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Product Review

Pomegranate Juice and Supplements Review Article

What Are the Benefits of Pomegranate Juice and Supplements? Find Out What Pomegranate Can and Cannot Do For Your Health.

Pomegranate Juice Supplements Reviewed by ConsumerLab

Product Review

Shilajit Supplements Review (Resins and Extracts)

We Discovered Major Differences Among Shilajit Supplements

Shilajit Review 2024

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

Product Review

DHEA Supplements Review

Choose the Best DHEA Supplement. Beware of Big Differences in Dose and Price.

DHEA Supplements Tested by ConsumerLab.com

CL Answer

Does D-aspartic acid boost testosterone levels?

Find out if D-aspartic acid (aspartic acid) raises testosterone levels, increases libido or muscle mass.

D-aspartic Acid for Boosting Testosterone? -- Man scooping D-aspartic acid powder from supplement container

CL Answer

Hemp Seeds: Health Benefits, Safety, and What To Consider When Picking a Product

Hemp seeds are promoted for heart health, diabetes, boosting testosterone, and other conditions, but do they work? Find out and learn about potential safety concerns.

Whole hemp seeds and hemp hearts in small white bowls

CL Answer

Can taking astaxanthin increase the risk of breast enlargement in men?

Find out if taking astaxanthin can increase the risk of breast enlargement (gynecomastia) in men.

Capsules of astaxanthin being poured onto a wooden table

CL Answer

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

Find out if luteolin, a compound found in many fruits and vegetables, is beneficial for cancer, heart health, skin aging, age-related cognitive decline, and other conditions, and learn if it's safe.

Luteolin containing vegetables including celery peppers lettuce and spinach

CL Answer

Which supplements help with erectile dysfunction?

Supplements for erectile dysfunction. Find out which supplements can help with ED, including ginseng, L-arginine, and maca.

Man in Grey Tee Holding Water and White Supplement

CL Answer

Which supplements may help with PCOS (polycystic ovarian syndrome)?

Many supplements are promoted to help treat symptoms of PCOS (polycystic ovarian syndrome), but do they really work? See the clinical evidence for inositol (myo-inositol and D-chiro-inositol), alpha lipoic acid, vitamin B-12, folic acid, vitamin D and more.

Supplements for PCOS

Product Review

Ashwagandha Supplements Review

Find the Best Ashwagandha Supplement. Only 38% of Ashwagandha Products Pass Tests.

Ashwagandha 2024

Product Review

Astaxanthin Supplements Review

See Which Astaxanthin Products Passed or Failed CL's Tests

Astaxanthin supplements reviewed by ConsumerLab.com

Product Review

Low-Dose Lithium Supplements Review

Choose the Best Low-Dose Lithium Supplement. CL Tests Reveal Which Low-Dose Lithium Supplements Offer the Best Quality and Value.

Very Low Lithium Supplements Reviewed by ConsumerLab.com

CL Answer

Will pregnenolone help slow down aging or reduce chronic pain?

Learn more about the steroid hormone pregnenolone, including its effects in the body and on aging and chronic pain.

Elderly couple yoga pose in sunshine

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

Are Moringa Leaf Supplements Helpful and Safe?

Are moringa leaf supplements beneficial for diabetes, lowering cholesterol, lowering blood pressure, improving liver function, and other conditions, and are they safe? Find out.

Fresh moringa leaves under a white bowl containing moringa leaf powder that is next to capsules of moringa leaf

CL Answer

Do sea moss and carrageenan have health benefits? Are there risks?

Sea moss is promoted for thyroid health, boosting immunity, improving gut health, and other uses. Find out if it works and learn about possible side effects of sea moss and its constituent, carrageenan.

Sea moss in a clear bowl next to a wooden spoon on the countertop

CL Answer

Which vitamins and supplements should be stopped before getting blood work, laboratory tests, or medical imaging?

Find out which vitamins and supplements can interfere with blood, urine or stool tests, and imaginging tests, like bone scans and MRIs. Learn how B vitamins such as biotin, niacin and riboflavin, as well as calcium supplements, St. John’s wort, vitamin C, and others supplements can affect test results, as well as common foods that may interfere with tests.

