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Black Seed Oil Review

Black Cumin Seed Oil Review 2025

Find the best black seed oil supplements based on our tests and comparisons. See which products passed or failed our tests, find out if contamination with lead, cadmium, arsenic, or mercury is a problem, and see our Top Picks based on quality, and cost.

Black Seed Oil Review Review

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News Release

May 13, 2026

Best Hemp Seeds? Some Contain Mold, ConsumerLab Tests Reveal

White Plains, NY, May 13, 2026 — Hulled hemp seeds, or "hemp hearts" can be a good source of protein, polyunsaturated fats, magnesium, and other important nutrients, but new tests by ConsumerLab reveal that some hemp seeds are contaminated with mold.

Clinical Update

10/13/2023

Black Seed Oil for Knees?

Does black seed oil, taken orally or topically, reduce the pain of knee osteoarthritis? Find out what a recent study showed in our article about black seed oil.

Clinical Update

10/24/2023

Black Seed Oil & Bleeding

Is it safe to take black seed oil along with blood thinning medications such as aspirin? Find out what research suggests in the Safety section of our article about black seed oil.

Clinical Update

10/15/2019

Black Seed Oil Concern

A key compound in black seed oil may interact with medications, causing side effects. For details, see the Safety section of our answer to a question about black seed oil.

Clinical Update

5/12/2021

Black Seed Oil for Blood Sugar Control?

Find out if black seed oil improved blood sugar control in people with prediabetes in our updated answer to the question: What are the health benefits of black cumin seed (black seed) oil?

CL Answer

Do hair loss supplements, such as Viviscal, Hair La Vie, and Nutrafol, or topical essential oils work?

Vitamins and supplements that may help with hair loss and thinning, including saw palmetto, beta-sitosterol, protein, iron, and vitamin D.

Supplements for Hair Loss -- woman looking at hairbrush

Clinical Update

10/07/2022

Black Seed for Gastric Ulcers?

Can taking black seed or black seed oil help prevent or treat gastric ulcers? Find out what research suggests in our updated CL Answer: What are the health benefits of black cumin seed (black seed) oil?

Clinical Update

10/25/2022

Black Seed for Thyroid Disease?

A CL Member commented that they take black seed oil for Hashimoto’s disease, which affects the thyroid. Is there evidence for this approach? Find out in our article about black seed oil.

Also, see our CL Answer about supplements for thyroid function.

Product Review

Black Currant, Borage, Evening Primrose, Flax and Hemp Seed Oil Review

Choose the Best Flaxseed and Other Oils Based on Our Tests.

Omega 3 and 6 Seed Oil Review 2025

CL Answer

Which supplements help with arthritis?

Learn more about supplements for joint health, including products such as Wobenzym and Zyflamend and ingredients such as collagen, curcumin, devil's claw, glucosamine and chondroitin, hyaluronic acid, magnesium, omega-3 fatty acids, palmitoylethanolamide (PEA), SAMe, and others.

Supplements for Osteoarthritis and Rheumatoid Arthritis -- Women With Arthritic Hands

Clinical Update

11/18/2021

Black Seed for COVID?

Can supplementing with black seed help improve symptoms or prevent severe disease among people with COVID-19? Find out what research suggests in our answer to the question: What are the health benefits of black cumin seed (black seed) oil?

Clinical Update

1/13/2023

Blackseed Oil for Hair?

Can supplementing with black seed oil, or applying it to the scalp, increase hair thickness and slow shedding of hair? Find out in our updated article about supplements for hair.

Product Review

Menopause Supplements Review (Soy and Red Clover Isoflavones, Black Cohosh) and Progesterone Creams

Choose the Best Menopause Supplement. Find Out Now Which Soy Isoflavone, Red Clover, Black Cohosh, and Progesterone Products Have the Active Compounds You Want!

Menopause Supplements Tested by ConsumerLab.com -- Soy and Red Clover Isoflavones, Black Cohosh, and Progesterone Cream

Product Review

Chia Seed Review — Whole, Ground, and Sprouted Seed, Seed Flour, & Supplements

Find the Best Chia Seeds, Sprouted Chia Powder, Flour, and Chia Supplements. Tests and Reviews of Chia Seeds & CL's Top Picks.

Chia supplements reviewed by ConsumerLab.com

Product Review

Sunflower Seeds and Butters Review

High Levels of Toxin Found in Most Sunflower Seeds and Butters

Sunflower Seeds & Butters 2024

Product Review

African Mango (Seed Extract) Supplements for Weight Loss Review Article

Do African Mango Supplements Really Work For Weight Loss? Learn More About Choosing the Best African Mango Supplement: Evidence, Safety, Side Effects & More.

African Mango Seed Extract

Product Review

Prostate Supplements Review (Saw Palmetto and Beta-Sitosterol)

Find the Best Prostate Supplement for Symptoms of BPH. See Which Prostate Supplement Passed or Failed CL's Tests of Quality.

Product Review

Pumpkin Seeds (Pepitas) Review

We Identified the Best Pumpkin Seeds

Pumpkin Seeds Review 2024 (2)

CL Answer

I'm a vegan but my doctor wants me to take fish oil with EPA and DHA. Is there something I can take that would be as good as fish oil capsules but would satisfy the needs of a vegan?

Find out which vegan-friendly fatty acid supplements contain EPA and DHA and how they compare to fish oil.

Vegan Friendly EPA and DHA Supplements -- Fish Oil Pills

Product Review

Whole, Ground, Milled, and Cracker Flaxseed Review

High Levels of Cadmium Found in Flaxseed Products — Testing Expanded

CL Answer

Which supplements and foods can help lower or control blood sugar?

Find out which supplements can help lower or control blood sugar. Supplements including turmeric/curcumin, fiber, cinnamon, and ginseng are believed to help lower blood sugar.

Blood Sugar Control -- blood test and blood sugar chart

Product Review

Hemp Seed Review

We Found That 33% of Products Were Spoiled

Hemp Seed Review 2026

Product Review

Lavender and Tea Tree Essential Oils Review

Oils Tested for Authenticity and Purity

CL Answer

Does tea tree oil work for getting rid of athlete's foot?

Learn more about tea tree oil and its effects on foot fungus (known as athlete’s foot, tinea pedis, or “ringworm” due to the lesion that can occur) and how it can be as effective as some, but not all, over-the-counter antifungal treatments. ConsumerLab explains.

Tea Tree Oil for Athlete's Foot? -- Bottle of Tea Tree Oil

Product Review

CLA (Conjugated Linoleic Acid) Supplements Review (for Slimming)

Choose the Best CLA Supplement. Not All CLA Supplements Contain What You Expect.

CLA Supplements Reviewed by ConsumerLab.com

Product Review

Milk Thistle Supplements Review

3,700% Difference Found Among Milk Thistle Supplements. Find the Best Milk Thistle Based on Our Tests and See Our Top Picks.

Milk Thistle Review 2025

Product Review

Turmeric and Curcumin Supplements and Spices Review

See Our Top Picks Among Turmeric Products

Turmeric Review 2025

Product Review

Elderberry Supplements Review

Find the Best Elderberry Supplement. Tests and Reviews of Popular Elderberry Supplements & CL's Top Picks.

Elderberry Supplements Reviewed by ConsumerLab.com

Product Review

CoQ10 and Ubiquinol Supplements Review

Find the Best CoQ10 and Ubiquinol Supplements and Learn How They Differ

CoQ10 2024

CL Answer

Are supplements which claim increased absorption or improved bioavailability telling the truth? Is it worth paying more for these? Are there concerns?

Learn more about bioavailability enhancers, including emulsifiers and enzyme inhibitors.

Enhancers in Supplements

Recalls & Warnings

April 17, 2020

Seller of Vitamin D, MSM, Selenium & More Warned for Drug Claims

On March 31, 2020, the FDA issued a warning letter to KetoKerri LLC following a review of the company's website, which found statements made about some of the company's products, including Dr.

CL Answer

Which vitamins and supplements are good for acne, and are there any that make it worse?

Information about supplements for acne and clearer skin. Plus, find out which vitamins and supplements can make acne worse.

Supplements for Acne and Clear Skin -- Woman taking fish oil supplement

Product Review

Olive Leaf Extract Supplements Review

Learn What Olive Leaf Does and the Best Brands

Product Review

CBD Oils, Softgels, Gummies, Creams & Salves Review

See How Much CBD and THC We Found in Products.

Product Review

Phosphatidylserine (PS) Supplements

Find out if phosphatidylserine helps with memory and which products are best.

Phosphatidylserine Review 2024

Product Review

Licorice and DGL Supplements, Candies, and Tea Review

What's In Your Licorice? Find Out and Avoid Problems.

Licorice & DGL Review 2025

CL Answer

With herbal supplements, what is the difference between root powder and root extract? Does it matter?

Learn more about the different forms of herbal supplements, including aloe, boswellia, ginkgo, green tea, and milk thistle.

Herbal Supplements

Product Review

Garlic Supplements Review

Find the Best Garlic Supplements. CL Tests Reveal Big Differences in Garlic Strength -- Some Have Little to No Garlic!.

Garlic Supplements Reviewed by ConsumerLab.com

Recalls & Warnings

January 12, 2021

FDA Warns Seller of Turmeric, Ashwagandha, Glucosamine, and More

On December 18, 2020, the FDA issued a warning letter to Reddy Naturals following a review of the company's website, which found statements made about the company's products Glycostasis, Glucosamine Curcumin, Turmeric 50, Turmeric Curcumin, Cetyl Curcumin, Ashwagandha, Huruli, ...

Product Review

Astaxanthin Supplements Review

See Which Astaxanthin Products Passed or Failed CL's Tests

Astaxanthin supplements reviewed by ConsumerLab.com

Product Review

Extra Virgin Olive Oil Review

Many Extra Virgin Olive Oils Don't Seem to Make the Grade

CL Answer

What is the best way to take curcumin? Is it better to take it all at once or in divided doses?

Find out the best way to take curcumin and turmeric supplements to increase absorption and bioavailability, plus the best way to cook with turmeric spice. ConsumerLab.com's answer explains.

Turmeric Review 2025

CL Answer

Which foods are a good source of B vitamins?

Find out which foods are a good source of B vitamins (like folate and B-12) and when you should take Vitamin B supplements.

Good Sources of B Vitamins -- selection of healthy foods including eggs, rice, nuts, seeds, salmon, chicken

Clinical Update

6/28/2024

Lead in Black (Cumin) Seed?

Does black seed (black cumin) contain lead? Find out what’s known about this in the Safety section of our article about black (cumin) seed oil.

Clinical Update

8/04/2023

Black Currant or Caffeine for Hair?

Does black currant seed oil, or its constituent gamma-linolenic acid (GLA), increase hair growth? Find out what research suggests in the GLA section of our ALA and GLA Supplements Review, which includes our Top Pick for black currant seed oil.

Also find out if applying caffeine to the scalp increases hair growth and reduces shedding in our article about supplements and topicals for hair.

CL Answer

Is it better to take fish oil, flaxseed oil -- or both?

Fish oil and flaxseed oil -- how they are different, what they are used for, if and how they can help with arthritis, depression, lowering cholesterol & more.

Flaxseed Oil vs Fish Oil -- Omega-3 Supplements

CL Answer

Black Pepper Extract & Turmeric: Is black pepper extract necessary for turmeric to be effective, and is it safe?

Find out the best way to take turmeric and curcumin supplements to increase absorption and bioavailability. ConsumerLab.com's answer explains.

Is Turmeric Only Effective with Black Pepper? -- Turmeric Supplement and Black Pepper

CL Answer

10 Supplements That May Help Reduce Nighttime Urination (And 5 That May Not)

Waking up more than once during the night to use the bathroom? Learn more about the 9 supplements that may help and 5 others that don't.

A toilet in an empty bathroom at night

CL Answer

Can hemp oil or CBD (cannabidiol) supplements cause me to fail a marijuana drug test?

Find out if you can fail a drug test dues to hemp oil or CBD (cannabidiol) supplements. Plus info on how much THC is in hemp oil and CBD products. ConsumerLab.com's answer explains.

CBD Oil Causes a Failed Drug Test? -- urine sample for drug test

Product Review

Fruits, Veggies, and Other Greens Supplements Review (Including Spirulina and Chlorella)

Avoid Lead in Greens, Problems with Pills, and Don't Give Up Eating Whole Foods.

