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Chia Seed

Chia supplements reviewed by ConsumerLab.com

We found the best chia seed product by independently testing, tasting, and comparing popular products, including whole chia seed, ground chia seed, sprouted chia seed, chia seed flour, and chia seed capsules. We also found one chia product to be contaminated with lead and have other problems with its quality. See the results and review of each product in this ConsumerLab report. You don't have to spend a lot for a good chia product!

Chia Seed Review

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Product Review

Protein Powders and Shakes Review

Find Out Which Protein Products Passed or Failed Our Tests

Protein Review 2026

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.

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.

Product Review

Olive Leaf Extract Supplements Review

Learn What Olive Leaf Does and the Best Brands

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

Electrolytes & Sports Drinks Review

See Which Sports Drinks, Powders, and Pills Deliver the Right Electrolytes

Product Review

Lavender and Tea Tree Essential Oils Review

Oils Tested for Authenticity and Purity

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.

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

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

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.

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

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.

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.

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

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.

Product Review

Hemp Seed Review

We Found That 33% of Products Were Spoiled

Hemp Seed Review 2026

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

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

Pumpkin Seeds (Pepitas) Review

We Identified the Best Pumpkin Seeds

Pumpkin Seeds Review 2024 (2)

Product Review

Black Seed Oil Review

Find Out Which Black Seed Oil Supplements Passed or Failed Our Tests. See Our Top Picks.

Black Cumin Seed Oil Review 2025

Product Review

Sunflower Seeds and Butters Review

High Levels of Toxin Found in Most Sunflower Seeds and Butters

Sunflower Seeds & Butters 2024

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.

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

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

Whole, Ground, Milled, and Cracker Flaxseed Review

High Levels of Cadmium Found in Flaxseed Products — Testing Expanded

Product Review

Iron Supplements Review (Iron Pills, Liquids and Chews)

See Which Iron Supplements Are CL's Top Picks for Different Needs

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.

CL Answer

Contamination of Dry Shampoos with Benzene — What You Need to Know

Benzene, a carcinogen, has been detected in several dry shampoo aerosol sprays. Find out which dry shampoos were found to contain benzene and how much was in each one, plus how tips for reducing your exposure to benzene.

Dry Shampoo

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

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.

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

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

Recalls & Warnings

June 13, 2024

Thyroid Supplement Recalled Due to Salmonella

On June 11, 2024, Penn Herb Company Ltd issued a recall of 51 bottles of Nature’s Wonderland Thyroid Formula capsules after FDA testing revealed the products to be contaminated with Salmonella.

Recalls & Warnings

May 06, 2025

Joint Supplement Recalled Due to Salmonella Risk

On April 15, 2025, Optimal Carnivore, LLC recalled 1,483 bottles of Bone & Joint Restore capsules because they have the potential to be contaminated with Salmonella.

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

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

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

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.

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

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

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

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

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

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

Recalls & Warnings

July 24, 2023

ONO Overnight Oats Recalled Due to Allergen Risk

On July 18, 2023, ONO LLC issued a voluntary recall of the company’s ONO Vegan Blueberry Muffin Protein Overnight Oats due to undeclared milk.

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

Do any supplements help for irritable bowel syndrome (IBS)?

IBS supplements may help reduce irritable bowel symptoms such as pain, diarrhea and constipation. Supplements include probiotics, melatonin, and flaxseed.

Supplements for IBS? -- Women With Stomach Pain

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

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

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.

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.

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.

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

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

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

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

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

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

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

Recalls & Warnings

June 28, 2014

Chia Seed Recall Expanded

On June 26, 2014, HEALTH MATTERS AMERICA INC.

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

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.

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

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?

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

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.)

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

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

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

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

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

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.

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

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

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

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.

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.

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

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.

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

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

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

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.

Clinical Update

8/26/2022

Hair Growth Compared

We received and answered the following questions this week:

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 >>

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 >> 

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 >>   

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

1/19/2019

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

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.

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

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.

Recalls & Warnings

March 20, 2020

Kudzu Supplement Recalled for Salmonella Risk

On March 18, 2020, Mountain Rose Herbs issued a recall of all sizes of Organic Kudzu Root Herbal Supplement because recent testing found it has the potential to be contaminated with Salmonella.

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

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.

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 ...

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.

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.

News Release

June 30, 2022

Best Protein Shakes & Drinks According to ConsumerLab Tests. Lead, Excess Sodium Found in Some

White Plains, New York, June 30, 2022 — Consumers may get more sodium, fat, calories, or even lead, than they bargained for from some protein supplements, according to recent ConsumerLab tests of over 20 popular protein powders and shakes.

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.

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).

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.

Recalls & Warnings

August 16, 2014

McCormick Ground Oregano Recalled Due to Salmonella Risk

On August 13, 2014, McCormick & Company, Incorporated issued a voluntary recall of McCormick Ground Oregano (0.75 oz bottle) because it has the potential to be contaminated with Salmonella.

Recalls & Warnings

August 16, 2014

More Carob Powder Recalled

On August 11, 2014, Sunfood issued a recall of several lots of Organic Carob Powder because it has the potential to be contaminated with Salmonella.