Vitamin & Supplements to Stop Before Blood Tests

CL Answer

Adrenal Fatigue and Adrenal Support Supplements: Do they work and are they safe?

Find out what's really in supplements for adrenal support and adrenal fatigue, including herbal adrenal support supplements and bovine derived adrenal support supplements. Find out if they really work and if they are safe. ConsumerLab.com's answer explains.

Adrenal Fatigue and Adrenal Support Supplements -- Tired Woman Falling Asleep at Her Desk

News Release

September 26, 2024

What’s Really In Shilajit Supplements? ConsumerLab Tests Reveal Amounts of Fulvic Acid & Heavy Metals

White Plains, NY, September 26, 2024 -- Shilajit is a tar-like substance created by decomposed plant material and found in mountain rocks.

CL Answer

Are lithium orotate supplements as effective and safe as prescription lithium for bipolar disease and depression?

Lithium orotate supplement info, including proper dosage, safety, and how lithium orotate supplements compare to prescription lithium for bipolar disease and depression.

Lithium Orotate Supplement Bottle

CL Answer

Does I3C (from broccoli) or DIM (a related chemical) reduce the risk of cancer?

Find out if the compound indole-3-carbinol (I3C), from broccoli, and its metabolite diindolylmethane (DIM) can reduce the risk of cancer. ConsumerLab.com's answer explains.

 Indole-3-carbinol (I3C) and Cancer Risk -- bunches of broccoli, cabbage and cauliflower

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

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

Can magnesium supplements reduce heart palpitations or PVCs?

Having low blood levels of magnesium has been associated with abnormal heart rhythms known as PVCs (premature ventricular complexes). Find out if taking magnesium supplements can help.

Magnesium and Palpitations (PVCs) -- Woman With Heart Palpitations

Recalls & Warnings

February 05, 2025

Muscle Tech Alpha Test Recalled

On December 18, 2024, Iovate Health Sciences USA Inc. recalled 10 lots (163,248 units) of Muscle Tech Alpha Test capsules because they contain cathine, a controlled substance that can cause serious adverse effects.

Recalls & Warnings

January 19, 2023

Male Sexual Enhancement Supplement Adam’s Secret Found to Contain Prescription Medication

On January 10, 2023, the FDA issued a warning letter to HIS Enterprise Inc dba Adam’s Secret USA, LLC after laboratory analysis found Adam’s Secret Extra Strength 3000 Platinum, Adam’s Secret Extra Strength Blue, Adam’s Secret Extra Strength Purple, Adam's Secret ...

Recalls & Warnings

May 27, 2025

Lactoferrin Supplement Recalled Due to Undeclared Milk

On April 25, 2025, My Life Inc recalled 65 bottles of Lactoferrin as Apolactoferrin 60 vegetarian capsules, 300 mg per serving which were sold in the U.S. because they contain undeclared milk.

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

April 24, 2023

Terry Naturally and EuroMedica B Vitamins Recalled Due to Allergen Risk

On April 21, 2023, EuroPharma, Inc. issued a voluntary recall of 4 lots of its Terry Naturally BioActive Vitamin B 60 count and 3 lots of its EuroMedica Active B Complex 60 count products due to undeclared milk. No illnesses have been reported to date.

Recalls & Warnings

May 22, 2023

Nature’s Energy Children’s Colostrum Recalled Due to Undeclared Milk

On May 18, 2023, Nature’s Energy issued a recall of six lots of Children’s Chewable Colostrum products due to undeclared milk.

News Release

August 23, 2017

ConsumerLab.com Tests Reveal Best Low-Dose Lithium Supplements for "Mood"

White Plains, New York, August 23, 2017 — As a prescription medication, the mineral lithium is used to treat bipolar disease and other mood disorders, but some may be surprised to learn that lithium is also sold as a dietary supplement — although in much lower doses than provided by ...

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.

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 11, 2022

FDA Warns 10 Companies for Selling Workout Supplements With Dangerous Ingredients

On May 4, 2022, the FDA issued warning letters to 10 companies for selling products promoted for muscle building, fat burning and other uses that contain potentially dangerous ingredients not permitted in dietary supplements, including hordenine, higenamine, 5-alpha-hydroxy-laxogenin, and CBD.