Greens Review Oct 2023

Product Review

Lion's Mane and Chaga Supplements Review

Read Labels Carefully -- Many Can Mislead

Lion's Mane and Chaga Supplements tested by ConsumerLab.com

Product Review

Rice Review (White, Brown, Black, Wild, and Combination)

Discover Arsenic Levels in Rice and Our Top Picks.

Rice Review 2025

Clinical Update

8/04/2013

Supplement Helps Dry Eye

A supplement containing omega-6 (from black currant seed oil) and omega-3 fatty acids (from fish oil) was recently shown to improve symptoms of dry eye. Get the details about this formula (plus our test results of other omega-3 and -6 fatty acids supplements) in the updated Black Currant, Borage, Evening Primrose, and Flaxseed Oils Review >>

Product Review

Baobab Dried Fruit Pulp Review Article

What Are the Benefits of Baobab Dried Fruit Pulp? Find Out What's In Baobab Super Fruit Products, Safety, Side Effects & More.

Baobab Dried Fruit Pulp Reviewed by ConsumerLab.com

Clinical Update

8/22/2014

Flaxseed Lowers Blood Pressure

Consuming milled flaxseed significantly lowered blood pressure in people with peripheral arterial disease, according to a recent clinical trial. Additional analysis of those results suggests the alpha-linolenic acid (ALA) -- an omega-3 fatty acid -- in flaxseed may be responsible for the effect. Get the details, including the amount of flaxseed used, plus our tests of flaxseed, evening primrose, borage, and other seed oils containing ALA and GLA, in the updated Flaxseed Oil, Evening Primrose Oil, Borage Oil, and Black Currant Oil Supplements Review >>   

Product Review

Vitamin E Supplements Review

Find the Best Vitamin E Supplement. Tests and Reviews of Popular Vitamin E Supplements & CL's Top Picks.

Vitamin E Supplements, Cream, and Oil Tested by ConsumerLab.com

CL Answer

Could taking vitamin C (500 mg), CoQ10, grape seed extract, fish oil, vitamin D3/calcium/magnesium/zinc interfere with taking beta-sitosterol with dinner?

Learn about drug interactions & proper dosages for supplements such as CoQ10, vitamin D & C, fish oil, magnesium, zinc and grape seed extract.

Doctor Holding Handful of Fish Oil

Recalls & Warnings

February 24, 2022

Seller of Essential Oils Warned for COVID-19 Claims

On February 22, 2022, the FDA issued a warning letter to My Natural Treatment following a review of the company’s website and Facebook page, which found statements about the company’s thyme, black seed, eucalyptus, rosemary, and peppermint oil products to be drug claims.

Product Review

Fish Oil, Krill Oil, and Algal Oil Omega-3 (DHA & EPA) Supplements Review

See Our Omega-3 Top Picks and Avoid Rancid Fish Oils.

Fish Oil and Other Marine Oil Supplements Reviewed by ConsumerLab.com

Product Review

Weight Loss Supplements Review (7-Keto DHEA, Forskolin and Stimulant Blend Supplements)

Choose the Best Weight Loss Supplement. Be Careful With Weight Loss Supplements — Few Pass Quality Testing and Safety Review.

Weight Loss Supplements Tested by ConsumerLab.com

CL Answer

Can zuPOO and its primary ingredient, cascara sagrada, cleanse the gut, improve digestion and help with weight management?

zuPOO is marketed for gut support and as a colon cleanser for weight management. Find out if research supports these claims and if ingredients in zuPOO are safe.

zuPOO supplement bottle with white background

Product Review

Green Coffee Bean Extract Supplements Review (for Weight Loss)

Choose the Best Green Coffee Bean Extract. 50% of Green Coffee Bean Extract Supplements Don't Deliver Expected Ingredients.

Green Coffee Bean Extract Supplements Reviewed by ConsumerLab.com

Product Review

Nutrition Bars Review (Protein, Energy, and Nut & Fruit Bars)

Our Tests Showed What's Hiding in Protein Bars

Nutrition Bars 2025 2

CL Answer

What are the benefits of grape seed extract?

Learn about the health benefits of grape seed extract, and find out it improves venous insufficiency, leg swelling, swelling after surgery, or can help to lower blood pressure.

Benefits of Grape Seed Extract -- grapes and seeds

CL Answer

Are there supplements that can reduce prostate size?

How to reduce prostate size using supplements for benign prostatic hyperplasia (BPH), including beta-sitosterol and saw palmetto.

Sign Saying BPH with Tablets on Blue Background

CL Answer

Can turmeric or curcumin with black pepper extract cause constipation? I had this problem, but it resolved when I switched to a curcumin supplement without piperine (black pepper extract).

Learn more about black pepper extract, why it is added to turmeric/curcumin supplements, and if it can cause gastrointestinal effects.

Turmeric or Curcumin

CL Answer

Can castor oil eye drops improve or dissolve cataracts? Is castor oil or tea tree oil helpful for other eye conditions such as blepharitis or dry eye?

Can castor oil eye drops help cataracts or for other conditions such as blepharitis? Find out if castor oil eye drops are safe to use, and if they help for other conditions. ConsumerLab.com's answer explains.

Castor Oil for Cataracts? -- bottle of castor oil and dropper

CL Answer

How does turmeric spice compare to curcumin (turmeric extract) in supplements? I sprinkle it on my foods and wonder if that's equivalent to taking a supplement.

What is the difference between turmeric spices used in the kitchen and turmeric supplements? Is sprinkling turmeric on my food equivalent to taking a turmeric supplement? ConsumerLab's answer explores this question.

Turmeric Spice vs. Turmeric Supplements

CL Answer

Does AZO Bladder Control really work for overactive bladder?

AZO Bladder Control information, including results from clinical studies on bladder control, dosage, and safety.

AZO

CL Answer

Which supplements and foods help with gout and which may worsen it?

Find out about the effects on uric acid levels and gout of fish and fish oil, coffee, beer, animal meat, milk proteins, vegetable proteins, fructose, lemon juice, tart cherry juice, vitamin A, vitamin C, and niacin

Woman with gout pain rubbing her foot near the big toe

CL Answer

How do the Beyond Burger, the Impossible Burger, and a beef burger compare in terms of vitamins and minerals, and which is best?

Read our comparison of the Beyond Burger and the Impossible Burger, plant-based, meat alternative burgers. Compare nutrition, vitamins and minerals. ConsumerLab.com's answer explains.

Beyond Burger vs. Impossible Burger: Nutrition, Vitamins & Minerals -- cooked plant-based burger on bun

CL Answer

Supplements for Eczema: Some May Help, While Others Don’t

Certain supplements may reduce symptoms of atopic dermatitis (the most common form of eczema), while others don't seem to work. Find out if gamma-linolenic acid, L-histidine, phytoceramides, probiotics, and other supplements may be beneficial.

Young woman with eczema scratching her skin on the inner side of her elbow

CL Answer

I've heard that grapefruit juice can interact with medications because it inhibits an enzyme that breaks down drugs in the body. Do any supplements interact the same way with drugs?

CYP3A4 inhibitors, such as grapefruit, can interact with certain medications by inhibiting the liver enzyme that metabolizes many drugs. ConsumerLab.com's answer explains.

Grapefruit Juice, CYP3A4 and Supplement Interactions -- glass of grapefruit juice and grapefruit halves

CL Answer

Is it true that eating Brazil nuts can help with weight loss? Are there other health benefits or risks of Brazil nuts

Learn more about vitamin E intake from nuts, including Brazil nuts, hazelnuts, and almonds.

CL Answer

I have low blood pressure. Are there any supplements I should avoid?

Find out which supplements can cause decreases in blood pressure, including melatonin, arginine, magnesium, and calcium.

Man taking blood pressure

CL Answer

After taking a curcumin supplement, I started getting chronic diarrhea which went away when I stopped taking it. Can curcumin supplements cause diarrhea?

Learn more about the side effects of curcumin supplements, including diarrhea and other gastrointestinal discomfort.

Turmeric and Diarrhea

CL Answer

What are the health benefits of grapefruit seed extract (GSE)? Is it safe?

Learn more about grapefruit seed extract health benefits, including its possible antifungal and antibacterial effects and its safety.

Grapefruit with Extract and Spoon

CL Answer

I've heard that soaking dried beans for 24 hours reduces the phytate level, allowing for greater access to nutrients. Is this true?

Does soaking dried beans in water help reduce phytate levels to help gain greater access to nutrients?

Soaking Beans to Remove Phytates -- white beans soaking in a bowl of water

CL Answer

What are the health benefits of coconut oil and medium chain triglycerides, such as those used in Bulletproof Coffee?

Learn the health benefits of coconut oil and medium chain triglycerides (MCTs), including evidence from Bulletproof Coffee, clinical studies on obesity, skin, and Alzheimer's disease.

Coconut Oil & MCTs -- Coconuts and coconut oil with coffee cup

CL Answer

10 Supplements That May Boost Testosterone (And 13 That May Not)

Many supplements promise to increase testestorone, boost libido, and increase muscle size, but, as ConsumerLab explains, the actual effectiveness of supplements is limited, and some supplements may actually reduce testosterone levels.

Chalkboard sign that says low testosterone sitting on a table in front of a book and supplements

CL Answer

Is canola oil good or bad for you? I heard it can be toxic.

Find out if canola oil is bad for you or good for you, and whether it helps heart health. Clinical evidence and how it compares to other oils.

Is canola oil good or bad? -- bottle of canola oil

CL Answer

Which supplements can help lower my triglycerides?

Find out whether fish oil supplements, or plant-based oil supplements, such as flaxseed oil and echium oil are best for lowering triglyceride levels. ConsumerLab.com's answer explains.

Supplements to Lower Triglyceride Levels -- fish oil capsules and stethoscope

CL Answer

Which supplements can help to lower blood pressure?

Supplements to lower blood pressure, including CoQ10, vitamin C, fish oil, and olive oil, are all explored to find out what works.

Supplements that can lower, or raise blood pressure -- blood pressure cuff and bottle of pills

CL Answer

Which supplements or foods can help lower cholesterol and keep my heart healthy? Are there any to avoid?

Information about heart health supplements & vitamins that help with cholesterol, including sterol esters, CoQ10, and vitamin D, and which may be bad for the heart, like calcium.

CL Answer

I've tried a number of fish oil supplements, all of which make me nauseous. What is the best non-fish alternative? I am primarily interested in getting EPA.

Learn how to reduce fish oil side effects such as nausea and upset stomach.

Disgusted Woman Holding Fish Oil

CL Answer

Can supplements, natural eye drops, or lifestyle modifications improve symptoms of dry eye?

Can supplements such as fish oil, flaxseed oil or curcumin (from turmeric) help treat dry eyes? Find out, including formulas and doses that have shown benefit. Also, learn if drinking more water or using eye drops containing castor oil, N-acetylcarnosine or aloe can help with dry eye.

Older man with dry eye rubbing his eyes while holding his glasses

CL Answer

What are the benefits of Daily Synbiotic by Seed Health? Does it do what it claims, and is it better than other probiotics and prebiotics?

Review of Daily Synbiotic by Seed, including information about the prebiotic and probiotic strains in the supplement, and whether there is evidence of benefit for the synbiotic.

Person pouring Daily Synbiotic capsules from container into other hand

CL Answer

All About Thyroid Supplements & Desiccated Thyroid Extract (Armour Thyroid)

Learn about supplement ingredients such as iodine, selenium, zinc, acetyl-l-carnitine, ashwagandha and guggul used for thyroid conditions and find out if they are beneficial. Also learn why ingredients such as alpha-lipoic acid, soy, resveratrol, quercetin may impair thyroid function.

Woman holding various vitamins and supplements in one hand and glass of water in the other

CL Answer

ConsumerLab’s Review of The 'Pause Nutrition Supplements by Dr. Mary Claire Haver – Are They Worth It?

Looking into The 'Pause Nutrition supplements by Dr. Mary Claire Haver? ConsumerLab examines the value of products like Omega-3 + Vitamin D3 & K2, Fiber GDX, Skin Boost Plus, and more. Find out if these supplements are worth the price and discover affordable alternatives.

The Pause

CL Answer

Which supplements and foods reduce or increase the risk of kidney stones?

