Why haven't more consumers been told these facts?

Vitamins, herbs, and other supplements are not regularly tested by any government organization. Only ConsumerLab.com continually evaluates nutritional supplements in a laboratory environment. It also investigates problems with drugs. Since 1999, it has tested more than 2,000 products!

Get the facts!

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	NATURAL TREATMENT ENCYCLOPEDIA
	In addition to CL's reviews, search one of the best science-based encyclopedias of vitamins, minerals, herbs, and non-herbal ingredients. Includes drug interactions and indexing by medical condition. Click here for an index.

	ATHLETIC BANNED SUBSTANCE TESTS
	Click here for products screened for substances banned in athletic competition.

 

	LATEST RESULTS
	Only Two-Thirds of Alpha-Lipoic Acid Supplements Selected for Testing Pass Quality Review Anti-oxidant Useful in Diabetes and Other Conditions Saw Palmetto and Beta-Sitosterol Supplements May Improve Symptoms of Prostate Enlargement, But Some Products Miss the Mark Test Results and Reviews for 19 Saw Palmetto and Beta-Sitosterol Supplements

MOST POPULAR REVIEWS

Is Your Multivitamin Safe? New Report Uncovers Problems with Over 30% of Multivitamins and Safety Concerns

Biggest Test of Omega-3 / Fish Oil Supplements
Evaluations of 57 Capsules, Liquids, Fortified Foods and Beverages

Contamination and Mislabeling Discovered in Over 20% of Arthritis Supplements Selected for Review
Glucosamine, Chondroitin, MSM Supplements Tested

What Dose of CoQ10 to Take? What Form to Use?
New Report Gives Guidance -- 39 CoQ10 and Ubiquinol Supplements Tested.

Major Differences Found in Cholesterol-Lowering Red Yeast Rice Supplements
Statin Levels Vary 100-Fold; Contamination in 4 of 10 Products

Many Probiotics Lack Expected "Helpful" Bacteria
Test Results for 22 Supplements

Some Resveratrol Supplements Deliver Less Ingredient Than Expected
Test Results for 15 Products

50-Fold Dosage Range Found Across Vitamin D Supplements
Pick the Right Dose and Form. Avoid Defects.

	RECALLS & WARNINGS
	FDA Warns that "Stiff Nights" Enhancement Supplement Contains Undeclared Drug

OTHER RECENT PRODUCT TESTS

The Truth about Acai Berry Supplements and Beverages
No Contaminants, But Some with Laxatives or Caffeine, Disturbing Business Practices and More. What We Found.

Some "Natural" Vitamin E Oils Found to be Synthetic
Test Results for 24 Vitamin E Supplements, Oils, and Creams

Review of Pet and Horse Supplements for Joint Pain Finds Only 5% to 17% of Promised Ingredients in Some Products
Products for Dogs, Cats, and Horses Covered

One Quarter of Magnesium Supplements Fail Quality Tests
Some Provide Less Than Half the Promised Amount

Does Your Calcium/Bone Health Supplement Deliver What You Expect? Read the Report!
Find Out Which Calcium Supplements Are Missing Ingredients. Choose the form best for you.

Supplements May Reduce Risk of Cancer
But 40% of Green Tea and Selenium Pills Fail CL's Tests

Many Vitamin K Supplements Provide Less Ingredient Than Labeled
Read the Report to Find Out Which Passed or Failed. Be Aware of K1 and K2 Potency Differences!

Vitamin C Supplement Found With Less Than Half of Claimed Amount; Others Pass Tests
Results for 23 Products — Some Exceed Tolerable Levels

How Does Your Nutrition Bar Stack Up?
Tests and Comparisons of Bars for Energy, Fiber, Protein, Meal-Replacement, and Snack

Problems Reported with Generic Antidepressant
Tests Show Generic Bupropion Behaves Differently Than Original Wellbutrin XL

Adulteration Suspected with Some Memory Supplements
Ginkgo, Huperzine A, and Acetyl-L-Carnitine Supplements Tested

Trouble Sleeping? Melatonin May Help
See Which Melatonin Supplements Passed CL's Tests!

More Product Tests -- Click Here!