Recalls & Warnings

March 05, 2020

Protein Powder Recalled Due to Undeclared Milk

On March 3, 2020, New Capstone, Inc. issued a recall of ReStructure Vanilla Protein Powder because it may contain undeclared milk.

Recalls & Warnings

July 28, 2020

Iron Supplements Recalled Due to Undeclared Allergen

Between July 23 and 24, 2020, two companies issued recalls of iron supplements because they may contain undeclared milk.

Recalls & Warnings

November 22, 2017

FDA Warns Distributor of "Testosterone Wellness for Men"

On November 8, 2017, the FDA sent a warning letter to Vita-Pure, Inc.

Recalls & Warnings

October 06, 2011

Testosterone Booster Supplement Recalled for Containing Synthetic Steroid

On October 5, 2011, the U.S. FDA announced that Superior Metabolic Technologies Inc of Marietta, Georgia is voluntarily recalling all lots of the testosterone booster Uprizing 2.

Recalls & Warnings

October 12, 2018

Organic Plant Protein Shake Recalled

On October 11, 2018, Forager Project issued a recall of certain Nuts and Vanilla — Organic Plant Protein Shakes because the products contain almond flour which is not declared on the label.

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

April 19, 2017

Sexual Enhancement Supplements for Men and Women Recalled

On April 18, 2017, Organic Herbal Supply, Inc. issued a recall of all lots of the following sexual enhancement supplements for men because they were found to contain the undeclared drug tadalafil:

Recalls & Warnings

January 20, 2016

Maker of Growth Hormone, Testosterone Booster Warned for Manufacturing Violations, Misbranding

On January 8, 2016, the FDA issued a warning letter to Nutraloid Labs Inc.

Recalls & Warnings

April 29, 2015

Teen Use of Weight Loss and Workout Supplements Labeled "For Adult Use Only" Concerning

Three new studies have raised concerns that teenagers are able to purchase "body-shaping" supplements, such as creatine, testosterone boosters, and "fat-burning" products from health food stores despite the fact that many of these supplements are labeled "for adult use only.

Recalls & Warnings

September 22, 2018

MyoWhey Protein Powder Recalled

On September 20, 2018, Purus Labs, Inc. issued a recall of one lot of MyoWhey Chocolate Cookie Crunch protein powder because it may contain undeclared milk and soy.

Recalls & Warnings

November 19, 2018

Jay Robb Egg White Protein Recalled

On November 16, 2018, Jay Robb Enterprises issued a recall of its Unflavored Egg White Protein Product because it may contain undeclared milk.

Recalls & Warnings

July 06, 2018

Prescript-Assist Probiotic Recall Expanded

On July 6, 2018, LL's Magnetic Clay, Inc., expanded its original recall of Prescript-Assist, a "broad spectrum probiotic and prebiotic" supplement, because it may contain undeclared almonds, crustaceans, dairy, casein, eggs, and peanuts.

Recalls & Warnings

June 29, 2018

Prescript-Assist Probiotic Recalled

On June 29, 2018, LL's Magnetic Clay, Inc., issued a recall of certain lots of Prescript-Assist, a "broad spectrum probiotic and prebiotic" supplement, because they may contain undeclared almonds, crustaceans, dairy, casein, eggs, and peanuts. 

Recalls & Warnings

April 09, 2018

Muscle and Recovery Supplements Recalled Due to Undeclared Milk

On April 6, 2018, AdvoCare International issued a recall of two lots of Muscle Strength and four lots of Nighttime Recovery dietary supplements because they may contain undeclared milk.

Recalls & Warnings

February 27, 2018

Testosterone, Thyroid, Other Supplements Recalled Due to Undeclared Milk

On February 23, 2018, Progressive Laboratories, Inc., issued a recall of the following four supplements because they may contain undeclared milk:

Recalls & Warnings

April 06, 2018

Workout Supplements Recalled Due To Allergen Risk

On April 5, 2018, Independent Nutrition Inc, dba Back to Health of Eugene., issued a recall of certain lots of Ignite High Endurance Pre-Workout Supplements because they may contain undeclared milk.