Find out which supplements, foods and beverages may increase or decrease the risk of kidney stones, including information about potassium, calcium, choline, turmeric and curcumin, vitamin C, as well as foods and beverages such as green tea, lemon juice, orange juice, cranberry juice, chocolate and almonds.

Supplements for Kidney Stones

CL Answer

Which foods and supplements contain lead, cadmium, or arsenic?

Discover which foods and dietary supplements contain lead and other metals, the limits, who’s testing, and how to stay safe.

Lead in Supplements & Foods -- concerned woman looking at pill

CL Answer

Do any supplements help with COVID-19? Do supplements like vitamin D, zinc, vitamin C, or herbals work?

Find out if natural remedies & supplements for coronavirus such as zinc, vitamin C, garlic, or elderberry help to prevent or treat COVID-19.

Supplements for Coronavirus (COVID-19)? -- mask and pills

CL Answer

What are the possible health benefits of fenugreek, and is it safe?

Fenugreek is promoted for boosting testosterone, increasing breastmilk production, lowering blood sugar, improving symptoms of polycystic ovary syndrome (PCOS), and other conditions, but does it work? Find out.

Fenugreek seed powder and capsules containing fenugreek

CL Answer

I take warfarin (Coumadin), an anticoagulant drug. Are there supplements I should avoid, or be taking, due to this drug?

Find out which supplements should be avoided when taking blood thinners (anticoagulants) like warfarin (Coumadin), including vitamin K, St. John's wort, and curcumin.

Warfarin Supplement Interactions -- bottle of pink warfarin tablets

News Release

October 02, 2025

Best Turmeric and Curcumin Supplements and Spices, According to ConsumerLab Tests

White Plains, NY, October 2, 2025 – Recent ConsumerLab tests of popular turmeric and curcumin supplements showed products vary widely in amounts of curcuminoids (curcumin compounds) they contain, and some contain far less than one might expect from their labels.

Clinical Update

10/07/2024

Chia to Lower Triglycerides?

Did adding chia seeds to the diet lower triglyceride levels? And how did this compare to fish oil supplementation? See what a recent study found in our Chia Seeds Review, which includes our Top Picks for chia seeds.

Also see our Top Picks among fish oil supplements, including highly concentrated products.

News Release

February 26, 2025

ConsumerLab Survey Shows 21 Most Popular Vitamins and Supplements

White Plains, New York, February 26, 2025 — A recent survey of more than 8,400 people who regularly use dietary supplements shows that among the 212 most popular supplements, those that experienced the greatest absolute growth in popularity during 2024 were biotin (+9.

CL Answer

Conolidine: Evidence for Pain Relief, Safety, and CONOCB2™ Products Explained

Find out if conolidine, the main ingredient in CONOCB2 Blend, offers natural pain relief without the side effects of opioids. Also learn about the top conolidine products available today.

Three commercial products that contain conolidine

CL Answer

Does Rooibos Tea Have Health Benefits and Is It Safe?

Learn about the health benefits of rooibos tea, including red and green, unfermented rooibos tea, how is differs from black and green tea, safety, and potential drug interactions with rooibos tea.

Rooibos Tea

News Release

January 23, 2025

ConsumerLab Tests Identify Best Black Currant, Borage, Evening Primrose Flax and Hemp Oils

White Plains, NY, January 23, 2025 —  Black currant, borage, evening primrose, flax, and hemp oils contain omega-3, -6, and/or -9 fatty acids that, when replacing saturated fats in the diet, may help reduce cardiovascular risk.

CL Answer

I read that turmeric may be a GI irritant. I have GI problems and wonder if I should avoid turmeric and curcumin?

Find out if turmeric/curcumin supplements can cause gastrointestinal irritability.

Is turmeric a stomach irritant? -- Turmeric Supplement

News Release

January 09, 2025

Not All Black Seed Oil Supplements Contain What They Claim, According to ConsumerLab

White Plains, NY, January 9, 2025 —  Black seed oil and extract supplements are promoted for controlling blood pressure, cholesterol, blood sugar, and arthritis pain, and more.

Clinical Update

7/06/2022

Walnuts for Omega-3s?

Walnuts are often touted as a good source of the omega-3 fatty acid ALA, but can eating walnuts regularly increase blood levels of DHA and EPA (the omega-3s in fish oil)? Find out in the What It Is section of our Black Currant Oil, Borage Oil, Evening Primrose Oil, Flaxseed Oil, and Hemp Oil Supplements Review.

Clinical Update

5/10/2015

Flaxseed Oil for Improving Cholesterol?

A recently published study looked at the metabolic effects of taking daily flaxseed oil on middle-aged men. It found a possible benefit among those with higher triglyceride levels, but overall results were not impressive. More about the study, flaxseed oil, whole flaxseed, and our tests and comparisons of products, is found in the Flaxseed Oil, Evening Primrose Oil, Borage Oil, and Black Currant Oil Supplements Review >>

Clinical Update

11/14/2024

Hemp Seed Benefits?

What are hemp seeds and does eating them help with heart health, diabetes, or boosting testosterone? Find out in our article about the benefits, safety, and what to consider when picking a product.

Also see our test results for:

Clinical Update

8/19/2025

Plasticizers in Flaxseed Oil

Tests by an independent research group found phthalates (plasticizers that can cause hormone disruption) in several popular bottled flaxseed oils. Find out how these amounts compare to safety limits in the Quality Concerns section of our Black Currant, Borage, Evening Primrose, Flax and Hemp Oil Review, which includes our Top Pick for flaxseed oil.

CL Answer

Can heat and humidity destroy whey protein and other sports nutrition supplements (e.g., creatine, BCAAs, digestive enzymes) during shipping or while storing at home?

Find out if heat and humidity can degrade creatine, BCAAs, digestive enzymes, and other muscle enhancing supplements.

How Heat Effects Whey Protein and Creatine -- Scoop of Protein Powder

Clinical Update

5/05/2013

Omega-6 for Eczema?

Supplements with the omega-6 fatty acid GLA from evening primrose oil or borage oil have long been promoted to treat eczema. However, a recent review of data from 27 studies casts doubt on this use. Get more information about this, and about omega-3 and -6 fatty acids, in the updated Black Currant, Borage, Evening Primrose, and Flaxeed Oil Supplements Review >>

CL Answer

How significant are the risks to drinking tea from China from heavy metals?

Find out which types of tea from China pose the greatest risk of toxic heavy metal contamination, including green tea.

Heavy Metals in Tea From China -- pouring green tea into cup

Clinical Update

6/07/2014

Help for Acne from Omega-3 & -6 Oils

A small clinical study found daily supplementation with either omega-3 fatty acids or an omega-6 fatty acid from borage oil significantly reduced the number and severity of acne outbreaks. Get the details, including dosage, and our tests of supplements containing omega-3 and omega-6 fatty acids, in the Fish Oil and Omega-3 Fatty Acid Supplements Review >> and the Flaxseed Oil, Evening Primrose, Borage and Seed Oil Supplements Review >> 

CL Answer

Do Any Supplements Improve Dry Mouth (Xerostomia) or Make It Worse?

Find out if any supplements, topical formulations (patches, rinses, lozenges, toothpastes, sprays, gels or gums), or lifestyle modifications reduce dry mouths symptoms.

Older man drinking water for dry mouth

CL Answer

What is acrylamide? Is it true that coffee and cocoa contain this toxin?

Find out what acrylamide is, how much is found in coffee and cocoa, and how you can minimize your intake of acrylamide.

Acrylamide in Coffee, French Fries & Cookies

Clinical Update

11/06/2018

Flaxseed Oil for High Blood Pressure?

Does flaxseed oil (which is rich in the omega-3 fatty acid ALA) help lower blood pressure in people with high blood pressure? Learn what a recent study found in the What It Does section of the Flaxseed Oil Review. (Also see our Top Picks for flaxseed and other seed oils.)

Clinical Update

1/08/2026

Flaxseed Oil to Boost Omega-3s?

Taking flaxseed oil can boost EPA and DHA levels for some people more than others, according to a new study. Get the details in our Flaxseed and Other Seed Oils Review, which includes our Top Picks.

CL Answer

What are the best bug sprays to prevent tick and mosquito bites? Is the insecticide permethrin safe to use?

Find out how permethrin sprays differ and which can be used on sheets and sleeping bags versus clothing

Variety of insect repellents on store shelf

News Release

December 05, 2024

Some Oats Surprisingly High in Gluten, According to ConsumerLab Tests

White Plains, NY, December 5, 2024 —  Oats are a healthy source of fiber and naturally gluten-free. However, it’s not uncommon for oats to become contaminated with gluten during processing, which can cause problems for people with celiac disease and others who follow a gluten-free diet.

News Release

August 19, 2024

High Levels of Toxin Found In Most Sunflower Seeds & Butters

White Plains, NY, August 19, 2024 —  Sunflower seeds are rich in healthy, unsaturated oils and provide significant amounts of protein, fiber, and vitamins and minerals, but ConsumerLab's recent tests found high levels of cadmium, a toxic heavy metal, in most of the sunflower seeds and sunflower ...

CL Answer

Are there supplements I should take, or take differently, when intermittent fasting?

Supplements that may help when intermittent fasting. Information about whey protein, CoQ10, magnesium and others, plus coffee, fiber and more.

CL Answer

Do any supplements reduce the side effects of chemotherapy? Should any be avoided?

Find out if there are any supplements that can help with the side effects of chemotherapy, such as nausea, vomiting, diarrhea, nerve damage and others. ConsumerLab.com's answer explains.

Supplements & Chemotherapy Side Effects -- chemotherapy medicine and capsules

CL Answer

Should I be concerned about phytic acid in oat cereals? I've heard that it can be harmful, but also that it can have health benefits.

Get information on phytic acid levels found in oats and oat cereals.

Phytic Acid in Oat Cereal -- bowl of oatmeal

CL Answer

What supplements should I stop taking before surgery?

Info on which supplements to avoid before surgery due to increased risk of bleeding or interference with anesthesia.

Supplements to stop before surgery - operating room

Clinical Update

1/19/2019

Is Omega-6 a Problem?

Do omega-6 fatty acids like LA and GLA, found in many seed oils, promote inflammation in the body? No, and yes, according to the latest findings. Get the details in the Is Omega-6 a Problem? section of our Omega-3 and -6 Fatty Acid Supplements Review.

Clinical Update

8/26/2022

Hair Growth Compared

We received and answered the following questions this week:

CL Answer

Do vitamins, minerals or other supplements lose effectiveness with exposure to high temperatures?

Are vitamins and supplements susceptible to heat? Find out if mail ordering during the summer is safe.

Heat's Effect on Supplements in the Mail -- Woman receiving a package

CL Answer

Estrogen Creams for Wrinkles?

Find out if estrogen creams can help reduce wrinkles, whether they are safe, and how "prescription" estriol and estradiol creams and gels differ from those sold over-the-counter.

Older woman applying estriol cream for wrinkles

News Release

June 29, 2023

ConsumerLab Tests Reveal the Best Turmeric and Curcumin Supplements & Spices

White Plains, New York, June 29, 2023 —  Turmeric and curcumin (a key compound in turmeric) are promoted for uses including osteoarthritis, seasonal allergies, and ulcerative colitis, as well as improving cognition and reducing symptoms of depression.

CL Answer

Do any supplements help with gum disease or periodontitis?

Supplements for healthy gums may help with gum disease or periodontitis. Learn more about omega fatty acids, lycopene, and probiotics.

Smiling Woman Taking White Supplement with Glass of Water

CL Answer

Are there supplements I should avoid when taking apixaban (Eliquis) or similar blood thinner drugs like Xarelto?

Learn about supplement interactions with apixaban (Eliquis), rivaroxaban (Xarelto) and other blood thinner drugs in the direct factor Xa inhibitors class.

Eliquis Supplement Interactions -- box of Eliquis

CL Answer

I have been having dizziness for the past few months and am wondering if it could be a side effect of supplements I take. Which supplements cause dizziness?

Find out which supplements that may cause dizziness, vertigo, or imbalance, including garlic, melatonin, saw palmetto, and red yeast rice.

Young Woman Helping Elderly Woman Remain Upright

CL Answer

Which supplements can help treat anemia? Do any supplements cause a low red blood cell count?