Recalls & Warnings

August 04, 2014

"Superfood" Greens Recalled Due to Salmonella Risk

On August 1, 2014, New England Greens dba Vibrant Health issued a recall of 10 lots of Green Vibrance and one lot of Rainbow Vibrance because they have the potential to be contaminated with Salmonella.

Recalls & Warnings

July 30, 2014

Chocolate and Carob Drink Mix Recalled Due To Salmonella Risk

On July 25, 2014, CaCoCo, Inc. issued a recall of CaCoCo Original and Global Warrior chocolate drink mixes because they contain organic carob powder which has the potential to be contaminated with Salmonella.

Recalls & Warnings

July 30, 2014

Nutrition Bars Recalled Due to Salmonella Risk

On July 25, 2014, GoMacro issued a recall of two flavors of MACROBARS nutrition bars because they contain carob powder which has the potential to be contaminated with Salmonella.

Recalls & Warnings

July 24, 2014

Carob Powder Recalled

On July 22, 2014, Earth Circle Organics issued a recall of Organic Carob Powder due to the risk of potential contamination with Salmonella.

Recalls & Warnings

January 21, 2018

Joint Supplement Recalled for Salmonella Risk

On January 21, 2018, Arthri-D, LLC announced a recall of its joint pain supplement, Arthri-D (120 count), due to possible Salmonella contamination.

Recalls & Warnings

March 24, 2017

"Micro Greens" Recalled Due to Salmonella Risk

On March 23, 2017, ChloroFields issued a recall of 20 cases of Asian Mix Microgreens because they have the potential to be contaminated with Salmonella.

Recalls & Warnings

July 23, 2016

Maker of "Super Food" Warned for Manufacturing Violations

On July 12, 2016, the FDA issued a warning letter to TerraVare, Inc.

Recalls & Warnings

April 09, 2018

Bob's Red Mill Organic Amaranth Flour Recalled Due To Salmonella Risk

On April 6, 2018, Bob's Red Mill Natural Foods issued a recall of 2,099 cases of Organic Amaranth Flour (22 oz.) because recent testing found a single lot to be contaminated with Salmonella.

Recalls & Warnings

January 31, 2015

Protein Powder Recalled Due to Food Poisoning Risk

On January 30, 2015, Aloha, Inc. issued a voluntary recall of all packages of Premium Protein powder blends in chocolate and vanilla because they have the potential to be contaminated with Staphylococcus enterotoxin .

Recalls & Warnings

January 21, 2015

Smoothie Blends Recalled Due to Potential Listeria Contamination

On January 18, 2015, Inventure Foods, Inc. issued a recall of RADER FARMS Fresh Start Smoothie Blend, Fresh Start Sunrise Refresh Fusion, and Fresh Start Daily Power Fusion, because they have the potential to be contaminated with Listeria monocytogenes.

Recalls & Warnings

December 22, 2014

Nutrition Bars Recalled Due to Potential Salmonella Contamination

On December 19, 2014, Perfect Bar & Company issued a recall of certain lots of Peanut Butter and Cranberry Crunch Nutrition Bars because they have the potential to be contaminated with Salmonella.

Recalls & Warnings

December 10, 2014

Risk of Fungal Infection from Probiotics in People with Weakened Immune System

On December 9, 2014, the FDA warned that supplements containing live bacteria or yeast have the potential to be contaminated with mold, and may pose a risk of potentially deadly fungal infection in immunocompromised persons.

Recalls & Warnings

November 17, 2014

Organic Brown Rice Flour Recalled

On November 14, 2014, Lundberg Family Farms issued a voluntary recall of certain bags of Eco-Farmed Brown Rice Flour and Organic Brown Rice Flour because they because it has the potential to be contaminated with Salmonella.

Recalls & Warnings

November 17, 2014

Probiotic Powder Recalled

On November 14, 2014, Solgar, Inc. issued a voluntary recall of Solgar ABC Dophilus Powder (NET Wt. 1.75 oz (50 g)) because it was found to contain Rhizopus oryzae, a fungus which may cause Mucormycosis infection.

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

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

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.

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

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, 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

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.

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

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

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

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

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.

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

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

August 03, 2017

Protein Bars Recalled Due to Listeria Risk

On August 2, 2017, Amrita Health Foods recalled several varieties of protein bars due to potential contamination with Listeria monoocytogenes.

Recalls & Warnings

May 06, 2017

Herbal Teas Recalled Due To Botulism Risk

On May 1, 2017, U.S. Deer Antler Ex. & Imp. of Los Angeles, California, issued a recall of various herbal teas because they have the potential to be contaminated with Clostridium botulinum. This bacterium can cause botulism, a potentially fatal form of food poisoning.

Recalls & Warnings

May 02, 2016

The Republic of Tea Recalls Turmeric/Ginger Teas Due to Salmonella Risk

On April 29, 2016 The Republic of Tea issued a recall of several Organic Turmeric Ginger teas because they have the potential to be contaminated with Salmonella.

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, ...

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

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.

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

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

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.

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

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

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.

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

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

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

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

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 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

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

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

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

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

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

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

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

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

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

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

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

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

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.