Recalls & Warnings

November 11, 2014

Seller of Sexual, Muscle Enhancement Supplements Warned for Manufacturing Violations and Drug Claims

On August 26, 2014, the FDA issued a warning letter to GE Pharma LLC following a facility inspection which found the company's products, including Fire Burn, Fire Storm, Creatine, Amino Fire, Nitric Fire, Jet Fire, Oxy Fire, HGH, Cissus, Hydro shield, Performa-Test, Raspberry Ketones, Fire Drol, ...

Recalls & Warnings

February 13, 2014

Maker of Cholesterol and Workout Supplements Warned For Manufacturing Violations, Drug Claims and Unapproved Ingredient

On January 31, 2014, the FDA issued a warning letter to Exclusive Supplements Inc.

Recalls & Warnings

December 24, 2013

Muscle Growth Supplement Linked with Liver Failure

On December 23, 2013, the FDA advised consumers to immediately stop using muscle growth supplement Mass Destruction (by Blunt Force Nutrition) because it is labeled as containing at least one synthetic anabolic steroid and has been linked to at least one reported case of liver failure.

Recalls & Warnings

April 27, 2018

Labrada LeanPro8 Protein Powders Recalled Due to Allergen Risk

On April 24, 2018, Labrada Nutrition issued a recall of certain lots of LeanPro8 protein powders because they may contain undeclared egg protein.

Recalls & Warnings

August 03, 2018

Vanilla Almond Breeze Almond Milk Recalled

On August 2, 2018, HP Hood LLC issued a recall of half-gallon (1.89 L) cartons of refridgerated Vanilla Almond Breeze almond milk because the product may contain milk, an allergen not listed on the label.

Recalls & Warnings

May 13, 2009

Body-Building Supplements Confiscated by FDA for Adulteration

On May 11, 2009, the U.S. FDA announced that U.S. Marshalls seized more than 23,300 bottles of three dietary supplement products distributed by LG Sciences LLC, of Brighton, Mich.

Recalls & Warnings

July 28, 2013

B Vitamin Supplement Found To Contain Anabolic Steroids

On July 26, 2013, the FDA warned consumers not to purchase or use Healthy Life Chemistry by Purity First B-50, a vitamin B dietary supplement which was found to contain anabolic steroids, methasterone and dimethazine.

Recalls & Warnings

February 07, 2013

Growth Factor Supplement For "Size, Strength and Stamina" Recalled Due To Potential Contamination

On January 2, 2013, EonNutra, LLC issued a voluntary recall of specific batches of Soto Supplements Growth Factor Complex 200 GFC 200 (2 fl oz.) liquid dietary supplement due to potential bacterial contamination.

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

July 26, 2013

Safety of Certain Weight Loss and Bodybuilding Supplements Called Into Question

On July 25, 2013, USA Today reported that several supplements, including weight loss, body building and sports nutrition supplements, have come under scrutiny after being found to contain illegal ingredients, or were associated with failed drug tests and adverse events.

Recalls & Warnings

August 02, 2013

Vitamin B, Vitamin C and Multimineral Supplements Recalled Due To Anabolic Steroid Risk

On July 31, 2013, Purity First Health Products, Inc.

Recalls & Warnings

August 01, 2013

Fat Loss and Muscle Enhancement Supplements Found To Contain DMAA

On June 17, 2013, the FDA issued a warning letter to Formulife, Inc., dba Purus Labs, Inc., following a facility inspection which found the dietary supplements Fat Smack XR Thermolipolytic, Muscle Marinade Fresh Fruit and Muscle Marinade Cherry Limeade to contain DMAA.

Recalls & Warnings

December 31, 2005

Ginkgo Supplements Recalled

On December 28, 2005, Jarrow Formulas issued a recall of a line of Ginkgo biloba supplements because raw material potency is below the label claim. Affected are "Ginkgo biloba 50:1" products sold in 40, 60, and 120 mg strengths and a combination product "Ginkgo Biloba 50:1 + Grape OPCs, 60 mg."

Recalls & Warnings

August 06, 2016

Some Supplements May Cause or Exacerbate Heart Failure (Includes vitamin E and many herbs)

Taking certain supplements may be dangerous for people with heart failure, according to a statement from the American Heart Association (AHA) which was published in the journal Circulation (August 2, 2016).