Find out which vitamin and nutrient supplements can help prevent and treat anemia in people who are nutrient deficient and learn which supplements may cause low blood cell counts, especially when used in excess.

Woman holding various vitamins and supplements in her hands

CL Answer

Can any supplements reverse gray hair?

Nearly 75% of adults aged 45 to 65 are affected by gray hair. Learn about what causes gray hair and find out if any supplements can help.

A young woman shows gray hair on her head on a white background

CL Answer

Should I be concerned about pyrrolizidine alkaloids in herbal supplements?

Find out which herbal supplement ingredients contain pyrrolizidine alkaloids (PAs), learn why these constituents are a safety concern, and find out how supplements containing these ingredients are regulated in the U.S. and Europe.

Herbal capsules being poured out of supplement container onto table

Clinical Update

2/11/2022

Black Garlic for Lowering Cholesterol?

Did aged black garlic extract help lower high cholesterol in a recent study? Find out in our Black Garlic section of our Garlic Supplements Review.

Also see our answer to the question: Which supplements or foods help lower cholesterol and keep my heart healthy?

Clinical Update

11/28/2013

Lower Vitamin D in Blacks May Be Sufficient

The traditional method of assessing vitamin D levels may not be appropriate for most black people, according to a new study. Due to a genetic variant, this approach classifies many black individuals as "deficient" in vitamin D although their levels may be adequate. For details see the update to the  Vitamin D Supplements Review >> 

Clinical Update

12/19/2024

Hemp Seed Warnings?

Hemp seed products may include warnings about contaminants. Find out why in our article about hemp seeds. (We’ll be testing hemp seeds in 2025.)

Product Update

1/26/2026

Chia Seed Recall

A popular chia seed product is being recalled due to possible Salmonella contamination. For details, see our Chia Seed Review.

Clinical Update

10/27/2023

Black Currant & Cholesterol

Did supplementing with black currant extract reduce cholesterol levels among women in menopause? Find out what a recent study showed in our article about supplements for heart health.

Clinical Update

3/26/2024

Black Cohosh Concern

Use of black cohosh (taken to reduce menopausal hot flashes) may have caused slowed heart rate, according to a recent report. Get the details in our Menopause Supplements Review.

Clinical Update

7/18/2024

Black Currant for Osteoporosis Prevention?

Does supplementing with black currant fruit extract improve bone mineral density in peri- and postmenopausal women? Find out what a recent study showed in our article about supplements and diets for osteoporosis.

Clinical Update

9/02/2022

Black Tea for Heart Health?

Drinking green tea has been linked with reduced risk of death due to heart disease, but how about black tea? See what a recent study found in the Cardiovascular Disease section of our Green Tea Supplements and Drinks Review.

Clinical Update

11/14/2017

How Much Tea Is Safe?

Green and black teas contain fluoride, which helps build teeth and bones, but excessive intake of teas can cause teeth and bones to become brittle ("fluorosis"). How many cups of tea are safe? Find out now based on recent tests of fluoride in green, black, and herbal teas in the "Concerns and Cautions" section of the Green Tea Review >>

Clinical Update

10/05/2014

Black Cohosh Improves Menopause Symptoms and Decreases Fibroid Size

A popular black cohosh supplement significantly improved symptoms of menopause and decreased the size of fibroids, according to a new clinical study. Among women who, instead, took a hormone replacement drug, menopausal symptoms also improved, but the size of fibroids slightly increased. Get the details, including the brand and dose, in the update to the Menopause Supplements Review >> 

Clinical Update

4/10/2025

Black Sugar

What is black sugar, and is it healthier than regular table sugar? Find out in our article about sugar substitutes, which includes our Top Picks for use in hot drinks, cold drinks, for baking, and along with keto diets.

Clinical Update

5/04/2021

Grape Seed Extract for Blood Pressure?

Can grape seed extract lower blood pressure? See what a new study found in our article about the Health Benefits of Grape Seed Extract.

Clinical Update

8/31/2021

Chia Seeds and Estrogen

Do chia seeds contain plant estrogens and, if so, should I be concerned as I have a family history of breast cancer? See the answer in the Concerns and Cautions section of our Chia Seeds Review.

Clinical Update

3/31/2020

Chia for Obesity?

Chia seeds are highly nutritious and rich in fiber, but can they help with weight management? Find out what studies are showing, including a recent clinical trial among obese children, in the What It Does section of the Chia Seed Review. Also see our Top Picks for chia seed products.

Clinical Update

4/25/2023

Nighttime Urination: Pumpkin Seed?

Can supplementing with pumpkin seed reduce the need to urinate at night among people with BPH (benign prostatic hyperplasia) or OAB (overactive bladder)? Get the details in the Pumpkin Seed section of our article about BPH. Also learn about other approaches in our article about supplements for nighttime urination.

Clinical Update

6/13/2023

Grape Seed Extract & Cognition

Does grape seed extract improve cognition in older people with mild cognitive impairment, or in healthy young people? Find out in the Cognitive function section of our article about Grape Seed Extract. Also discussed is a misrepresented study of the ingredient Cognigrape.

Also see: Do any supplements, foods or lifestyle modifications help with brain function, like memory and cognition?

Clinical Update

12/04/2024

Hemp Seed Benefits?

What are the benefits of eating hemp seeds? Find out in our article about whole and hulled hemp seeds.

Clinical Update

6/29/2021

Chia Risk

Don't overdo it with chia seeds, as they contain compounds that, in excess, can increase the risk of kidney stones and kidney injury. Get the details in the Concerns and Cautions section of our Chia Seeds Review. Also, see our Top Picks among chia products.

Clinical Update

10/17/2023

Grape Seed Extract and Iron

Be aware that grape seed extract may affect iron levels in the body. For details, see our Iron Supplements Review, which includes our Top Picks for iron.

Also see: Which supplements can help treat anemia? Do any supplements cause a low red blood cell count?

Clinical Update

2/06/2024

Need to Soak Nuts or Seeds?

Do nuts and seeds need to be soaked or roasted to reduce levels of phytates or lectins? Find out in our article about these antinutrient compounds.

Clinical Update

8/08/2024

Apricot Seeds for Cancer?

A CL Member stated they have a friend who has been eating apricot seeds after being diagnosed with colon cancer and asked if this could be harmful. Find out in our article about supplements and chemotherapy.

Clinical Update

1/06/2025

Heavy Metals in Hemp Seeds?

Testing of Manitoba Harvest Organic Hemp Hearts by a separate group identified levels of cadmium and arsenic it considered unsafe for children. See our take on these results in our article about hemp seeds.

Product Update

12/08/2025

Heavy Metals in Nut Butters

Alarmingly high levels of the toxin cadmium are in some sunflower seed butters. Do peanut butters have the same problem? Find out in our Sunflower Seeds and Butters Review, which includes our Top Picks.

Clinical Update

1/15/2026

Seed Synbiotic for Bloating?

Did taking Seed synbiotic improve bloating and abdominal discomfort in a recent study? Find out in our Probiotic Supplements Review, which includes our Top Picks among probiotics.

Recalls & Warnings

May 16, 2024

Great Value Chia Seeds Recalled Due to Salmonella Risk

On May 10, 2024, Natural Sourcing International issued a recall of one lot of Great Value Organic Black Chia Seeds 32 oz. (sold at Walmart) due to the potential presence of Salmonella.

News Release

March 28, 2023

Expanded Flaxseed Testing by ConsumerLab Reveals More Cadmium Contamination – Several Quality Products Also Identified

White Plains, New York, March 28, 2023 — Due to concerning levels of cadmium ConsumerLab discovered in its tests of flaxseed products in January 2023, ConsumerLab recently purchased and tested seven additional whole and ground flaxseed products.

Clinical Update

5/29/2020

Probiotic to Reduce Tooth Staining

A probiotic was tested to see if it could reduce the occurrence of black stains (a type of dental plaque) on teeth. Find out if it worked in the What It Does section of the Probiotic Supplements Review. Also see our Top Picks among probiotics.

Clinical Update

8/14/2020

Milk Thistle for Menopause?

Can taking milk thistle relieve hot flashes during menopause? Learn what a new study showed in the What It Does section of the Milk Thistle Supplements Review. Also see our Top Pick among milk thistle supplements. (Also see our Menopause Supplements Review for information and reviews of products containing soy and red clover isoflavones, black cohosh, or progesterone cream.)

Clinical Update

6/25/2016

Which Menopause Supplements Really Work?

Certain supplements may be better than others for hot flashes, vaginal dryness or night sweats according to a recent analysis of clinical studies. Get the details for soy, red clover and black cohosh in the "What It Does" section of the Menopause Supplements Review >>

Clinical Update

2/04/2017

Caution: Turmeric Drug Interaction

It was recently reported that a man consuming large daily amounts of turmeric experienced kidney toxicity, likely due to an interaction between turmeric and the drug he was taking. Get more details about this and other drug interactions with turmeric, curcumin, and piperine (a black pepper extract often added to curcumin supplements) in the "Concerns and Cautions" section of the Turmeric/Curcumin Supplements Review (which includes our tests of products) >>

Clinical Update

1/27/2024

Licorice & Blood Pressure

Eating black licorice, or drinking tea that contains it, can increase blood pressure and cause heart issues. Get the latest details in our article about licorice.

Clinical Update

2/01/2022

Accuracy of Pulse Oximeters

Find out how pulse oximeter readings may differ if a person is white, Black, or of Asian descent. Also see our Top Pick among home pulse oximeters.

Clinical Update

10/21/2022

D-mannose for Gray Hair?

In response to our article Can any supplements reverse gray hair?, a CL member commented that their white hair began growing black roots after taking D-Mannose. Is there evidence that D-Mannose can affect hair color? See our response.

Clinical Update

10/14/2024

Rooibos Tea?

What are the potential health benefits of rooibos tea, how does it compare to black and green tea, and is it safe? Find out in our article about rooibos tea.

Clinical Update

11/27/2024

Herb for Menopause?

Does the herb shatavari (commonly known as wild asparagus) alleviate menopause symptoms such as hot flashes and night sweats? Find out what a recent study showed in our Menopause Supplement Review, which also discusses the effects of soy, red clover, kudzu, black cohosh, ipriflavone, Siberian rhubarb, and progesterone cream.

Clinical Update

10/27/2025

Turmeric Linked to Liver Injury

A man developed liver injury six weeks after starting a turmeric supplement with black pepper extract. Learn what happened in our Turmeric and Curcumin Review, which includes our Top Picks for turmeric and curcumin supplements and spices.

Product Update

11/20/2025

Estrogen Cream Warnings Removed

Many "black box" warnings for cancer and cardiovascular risk will be removed from estrogen creams. Find out why in our article about estrogen creams for wrinkles.

News Release

January 12, 2023

High Levels of Cadmium Found In Whole and Ground Flaxseed In ConsumerLab Tests

White Plains, New York, January 12, 2023 — Recent ConsumerLab tests revealed concerning levels of cadmium, a toxic heavy metal, in several popular flaxseed products which, otherwise, provided the listed amounts of healthy fats, fiber, and protein without microbial contamination.

Recalls & Warnings

May 09, 2024

Walnuts, Other Nuts, Pumpkin and Sunflower Seeds Recalled Due to Undeclared Allergens

On May 8, 2024, Texas Pecan recalled various lots of the company’s 1 lb. and 8 oz.

News Release

December 16, 2022

Is Your Chocolate or Cocoa Healthful or Toxic? ConsumerLab Finds Major Differences Among Products.

White Plains, New York, December 16, 2022 — Although dark chocolate and cocoa can be good sources of potentially heart-healthy, antioxidant flavanols, they can also be contaminated with toxic heavy metals such as cadmium and lead – and consumers can’t judge products from their labels.

Clinical Update

8/26/2024

Seed DS-01 Daily Synbiotic

A CL member informed us of a quality concern with this product. For details, see the Update in the Probiotics Review, which includes our Top Picks among probiotics.

Clinical Update

2/13/2025

Broccoli for Blood Sugar?

Did taking broccoli seed extract rich in sulforaphane lower blood sugar in people with prediabetes? See what a recent study found in our article about supplements for lowering blood sugar.

Clinical Update

8/15/2025

Moringa for Cancer?

Does moringa leaf or seed have anticancer effects? Find out in our article about moringa supplements, which includes more about its potential health benefits and tips on choosing a moringa supplement.

Product Update

8/29/2025

Company Responds to CL's Findings

The distributor of Seed DS-01 Daily Synbiotic responded to our findings for its product. See the Update to our Probiotics Review for details, including our take on this. Also see our Top Picks among probiotic supplements.

Recalls & Warnings

August 15, 2020

FTC Warns 20 More Companies for Coronavirus Claims

On August 14, 2020, the FTC announced that it sent warning letters to 20 companies for selling products such as vitamin C, hydrochloroquine, omega 3, and melatonin with unsupported claims that they can treat coronavirus (COVID-19).

News Release

February 24, 2022

Consumers Returned to Pre-Pandemic Supplement Usage in 2021, ConsumerLab Survey Reveals

White Plains, New York, February 24, 2022 —A survey of 8,049 people who use dietary supplements shows many supplements that declined in use in 2020 began bouncing back in 2021, such as magnesium (+2.4 percentage points), and CoQ10 (+2.7 pts).

Recalls & Warnings

April 07, 2025

Flaxseed Oil Recalled Due to Undeclared Allergen

On March 21, 2025, Bioriginal Food & Science Corporation recalled 61 bottles of Fresh Flax Oil OMEGA 3-6-9 Organic Flaxseed Oil 16 Fl oz because it contains undeclared soy lecithin.

News Release

February 26, 2021

COVID Changed Supplement Popularity in 2020, ConsumerLab Survey Reveals

White Plains, New York, February 26, 2021 — A survey of 9,647 people who use dietary supplements shows that the supplements which experienced the greatest growth in popularity in 2020 were those being promoted to prevent or treat infection with SARS-CoV-2, the coronavirus that causes COVID-19.

News Release

July 10, 2020

Best and Worst Tuna, Salmon and Sardines? ConsumerLab Tests Reveal Amounts of Omega-3s and Toxic Heavy Metals in Canned and Packaged Fish

White Plains, New York, July 10, 2020 — Canned and packaged tuna, salmon and sardines can be an excellent source of omega-3 fatty acids, but some may also be contaminated with toxic heavy metals such as mercury and arsenic.

News Release

March 12, 2020

ConsumerLab Tests Reveal Big Differences Among Elderberry Supplements

White Plains, New York, March 12, 2020 — Elderberry extracts have long been promoted for fighting colds and flu, and, more recently, as a natural remedy for coronavirus (COVID-19).

Recalls & Warnings

July 23, 2025

FDA Warns Seller of Allegro Eye Drops, Tea Tree Oil Eyelid Wipes, and More

On July 9, 2025, the FDA issued a Warning Letter to Scope Health Inc.

Recalls & Warnings

July 10, 2020

Sundial Herbal Recalls More Than Sixty Products Including Turmeric, Cinnamon & Tea

On July 9, 2020, Sundial Herbal Products issued a recall of more than 60 herbal products because they were misbranded and/ or promoted with drug claims. Their labels contain drug claims stating the products can diagnose, cure, mitigate, treat, or prevent disease.

News Release

March 03, 2020

Best and Worst Chia Seed Products Revealed by ConsumerLab

White Plains, New York, March 3, 2020 — Chia seeds are rich in fiber and a good source of healthful oils, particularly the omega-3 fatty acid ALA (alpha-linolenic acid), as well certain vitamins and minerals.

Recalls & Warnings

January 03, 2025

Essential Oil Sold on Amazon Recalled

On January 2, 2025, Euqee Wintergreen Essential Oils, sold on Amazon were recalled because the packaging is not child-resistant and may pose a risk of poisoning for young children.

News Release

November 27, 2017

Flaxseed and Other Popular Omega 3 & 6 Oil Supplements Tested, But Not All Brands Pass -- Tests of Black Currant Oil, Borage Oil, Evening Primrose Oil, Flaxseed Oil, and Hemp Oil Supplements

White Plains, New York, November 27, 2017 — Flaxseed oil and other popular seed oil are popular supplements that provide omega-3 and omega-6 fatty acids and may help with inflammatory conditions. But which seed oil supplements are the best? To find out, ConsumerLab.

News Release

December 21, 2016

Best CoQ10? ConsumerLab.com Tests Popular CoQ10 and Ubiquinol Supplements and Reveals Its Top Picks

White Plains, New York, December 21, 2016 — Although CoQ10 and ubiquinol are among the most popular supplements, wide variations in price, dosage, absorption and bioavailability can make choosing the right product a difficult task. To help, ConsumerLab.

Recalls & Warnings

May 11, 2026

Sunflower Seeds Recalled Due to Allergen Risk

On May 7, 2026, George J. Howe Co. recalled 13,619 pounds of sunflower seeds because the products may contain undeclared tree nuts, specifically cashews.

Recalls & Warnings

January 26, 2026

Navitas Organic Chia Seeds Recalled Due to Salmonella Risk

On January 23, 2026, Navitas Organics recalled select lots of its Organic Chia Seeds (8 oz) due to possible Salmonella contamination.

Recalls & Warnings

May 09, 2020

FTC Warns 45 More Companies for Coronavirus Claims

On May 7, 2020, the FTC announced that it sent warning letters to 45 companies for selling products such as herbal products, immune system boosters, and vitamin C with unsupported claims that they can treat coronavirus (COVID-19).

Recalls & Warnings

August 11, 2022

Problems With Supplements on Amazon

More than 50% of 30 top-listed immune support supplements purchased on Amazon.com in May of last year were found to list ingredients that could not be found in them with testing, according to a recent report (Crawford, JAMA Network Open, 2022).

News Release

July 31, 2015

ConsumerLab.com Tests Reveal What's Really in Menopause Supplements and Creams -- Soy Isoflavone, Red Clover, Black Cohosh, and Progesterone Products Reviewed

White Plains, New York, July 31, 2015 — Women looking for relief from hot flashes and other menopausal symptoms often turn to supplements containing estrogen-like isoflavones (from soy or red clover) black cohosh, or creams containing progesterone — but it may be difficult to choose the ...

News Release

May 07, 2014

Flaxseed and Other Popular Seed Oil Supplements Tested by ConsumerLab.com, But Not All Brands Pass -- Flaxseed, Black Currant, Borage and Evening Primrose Oils Reviewed

White Plains, New York, May 7, 2014 — Plant seed oils are popular supplements that provide omega-3 and omega-6 fatty acids, but which products offer the best value and quality? Recent analyses by ConsumerLab.

News Release

January 17, 2012

Do African mango supplements help with weight loss? ConsumerLab.com investigates the evidence

White Plains, New York — January 17, 2012 — African mango supplements are touted to help shed pounds, but do they really work? "Long-term weight loss with African mango has not been proven," said says Tod Cooperman, M.D., President of ConsumerLab.

Recalls & Warnings

May 09, 2025

Organic Traditions Pumpkin Seeds Recalled in U.S. and Canada

On May 8, 2025, Advantage Health Matters Inc. recalled packages of Organic Traditions Organic Jumbo Pumpkin Seeds in the U.S. and Canada because they have the potential to be contaminated with Salmonella.

Recalls & Warnings

August 12, 2024

FDA Warns "Apricot Power" Apricot Seeds Contain Toxic Compound

On May 24, 2024, the FDA warned consumers not to consume three Apricot Power bitter apricot seed products because they were found to contain the toxic compound amygdalin.

News Release

July 12, 2011

ConsumerLab.com tests menopause supplements and creams: Most are "Approved," but some found contaminated or lacking claimed amount of ingredient

White Plains, New York — July 12, 2011 — Women looking for relief from hot flashes and other menopausal symptoms often turn to supplements containing estrogen-like isoflavones (from soy or red clover), the herbal remedy black cohosh, or creams containing progesterone.

News Release

January 11, 2011

Spoilage and labeling errors found with some omega-3 and -6 supplements; Review of evening primrose, flaxseed, borage, and black currant oil supplements

WHITE PLAINS, NEW YORK — JANUARY 10, 2011 — A new report on the quality of omega-3 and -6 fatty acid supplements made from seed oils was released by ConsumerLab.com today. Only 11 of 17 products selected for testing met quality criteria for freshness and labeling.

News Release

January 20, 2010

ConsumerLab.com finds quality of most CLA supplements for slimming to be high; One brand mislabeled -- Report is first published in series on supplements for weight loss and slimming

ConsumerLab.com Finds Quality of Most CLA Supplements for Slimming to be High; One Brand Mislabeled

News Release

September 17, 2008

ConsumerLab.com's tests of menopause supplements reveal wide range in strength and quality; mislabeling and contamination discovered -- Soy and red clover isoflavones, black cohosh, and progesterone products tested

WHITE PLAINS, NY — September 17, 2008 — Risks associated with traditional hormone therapy for symptoms of menopause have increased public interest in alternative treatments, particularly dietary supplements. But a report today of recent tests by ConsumerLab.

Recalls & Warnings

July 18, 2017

FDA Warns Seller of "Quick Slim with pure Hoodia Gardonii" and "Diabalance Herbal Blood Sugar Balance"

On July 11, 2017, the FDA issued a warning letter to Black Seed Herb, Inc.

News Release

December 10, 2007

ConsumerLab.com finds improvement in quality of omega-3 and -6 supplements — Results for 22 products made from evening primrose, flaxseed, borage and black currant oils

WHITE PLAINS, NEW YORK — DECEMBER 10, 2007 — A new report on the quality of omega-3 and -6 fatty acid supplements made from seed oils was released by ConsumerLab.com today. Two products were slightly low in one fatty acid, but this is an improvement over results from ConsumerLab.

News Release

July 18, 2005

ConsumerLab.com tests menopause supplements — Alternatives to hormonal therapy — Report available for 38 products including soy and red clover isoflavones, black cohosh, and progesterone creams

WHITE PLAINS, NY — July 18, 2005 — ConsumerLab.com has released a new report on the quality of supplements used to treat symptoms of menopause, notably hot flashes.

News Release

July 12, 2005

ConsumerLab.com finds some supplements lower in omega-3 and omega-6 fatty acids than claimed — Report available for 23 products made from oils of black currant, borage, evening primrose and flax

WHITE PLAINS, NY — July 12, 2005 — ConsumerLab.com has released its latest report on the quality of supplements made from the seed oils of black currant, borage, evening primrose, and flax.

Recalls & Warnings

January 23, 2020

Flaxseed Salmonella Risk Prompts Recall

Update: (2/4/20) This recall has been expanded to include additional Nopalina flaxseed products, which are highlighted below.

Recalls & Warnings

December 07, 2023

Belmont Eyecare Warned for Colloidal Silver, MSM, and Castor Oil Eye Drop Claims

On December 1, 2023, the FDA issued a Warning Letter to Belmont Eyecare LLC, following a review of the company’s website, which found statements about the company’s Colloidal Silver Eye Drops, MSM Eye Drops, Organic Daytime Oil Eye Drops, Organic Daytime Oil Eye Drops Small, Organic ...

Recalls & Warnings

January 15, 2026

Modern Warrior Supplement for Mood, Memory, and Focus Recalled

On January 9, 2026, Modern Warrior recalled all lots of Modern Warrior Ready, a supplement promoted to improve mood, memory, and focus, because it contains undeclared tianeptine, 1,4-DMAA, and aniracetam.

News Release

June 15, 2005

Two magnesium supplements fail testing due to lead contamination. Nineteen others pass. Report now available.

WHITE PLAINS, NY — JUNE 15, 2005 — ConsumerLab.com has released its latest report on the quality of magnesium supplements sold in the U.S. In addition to being an essential mineral, magnesium may help prevent migraine headaches, menstrual pain, PMS, and leg cramps during pregnancy.

News Release

April 27, 2005

ConsumerLab.com finds quality of most nutrition powders and drinks high, but identifies five protein powders with excess sodium or cholesterol — Report Now Available Online

WHITE PLAINS, NY — APRIL 27, 2005 — ConsumerLab.com has released its latest report on the quality of nutrition powders, shakes and drinks. These products are used for general nutrition, dieting, and meal-replacement and are frequently used by athletes and bodybuilders.

News Release

March 30, 2005

ConsumerLab.com finds most B-vitamins of high quality but three lacking in ingredients — Test Results for 41 Products Reported Along with Information on Use

WHITE PLAINS, NY — MARCH 30, 2005 — ConsumerLab.com reported test results today for B vitamin supplements that it recently purchased in the U.S. and Canada.

Recalls & Warnings

May 29, 2025

Umary Joint Pain Supplements Recalled

On May 21, 2025, UMARY USA recalled all lots of Unavy Ácido HIALURÓNICO (30 caplets/850 mg) and Umovy Ácido HIALURÓNICO (30 caplets/850 mg).

Recalls & Warnings

July 06, 2022

Two Companies Banned From Selling Supplements to Treat Heart Disease, Neuropathy

On June 30, 2022, the Federal Trade Commission (FTC) finalized an administrative complaint order against two Texas-based companies, Health Research Laboratories, LLC and Whole Body Supplements, LLC, for making unverified claims that their products can prevent or treat disease.

Recalls & Warnings

September 21, 2023

Moor Herbs, Inc Warned for Manufacturing Violations, Drug Claims

On August 1, 2023, the FDA issued a Warning Letter to Moor Herbs, Inc.

Recalls & Warnings

October 03, 2024

High THC, Toxic Heavy Metals, and Psilocybin Found in Hemp Products

Over 80% of hemp-derived products purchased at various smoke shops, gas stations and specialty CBD vape shops in Delaware were found to contain higher levels of THC (tetrahydrocannabinol, a psychoactive compound) than expected or permitted by law, according to a secret shopper survey conducted by ...

Recalls & Warnings

February 13, 2019

Supplements Promoted for Alzheimer's Disease and Dementia Sell "False Hope," Warns FDA

On February 11, 2019, the FDA warned consumers to beware supplements promoted to prevent or treat Alzheimer's disease or dementia.

Recalls & Warnings

April 16, 2026

Lundberg Organic Jasmine White Rice Recalled

On April 4, 2026, Wegmans Food Markets announced a recall of Lundberg Organic Jasmine White Rice (2 lb) due to possible contamination with foreign material.

Recalls & Warnings

January 26, 2023

FDA Warns Seller of Canary Seed Omega-3

On November 16, 2022, the FDA issued a warning letter to Evimeria El Aztecano, Inc. following review of the company’s Yerbas Finas Leche de Alpiste con Guanabana y Omega-3 product labeling, which found the product contained less magnesium and potassium than claimed on the label.

Recalls & Warnings

September 14, 2023

Toxic Herb Found In Weight Supplements

On September 8, 2023, the FDA warned consumers that Nut Diet Max and Todorganic Natural Products brand supplements and seed products labeled as containing "Nuez de la India" (Aleurites moluccana) seeds actually contain yellow oleander (Thevetia ...

Recalls & Warnings

July 15, 2024

Hard Steel Supplements for Men Recalled

On July 12, 2024, Supercore Products Group issued a recall of Hard Steel Capsules and Gold Hard Steel Liquid which are used for male erectile dysfunction. The FDA analysis found the capsules to contain sildenafil and acetaminophen.

News Release

March 14, 2005

ConsumerLab.com reports on vitamin C supplements — Test Results for 29 Products Reported Along with Information on Use

WHITE PLAINS, NY — MARCH 14, 2005 — ConsumerLab.com reported test results today for a wide variety of vitamin C supplements purchased at retail. Vitamin C is the top-selling single vitamin in the U.S., with sales of $770 million in 2003 according to Nutrition Business Journal.

Recalls & Warnings

March 09, 2022

Court Bars Salud Natural From Selling Aloe, Joint Supplements & More

On March 8, 2022, a federal court ordered Salud Natural Entrepreneur, Inc. to stop distributing nutritional supplements that violate the Federal Food, Drug and Cosmetic Act (FDCA).

News Release

February 08, 2005

ConsumerLab.com reports on nutrition bars — Highlights major differences, inaccuracies, and urges consumers to "know your bar"

WHITE PLAINS, NY — February 8, 2005 — ConsumerLab.com reported test results today for 34 nutrition bars, including those designed for high protein, low-carb/diet, energy, or meal-replacement.

News Release

May 20, 2003

Consumers advised to read labels carefully when selecting herbal supplements for prostate — Saw palmetto product review published online today

WHITE PLAINS, NY — May 20, 2003 — ConsumerLab.com reported today that only two-thirds of the saw palmetto supplements it recently evaluated contained ingredients similar to those known to work in clinical studies.

News Release

August 07, 2002

ConsumerLab.com finds some spoilage and inaccuracy among omega-3 and 6 supplements — List released of evening primrose, flaxseed and other GLA/ALA products that passed testing

WHITE PLAINS, NY — August 7, 2002 — ConsumerLab.com, an independent evaluator of health and nutrition products, released results today of its Product Review of Black Currant, Borage, Evening Primrose, and Flaxseed Oils: Sources of ALA and GLA (Omega-3 and -6 Fatty Acids).

Recalls & Warnings

August 28, 2024

Now Foods Recalls Raw Brazil Nuts Due to Mold and Yeast

On August 14, 2024, NOW Foods issued a recall of its Now Foods Whole & Unsalted Raw Brazil Nuts because they were found to be contaminated with mold and yeast.

Recalls & Warnings

February 23, 2016

Flax Seed and Chia Powders Recalled

On February 20, 2016, HEALTH MATTERS AMERICA INC., issued a recall of specific lots of Organic Traditions Sprouted Flax Seed Powder and Organic Traditions Sprouted Chia & Flax Seed Powder because they have the potential to be contaminated with Salmonella.

Recalls & Warnings

August 07, 2021

Poppy Seed Tea, Unwashed Poppy Seeds Pose Risk of Overdose, Death

Unwashed poppy seeds can be contaminated with significant, even dangerous levels of opioid compounds that can cause serious adverse effects, overdose and death.

Recalls & Warnings

October 17, 2012

Herbal Supplement Company Warned For Manufacturing Violations and Drug Claims

On October 2, 2012, the FDA issued a warning letter to Amazing Herbs Nutraceuticals following a facility inspection which found violations of Current Good Manufacturing Practices (CGMPs) for dietary supplements.

Recalls & Warnings

December 15, 2020

FDA Warns Seller of Evening Primrose Oil and Beta Glucan

On December 2, 2020, the FDA issued a warning letter to Smoky Mountain Naturals, LLC following a review of the company's website, which found statements made about the company's products Evening Primrose Oil and Beta Glucan to be drug claims.

Recalls & Warnings

May 28, 2020

FDA Warns Sellers of CBD, Colloidal Silver, Essential Oils, and More Promoted to Treat Coronavirus

On May 26, 2020, the FDA issued warning letters to four companies for selling products such as CBD, essential oils, colloidal silver, and vitamins with unsupported claims that they can treat coronavirus (COVID-19).

Recalls & Warnings

October 21, 2020

FDA Warns Consumers Not to Use Dangerous Black Salve Products

On October 13, 2020, the FDA warned consumers not to use any products containing black salve, which is often sold as salves or creams with claims to treat or cure cancer, boils, moles, and skin tags.

Recalls & Warnings

August 25, 2022

Oregon’s Wild Harvest Warned by FDA for Manufacturing Violations

On July 8, 2022, the FDA issued a warning letter to Oregon’s Wild Harvest, Inc.

Recalls & Warnings

May 04, 2023

PrimeZEN Enhancement Supplement for Men Found to Contain Prescription Drug

On April 27, 2023, the FDA issued a warning letter to Tager Online, Inc. DBA Volt Candy; Volt Candy Wholesale Club after FDA laboratory analysis determined PrimeZEN Black 6000, a product promoted to improve sexual function for men, contains tadalafil and sildenafil.

Recalls & Warnings

February 17, 2018

FDA Reports Prevalence of Salmonella In Retail Spices

An FDA study of 11 different types of spices sold in retail stores throughout the U.S. found the prevalence of Salmonella contamination to be less than 1%. Overall, this was significantly lower than when the same types of spices were tested at the time of import to the U.S.

Recalls & Warnings

November 02, 2012

Maker of Joint Health, Blood Sugar, Prostate, Ginkgo Supplements and More Warned For Drug Claims, Misbranding and Adulteration

On September 10, 2012, the FDA issued a warning letter to Global Source Management & Consulting for making drug claims about the following dietary supplements: Scientific Joint Program capsules, Alpha Lipoic Acid, Healthy Blood Sugar Diabetic Support, Dr.

Recalls & Warnings

June 02, 2018

FDA Warns Seller of Cough Suppressant & Grape Seed Supplements

On March 29, 2018, the FDA issued a warning letter to Yoder's Good Health Products following a facility inspection which found a number of the company's products, including Respiratory & Cough Formula and Life Drops to be adulterated because they were prepared, packed, or ...

Recalls & Warnings

May 01, 2021

Hand Sanitizer Sold at Ulta, TJ Maxx, and Marshalls Recalled Due to Toxic Chemicals

On April 28, 2021, Scentsational Soaps & Candles, Inc.

Recalls & Warnings

December 12, 2022

FDA Warns Saffron USA for Promoting Teas to Treat Insomnia, Osteoporosis & Cancer

On September 23, 2022, the FDA issued a warning letter to Saffron USA LLC following inspection of the company’s website which found statements about its Allergy Blend, Chamomile Tea Petals, Diabetic Support Blend, Orange Blast Tea, and Saffron Loose Tea products to be drug ...

Recalls & Warnings

November 28, 2014

Seller of Herbal Extracts Warned for Manufacturing Violations, Drug Claims

On November 3, 2014, the FDA issued a warning letter to Avena Botanicals, Inc.

Recalls & Warnings

November 21, 2012

Maker of Blood Pressure, Probiotic, Resveratrol and Hormonal Supplements Warned For Manufacturing Violations and Drug Claims

On November 2, 2012, the FDA issued a warning letter to Atrium, Inc. following a facility inspection which found a number of the company's dietary supplements to be adulterated or promoted as drugs.

Recalls & Warnings

December 19, 2020

FDA Finds Unapproved Drugs in Many Weight Loss and Sexual Enhancement Products Sold Online

On December 18, 2020, the FDA warned consumers that certain products promoted for weight loss, body building, sexual enhancement, pain relief, sleep, and other uses because may contain harmful ingredients.

Recalls & Warnings

March 02, 2022

Seller of Holistic Tea Warned by FDA

On February 17, 2022, the FDA issued a warning letter to Vital Health & Wellness following an inspection of the company’s website, which found statements made about the company’s product, Dr. Miller’s Holistic Premium Holy Tea, to be drug claims.

Recalls & Warnings

August 28, 2018

FDA Warns Seller of Goldenseal and Parasite Supplements

On August 15, 2018, the FDA issued a warning letter to Healthy Healing dba Crystal Star, following a facility inspection which found certain statements product labels, including product labels for Women's Best Friend and Para Purge, to be drug claims. 

Recalls & Warnings

February 02, 2018

Seller of Vitamin D, Omega-3's, Whey Protein & More Warned for Drug Claims

On January 24, 2018 the FDA issued a warning letter to Young Health Products, LLC following a review of the company's website which found promotional statements and testimonials made about the certain products, including Lugol's Solution 2%, Liquid Vitamin D3, Probimune, Flax Seed & Omega ...

Recalls & Warnings

April 10, 2021

Three More Male Enhancement Products Recalled Due to Undeclared Drugs

Between March 30 and April 5, 2021, three companies issued recalls of their male enhancement capsules because FDA analysis found them to contain sildenafil and/or tadalafil.

Recalls & Warnings

November 02, 2012

Manufacturer of Prostate, Inflammation and Cholesterol Supplements Warned For Drug Claims

On October 15, 2012, the FDA issued a warning letter to Ortho Molecular Products, Inc. for making drug claims about the following dietary supplements: Candicid Forte, Inflamma-bLOX, Lipitrol, Mucosagen, Prostatrol Forte, Resvoxitrol, Paracid Forte, VascuPak HTN and Lithium Orotate.

Recalls & Warnings

October 24, 2012

FDA Seizes Many Supplements from New York Company Due To Drug Claims

On October 23, 2012, U.S. Marshalls, acting on behalf of the FDA, seized dietary supplements and unapproved drugs from Confidence, Inc., a supplement manufacturer in Port Washington, N.Y. The products included dietary supplements Dr.

Recalls & Warnings

May 06, 2014

Seller of Flaxseed, Ginkgo and More Warned for Manufacturing Violations and Drug Claims

On April 18, 2014, the FDA issued a warning letter to Iowa Select Herbs, LLC, following a facility inspection which found the company's products, including Flax Seed, Holy Basil, Papaya Leaf Extract, and Ginkgo Leaf Extract products, to be adulterated because they were prepared, packed, or held ...

Recalls & Warnings

June 04, 2020

FTC Warns 35 More Companies for Coronavirus Claims

On June 4, 2020, the FTC announced that it sent warning letters to 35 companies for selling products such as herbal products, immune system boosters, and vitamin C with unsupported claims that they can treat coronavirus (COVID-19).

Recalls & Warnings

June 30, 2020

FDA Warns Seller of Alpha Lipoic Acid, Berberine, and More

On June 18, 2020, the FDA issued a warning letter to Only Natural, Inc. dba Bio Nutrition, Inc.

Recalls & Warnings

September 01, 2020

Custom Nutraceuticals, LLC Warned for Manufacturing Violations

On August 6, 2020, the FDA issued a warning letter to Custom Nutraceuticals, LLC, following a facility inspection which found the company's products, including Thermal Revolution Black, Anabolic Blackout Raspberry Lemonade, Militia Re-COMP, and Rhino Rampage Wildberry to be ...

Recalls & Warnings

November 20, 2020

FTC Files Complaint Against Two Supplement Companies for Deceptive Marketing

On November 20, 2020, the FTC approved a Part 3 administrative complaint against Health Research Laboratories, LLC, its owner Kramer Duhon, and Whole Body Supplements, LLC for making unverified claims that their products can prevent or treat diseases.

Recalls & Warnings

October 24, 2014

Shark Cartilage Supplement Recalled

On October 17, 2014, AMS Health Sciences, LLC issued a voluntary recall of one lot of Saba Shark Cartilage Complex because it has the potential to be contaminated with Salmonella.

Recalls & Warnings

May 10, 2013

Seller Of Sexual Enhancement and Hormonal Balance Supplements Warned For Manufacturing Violations

On April 26, 2013, the FDA issued a warning letter to Pristine Bay, L.L.C.

Recalls & Warnings

May 07, 2013

FDA Warns Consumers Of Three More Sexual Enhancement Supplements Containing Undeclared Drugs

On May 7, 2013, the FDA issued a warning to consumers, urging them not to purchase or use three sexual enhancement products which were found to contain undeclared drugs.

Recalls & Warnings

October 21, 2014

Seller of Weight Loss, Saw Palmetto Supplements and More Warned for Drug Claims

On October 9, 2014, the FDA issued a warning letter to Bethel Nutritional Consulting, Inc., following a review of the company's website which found statements made about 15 Day Detox Diet, Alpha Lipoic Acid. 300 mg.

Recalls & Warnings

November 21, 2017

Bones and Packaged "Bone Treats" Dangerous for Dogs

Giving your dog real turkey or chicken bones, or packaged "bone treats" could lead to serious injury or death, the FDA recently warned pet owners. 

Recalls & Warnings

December 19, 2013

Seller of Sexual Enhancement Supplement and Tea Drink Warned for Drug Ingredients and Drug Claims

On December 5, 2013, the FDA issued a warning letter to Green Planet, Inc. following a facility inspection which found the company's sexual enhancement supplement Night Bullet to contain the drugs sulfohydroxyhomosildenafil, thioaildenafil and aminotadalafil.

Recalls & Warnings

July 25, 2013

Beware of Dietary Supplements With Claims To Treat Diabetes, FDA Warns

On July 23, 2013, the FDA issued a warning to consumers not to buy or use dietary supplements that are promoted to treat diabetes.

Recalls & Warnings

January 13, 2015

Seller of Speech Disorder Supplement Agrees to Settle FTC Charges of Deceptive Claims

NourishLife, LLC, seller of supplements promoted for treating children's speech disorders, has agreed to pay $200,000 in order to settle FTC charges that claims made on the company's website and in brochures were deceptive and not supported by science.

Recalls & Warnings

February 15, 2006

New Zealand Warns of Liver Toxicity from Black Cohosh

On February 9, 2006, New Zealand's Therapeutic Goods Administration (TGA) announced new labelling and consumer information for medicines containing Black cohosh (Cimicifuga racemosa).

Recalls & Warnings

November 21, 2014

Seller of "Ebola" Supplement Warned for Drug Claims

On November 18, 2014, the FDA issued a warning letter to the seller of dietary supplement Ebola-C, following a review of the company's website, www.ebola-c.com, which found statements made about the product to be drug claims.

Recalls & Warnings

June 13, 2012

FDA Warns of Multiple Violations with "Himalayan Institute" Supplements

The U.S. FDA recently posted a Warning Letter to Himalayn Institute of Buffalo regarding multiple violations of FDA regulations in the production and marketing of its liquid dietary supplement products.

Recalls & Warnings

May 07, 2012

FDA Warns Doctor Promoting Own Supplements Online as Treatments

On April 18, 2012 the U.S. Food and Drug Administration (FDA) sent a Warning Letter to Jacob Teitelbaum, M.D. of Fatigued to Fantastic, LLC regarding the promotion that company's products on its website www.endfatigue.com.

Recalls & Warnings

September 26, 2012

Maker of Eye Health Supplements Warned for Drug Claims

On September 18, 2012, the FDA issued a warning letter to EyeScience Labs, L.L.C. because statements made about the company's Macular Health Formula, Dry Eye Formula and Diabetic Vision Formula supplements were found to constitute drug claims.

Recalls & Warnings

June 27, 2007

Warning Labels to be Required for Green Tea and Black Cohosh Products

On June 26, 2007, the U.S. Pharmacopeia (USP) Dietary Supplements Information Expert Committee (DSI-EC) voted to require cautionary statements on the labels for green tea extracts and black cohosh dietary supplements.

Recalls & Warnings

August 16, 2013

Ginkgo, Milk Thistle, Cleanse and Nopal Supplement Maker Warned For Manufacturing Violations, Drug Claims

On July 23, 2013, the FDA issued a warning letter to Natural Products Services, Inc.

Recalls & Warnings

February 21, 2013

Pet Supplement Company Issues Recall Due To Potential Bacterial Contamination

On February 20, 2013, animal supplement company Nutri-Vet, LLC issued a recall of Nutri-Vet and NutriPet Chicken Jerky Products because they may be contaminated with Salmonella.

Recalls & Warnings

January 17, 2017

Seller of Heart, Senior and Teen Supplements Warned For Drug Claims

On December 7, 2016, the FDA issued a warning letter to Esteem Products Ltd following a review of the company's website, which found statements made about its products, Cardio Life, Total Man, Total Woman, Senior Total Man, Senior Total Woman , and Total Teen to be drug ...

Recalls & Warnings

October 24, 2012

Manufacturer of Green Tea, Vitamin E, Omega-3 and Cranberry Supplements Warned For Manufacturing Violations, Misbranding and Drug Claims

On October 16, 2012, the FDA issued a warning letter to dietary supplement manufacturer Advanced Nutritional Technology Inc.

Recalls & Warnings

May 10, 2013

Maker of Concentration, Pain, Immune, Cholesterol Supplements Warned For Drug Claims

On April 24, 2013, the FDA issued a warning letter to EuroPharma Co., Inc., following a review of the company's website which found statements made about Calm Kids, CholestCaps, CuraMed 375 mg, CuraMed 750 mg, Curamin, Mental Advantage, Tri-Iodine, and Viragen to be drug claims.

Recalls & Warnings

June 28, 2014

Chia Seed Recall Expanded

On June 26, 2014, HEALTH MATTERS AMERICA INC.

Recalls & Warnings

May 30, 2015

Seller of Omega-3, Probiotics & SuperFoods Warned for Manufacturing Violations, Drug Claims

On May 4, 2015, the FDA issued a warning letter to Dr. Dennis Black, LLC.

Recalls & Warnings

September 09, 2011

Possible Concern with Fenugreek Based on Contamination in Europe

Products made with fenugreek, including pills containing fenugreek seed, have been pulled from shelves in Germany due to conern over potential contamination with E. coli bacteria. There is no such action in the U.S., but ConsumerLab.

Recalls & Warnings

April 29, 2012

FDA Says DMAA Can't Be Sold as a Supplement -- Warns Sellers

On April 27, 2012, the U.S.

Recalls & Warnings

June 05, 2012

Many "Grapefruit Seed Extracts" Adulterated

On June 4, 2012, the American Botanical Council (ABC) announced the publication of a review of scientific literature regarding “grapefruit seed extracts,” raising concerns about apparent adulteration of products in the US and international marketplaces.

Recalls & Warnings

August 28, 2013

Tea and Papaya Supplement Company Warned For Drug Claims

On August 12, 2013, the FDA issued a warning letter to Herbal Papaya, LLC, following a review of the company's website and Facebook page which found statements made about Papaya Seed Extract Capsules, 100% Papaya Leaf (Paw Paw Twig) and Papaya Leaf with Rooibos Tea to be drug claims. 

Recalls & Warnings

May 02, 2016

Weight Loss Supplements Containing Hidden Drugs Recalled

On April 29, 2016 Making It A Lifestyle, L.L.C. issued a recall of all lots of weight loss supplements 3rd Degree, Black Gold X Advanced and Black Label X because they were found to contain undeclared sibutramine and sildenafil.

Recalls & Warnings

March 31, 2014

Seven Sexual Enhancement Supplements Recalled Due to Undeclared Drugs

On March 27, 2014, Nova Products, Inc. issued a voluntary recall of sexual enhancement supplements African Black Ant, Black Ant, XZen Gold, ZXen Platinum, XZen 1200, XZone Gold and XZone 1200.

Recalls & Warnings

May 07, 2014

Three Sexual Enhancement Supplements Recalled

On May 5, 2014 , Eugene Oregon, Inc. issued a precautionary, voluntary recall of sexual enhancement supplements African Black Ant, Black Ant and Mojo Risen.

Recalls & Warnings

October 31, 2017

Black Licorice Can Cause Abnormal Heart Rhythms, FDA Warns

On October 30, 2017, the FDA warned consumers that eating 2 ounces of black licorice a day for at least two weeks could cause an irregular heart rhythm or arrhythmia in adults age 40 or older. 

Recalls & Warnings

November 06, 2014

Seller of Cholesterol, Arthritis Supplements and More Warned for Drug Claims

On October 17, 2014, the FDA issued a warning letter to Vitamins Direct (USA) and Golden Pride, Inc., which distribute Flexezy and Physician's Signature brands of dietary supplements, following a facility inspection which found statements made about certain supplements to be drug claims.

Recalls & Warnings

January 16, 2014

Seller of Tea Supplements and Drinks Warned For Manufacturing Violations and Drug Claims

On December 31, 2013, the FDA issued a warning to Prestige Chinese Teas Company, Inc.

Recalls & Warnings

January 24, 2013

Excessive Lead and Mercury Found In Chinese Herbal Supplements

On January 23, 2013, Health Canada warned consumers that certain batches of the Chinese dietary supplements [W.S.

Recalls & Warnings

June 07, 2013

Seller of Red Rice Yeast With CoQ10, Respiratory Supplement And More Warned For Manufacturing Violations and Drug Claims

On February 25, 2013, the FDA issued a warning letter to Altasource, LLC, dba Meta Labs LLC, following a facility inspection which found the company's dietary supplements, including Respiratory Response, African Mango, Coffee Black Salve, Meta-Cell, Conjugated Linoleic Acid and Red Yeast Rice with ...

Recalls & Warnings

June 05, 2014

More Chia Powders Recalled Due to Salmonella Risk

On June 4, 2014, Health Matters America Inc. issued a voluntary recall its Organic Traditions Sprouted Chia Seed Powder and Organic Traditions Sprouted Chia & Flax Seed Powder because they have the potential to be contaminated with Salmonella.

Recalls & Warnings

October 16, 2014

Seller of Black Cohosh, Ginkgo and More Warned For Manufacturing Violations and Drug Claims

On April 2, 2014, the FDA issued a warning letter to Pure Herbs, Ltd.

Recalls & Warnings

July 01, 2013

Teas Recalled Due To Potential Botulism Contamination

One June 28, 2013, Harmony Chai issued a voluntary recall of its Concentrated Black Spiced Chai and Decaffeinated Rooibos Chai bottled tea drinks, because they have the potential to be contaminated with Clostridium botulinum.

Recalls & Warnings

August 16, 2013

Maker of Energy, Weight Loss, Sleep and Vitamin D Supplements Warned for Manufacturing Violations

On July 22, 2013, the FDA issued a warning letter to N.V.E. Pharmaceuticals, Inc.

Recalls & Warnings

May 08, 2012

False Marketing of Grape Seed Supplement Online

On April 19, 2012, the U.S. Food and Drug Administration (FDA) sent a Warning Letter to Nature's Pearl Corporation regarding the false and illegal promotion of its product "Nature's Pearl Premium Muscadine Grape Seed Supplement" on the company's website "www.

Recalls & Warnings

December 18, 2006

Doctor Disciplined for Use of Black Salve Containing Bloodroot

The Casewatch website recently reported that Jerome W. Craft, M.D., a surgeon who practices in West Palm Beach, Florida, has signed a settlement agreement under which he was fined and ordered to stop using an escharotic paste, referred to as "black salve.

Recalls & Warnings

December 20, 2011

Organic Celery Seed Products Recalled Due to Potential Salmonella Contamination

On December 16, 2011, the U.S. FDA posted a notice from Swanson Health Products regarding the recall of Swanson Organic Celery Seed (Whole) which is packaged in plastic bottles with a net weight of 1.4 oz. (40 grams) because it has the potential to be contaminated with Salmonella.

Recalls & Warnings

October 29, 2019

Chinese Herbal Supplement May Raise PSA

Use of a Chinese herbal supplement appears to have significantly increased the PSA (prostate specific antigen) level in a man treated for prostate cancer, erroneously suggesting a recurrence of the cancer (Abel, J Am Osteopath Assoc 2019).

Recalls & Warnings

February 27, 2018

Dog Treats, Food Recalled Due to Salmonella, Listeria Risk

The following dog treats and dog food are being recalled because they have the potential to be contaminated with Listeria monocytogenes or Salmonella, which can cause illness in pets who consume these products, as well as in pet owners who handle the contaminated products or touch ...

Recalls & Warnings

September 07, 2002

FDA Sends Warning Letters to Seven Online Supplement Sellers For Therapeutic Claims

On August 27, 2002, the FDA posted seven "Cyber" letters recently issued from its Center for Food Safety and Applied Nutrition (CFSAN) to internet website operators promoting dietary supplement products that claim to diagnose, mitigate, treat, cure, or prevent a specific disease or class of ...

Recalls & Warnings

February 13, 2013

Manufacturer of Heart, Multivitamin, Cranberry, and Longevity Supplements Warned For Adulteration and Drug Claims

On January 29, 2013, the FDA issued a warning letter to M.D.R. Fitness Corp. following a facility inspection which found violations of good manufacturing practices which cause the company's products to be adulterated. 

Recalls & Warnings

April 18, 2013

Cardio, Energy and Sexual Enhancement Supplement Distributor Warned For Manufacturing Violations and Drug Claims

On December 21, 2012, the FDA issued a warning letter to ForMor Inc, dba ForMor International, following a facility inspection which found the company's Cardio Cocktail and Argenix dietary supplements to be adulterated because because they were prepared, packed, or held under conditions that do ...

Recalls & Warnings

July 05, 2013

Seller of Vision Supplement Warned For Drug Claims

On June 25, 2013, the FDA issued a warning letter to Nutrient Synergy, Inc., following a review of the company's website which found statements made about the dietary supplement Nepretin to be drug claims.

Recalls & Warnings

December 21, 2012

Weight Loss Supplement Containing Undeclared Drug Recalled

On December 19, 2012, P&J Trading issued a voluntary recall of SLIMDIA REVOLUTION after FDA testing found the dietary supplement contains undeclared sibutramine.

Recalls & Warnings

July 02, 2014

Protein Drink Mix Recalled Due to Salmonella Risk

On July 1, 2014, Oriya Organics, LLC voluntarily recalled Oriya Organics Superfood Protein Medley (21.2 oz) because it contains Organic Sprouted Chia Seed Powder, which has the potential to be contaminated with Salmonella.

Recalls & Warnings

May 29, 2014

Chia Powders and Smoothies Recalled Due to Salmonella Risk

On May 28, 2014, Navitas Naturals issued a voluntary recall of products containing its organic sprouted chia seed powder because they have the potential to be contaminated with Salmonella.

Recalls & Warnings

March 08, 2012

Supplement Maker Warned About Cancer Claims

FDA issued a letter to Royal Domains (dated January 6, 2012) warning that their Nature's Pearl Premium Muscadine Grape Seed dietary supplement is being promoted as a drug and as such is misbranded.

Recalls & Warnings

December 13, 2013

Maker of Menopause Blend and Other Supplement Ingredients Warned by FDA of Violations

On November 21, 2013, the FDA issued a warning letter to Raw Deal, Inc.

Recalls & Warnings

September 03, 2013

Sexual Enhancement Supplements Containing Undeclared Drug Recalled

On August 27, 2013, Hardmenstore.com issued a voluntary recall of sexual enhancement supplements 72HP, Evil Root and Pro Power Max because they were found to contain undeclared sildenafil.

Recalls & Warnings

May 03, 2013

Recall: Two Sexual Enhancement Supplements Containing Undeclared Drugs

On May 1, 2013, American Lifestyle issued a voluntary recall of all lots of sexual enhancement supplements Vicerex and Black Ant because they were found to contain undeclared prescription drugs.

Recalls & Warnings

May 29, 2014

Recall of Sexual Enhancement Supplements Expanded

On May 28, 2014, Eugene Oregon, Inc. expanded its previous recall of certain lots of sexual enhancement supplements African Black Ant, Black Ant, and Mojo Risen. All lots of these supplements are now recalled.

Recalls & Warnings

February 13, 2014

Seller of Iron, Prostate, Valerian and Other Supplements Warned For Multiple Violations and Drug Claims

On January 31, 2014, the FDA issued a warning letter to NatureAll-STF Holding, LLC, following a facility inspection which found the company's products, including Colostrum, Valerian-Plus, Wormwood, Black Walnut-Plus, Lung-Plus, Yucca-Plus (Arthro Plus), Iron Plus, MSM Plus, White Willow Plus, ...

Recalls & Warnings

August 26, 2014

Maker of Herbal Supplements Warned for Manufacturing Violations and Drug Claims

On August 8, 2014, the FDA issued a warning letter to EnerHealth Botanicals, LLC following a facility inspection which found the company's products, including Parasite Purge Herbal Remedy, Black Walnut Extract, Bladder Cleanse Herbal Extract, Lung Renewal Herbal Remedy, EchinOsha and Daily Immune ...

Recalls & Warnings

March 21, 2017

Twenty-one Sexual Enhancement Products Recalled

On March 7, 2017, A&H Focal Inc. issued a recall of the following sexual enhancement supplements because they were found to contain drugs such as sildenafil, tadalafil, vardenafil:

Recalls & Warnings

December 23, 2016

Twelve Sexual Enhancement Supplements Found to Contain Prescription Drug

On December 22, 2016, the FDA warned consumers not to buy or use the following twelve sexual enhancement supplements because they were found to contain undeclared sildenafil. Each was identified during an examination of international mail shipments. 

Recalls & Warnings

March 06, 2015

Four Male Enhancement Supplements Found to Contain Drug

On March 5, 2015, the FDA warned consumers not to buy or use the following four sexual enhancement supplements because they were found to contain an undeclared sildenafil. Each was identified during an examination of international mail shipments.

Recalls & Warnings

January 12, 2016

Twenty-four Male Enhancement Supplements Recalled

On January 9, 2016, R Thomas Marketing LLC. in conjuction with Just Enhance LLC, issued a recall of the following sexual enhancement supplements because they were found to contain sildenafil:

Recalls & Warnings

September 15, 2010

Recall of Testosterone-Boosting Supplement

On September 14, 2010, the FDA posted a notice that KiloSports is recalling Clomed (60 count bottles), a supplement with claims to "release gonadatropin," "elevate testosterone" and "promote spermatogenesis."

Recalls & Warnings

November 17, 2009

Steroids Found in More Body Building Supplements

On November 17, 2009, the U.S.

Recalls & Warnings

February 09, 2019

Herbal Skin Remedy Recalled, Can Cause Serious Injury

On February 8, 2019, McDaniel Life-Line LLC issued a recall of all lots of Indian Herb a product marketed to be taken orally or applied topically, as a remedy for abnormal skin growths.

Recalls & Warnings

August 16, 2018

Kratom Recalled Due to Salmonella Risk

On August 14, 2018, Zakah Life, LLC issued a recall of Super Green Maeng Da Premium Kratom powder, Powerful Red Vein Bali Premium Kratom powder, Super Green Maeng Da Premium Kratom capsules, and Powerful Red Vein Bali Premium Kratom capsules because laboratory testing revealed the presence of ...

Recalls & Warnings

August 20, 2013

Weight Loss Supplement Formulas For Men and Women Recalled Due To Undeclared Drugs

On August 16, 2013, Herbal Give Care LLC issued a voluntary recall of all lots of weight loss dietary supplements Esbelder man, Esbelder fem and Esbelder siloutte because they were found to contain the undeclared drugs sibutramine, N-desmethylsibutramine, and N-di-desmethylsibutramine.

Recalls & Warnings

March 30, 2011

More Protein Supplements Recalled for Salmonella Risk

On March 29, the U.S.

Recalls & Warnings

December 05, 2014

Maker of Ginseng, Zinc, Calcium and More Warned for Manufacturing Violations

On November 20, 2014, the FDA issued a warning letter to Long Island Pharmaceuticals, LLC, following a facility inspection which found the company's products to be adulterated because they were prepared, packed, or held under conditions that violate Current Good Manufacturing Practices for dietary ...

Recalls & Warnings

June 15, 2016

More Nutrition Bars Recalled Due to Listeria Risk

The following nutrition bars are being recalled because they contain sunflower kernels or may have come in contact with equipment processing sunflower kernels which have the potential to be contaminated with Listeria monocytogenes (use the links below for affected lot numbers, UPC, and/or ...

Recalls & Warnings

February 19, 2014

Seller of Sexual Enhancement Supplements Warned For Manufacturing Violations

On February 11, 2014, the FDA issued a warning letter to Maximus Niterider International Group, Inc.

Recalls & Warnings

August 03, 2017

AMPT "Sexual Enhancement" Coffee Recalled

On August 1, 2017, AMPT Life, LLC, recalled all lots of AMPT Coffee after FDA testing found sildenafil and tadalafil. 

Recalls & Warnings

May 23, 2016

Amino Acid Supplements Recalled

On May 18, 2016, Ultimate Nutrition Inc. issued a recall of its Amino Gold amino acid tablets and capsules because they contain undeclared milk in the form of hydrolyzed whey protein.

Recalls & Warnings

March 15, 2013

Maker of Liquid Supplements Warned For Manufacturing Violations and Drug Claims

On January 31, 2013, the FDA issued a warning letter to Liquid Health, Inc.

Recalls & Warnings

March 12, 2016

FDA Finds Problems at 58% of Supplement Manufacturing Sites in U.S. and Abroad

ConsumerLab.com has obtained results of the FDA's inspections in Fiscal Year 2015 (ending September 30) of 483 dietary supplement manufacturing facilities, showing that most -- 58.2% -- received letters indicating noncompliance with current Good Manufacturing Practices (cGMPs).

Recalls & Warnings

January 21, 2018

Men's Fiber Supplement Recalled

On January 21, 2018, Break Ventures/California Basics recalled of its fiber supplement for men, Zero for Him (150 count) due to possible Salmonella contamination.

Recalls & Warnings

March 15, 2016

Tea Recalled Due to Salmonella Risk

On March 11, 2016 Awareness Corp. issued a recall of its 7.4 ounce container of Boost Tea because it may be contaminated with Salmonella.

Recalls & Warnings

September 23, 2014

More Carob Powder Products Recalled

On September 22, 2014, Glaser Organic Farms issued a recall of Raw Carob Powder and Carob Fudgy Brownie because they have the potential to be contaminated with Salmonella.

Recalls & Warnings

July 13, 2012

Alistrol Health Inc. Warned Over Health Claims on Products

On June 26, 2012, the FDA issued a warning letter to Alistrol Health Inc. for making product statements on the company's websites that constitute drug claims.