Fish Oil Tests Show Problems with Nearly 30% of Supplements Reviewed
Omega-3s (EPA and DHA) Evaluated in Fish, Krill, and Algal Oil Supplements for Adults, Children, and Pets

Learn How to Choose a Probiotic That's Best for You; 29 Tested
Not All Probiotics Contain Listed Ingredients -- Find Out Which Deliver!

CoQ10 and Ubiquinol Supplements Reviewed
Quality Tests of 31 Products; Comparisons of Cost, Dose, and

Is Your Vitamin D Supplement Delivering What You Expect?
Less Vitamin D Than Listed, Lead Contamination Among Problems Discovered. But Several Top-Quality Products Identified.

Calcium Supplements: Avoid Those with Lead
Find Out Which Calcium Supplements Failed our Tests and Which Passed!

Report Shows How to Choose Among High Quality Vitamin C Supplements
Vitamin C Review Reveals Major Differences in Price and Ingredients

Deficiencies Found in B-Complex Products; More Caffeine Than Expected in “Energy Shot” Drinks
Tests of B-Complexes, Energy Shots, and B-6, B-12, Thiamin, Niacin, Biotin, and Folic Acid Supplements

Find a CL Approved Alpha-Lipoic Acid Supplement at the Best Price
Alpha-Lipoic Supplements Found to Range 1,000% in Cost!

20% of Turmeric and Curcumin Supplements Fail Review
Find Out If Yours Passed and Offered the Best Value

High Price Doesn't Mean High Quality with Resveratrol Supplements!
20% of Selected Brands Flunk Resveratrol Review

Red Yeast Rice Supplements Weaken in Strength and Some Contaminated
What's in Red Yeast Rice Supplements? You Can't Tell From the Label!

Find Out if Melatonin Can Help You Sleep and Which Products Offer the Best Value!
Melatonin Sleep Supplements Tested and Reviewed

Wide Variation Found Among "Eye Health" Supplements
Lutein / Zeaxanthin / Astaxanthin Supplements Tested and Compared

Many Protein Powders and Drinks Deliver Listed Ingredients, But Some Found with Extra Sugar or Lead Contamination

See Our Ratings of Popular Coconut Water Brands -- O.N.E, Vita Coco, and Zico
Some Coconut Water Brands Don't Deliver on Promises.

Find a CL Approved Supplement That May Help with Prostate Symptoms
Some Problems Found Among Saw Palmetto and Beta-Sitosterol Supplements

22 Zinc Supplements, Lozenges, and Liquids Tested
Shop Carefully for Zinc Supplements to Get Proven Dosage and Best Price

African Mango -- Get the Facts
Can African Mango Supplements Help You Lose Weight?

Lactose Intolerance Products Found to Vary in Strength and Cost
Can Lactose-Free Milk and Supplements Help with Intolerance?

They're Popular in the Gym, But Can Nitric Oxide Supplements Help You?
Do Nitric Oxide Supplements Work?

Be Sure Your SAM-e Passed and That You're Not Paying Too Much
30% of SAM-e Supplements Selected for Review Fail Testing

Not All Vitamin A Supplement Pass Tests. Check Ratings and Prices
Vitamin A from Beta-carotene, Cod Liver Oil Tested.

L-Arginine Supplements Pass Quality Review But Dosage of Some May Not Be Effective for Expected Use
Find Out How Your Arginine Compares!

Only 30% of Selected Sexual Enhancement Supplements Pass Quality Tests
Find Out Which Male and Female Enhancement Supplements Passed or Failed

Find Out How Soy, Red Clover, Black Cohosh, and Progesterone Products Rated!
Most Menopause Supplements and Creams Approved, But Some Found Contaminated or Lacking Claimed Amount of Ingredient

Baobab - A New Superfruit?
Find Out What's In Baobab Before You Use It

50% of Vitamin K Supplements Selected for Review Fail Testing
Choose Vitamin K Products Carefully. Avoid Getting Less Ingreident Than Listed and Contamination!

100-Fold Difference Found in Cost of Iron Supplements, But Quality High
Are You Getting the Best Value and Using Right Form of Iron?

Spoilage and Labeling Errors Found with Some Omega-3 and -6 Supplements
Flaxseed, Evening Primrose, Borage, and Black Currant Oils Tested

Is Your Potassium Supplement Delivering the Best Value and Quality?
Ratings and Comparisons of 13 Brands

DHEA Supplements -- Do They Work and Which Brands Deliver?
CL Finds Just 15% of Listed DHEA in One Supplement; 11-Fold Range in Cost by Brand

Only 22% of Valerian Supplements Reviewed Pass Our Tests. Make Sure Your Brand Passed!
Little or No Herb in Some Brands, Lead Also Found

L-Tryptophan Supplements are Back -- But Are They Safe? Do They Work?

Lead and/or Cadmium Contamination Found 25% of "Greens" Powders Selected for Testing
Products Provide Plant Nutrients and Other Ingredients, But Choose Carefully!

60% of St. John’s Wort Supplements Selected for Testing Fail Quality Review
Heavy Metal Contamination and Potency Issues Raised

Some Supplements Can Help Lower Cholesterol and Reduce the Risk of Heart Disease
Find Out Which Can and Which Can Not!

Carcinogen Found in Several Chromium Supplements (Including Some for Weight Loss)
Use Our New Results to Choose Carefully

Supplements for Slimming Tested; Most Deliver Promised CLA
One Found Short on Ingredient

Milk Thistle Supplements Low in Key Component
Only 1 of 10 Products Approved for Quality

Over 400 brands tested. Chose one below or see a complete list.

Advanced BioSolutions Barlean's Bluebonnet Caltrate Carlson Centrum CosaminDS CVS Doctor's Best Douglas Laboratories Enzymatic Therapy Equate Gaia Herbs Garden of Life GNC Greens Health from the Sea Healthy Ideas Healthy Origins Jamieson Jarrow Formulas Juice Plus+ Garden Blend Julian Whitaker KAL Kirkland Kroger Kyolic Life Extension Member's Mark Metagenics Mountain Home Nutritionals Natrol Natural Factors Nature Made

Nature's Bounty Nature's Life Nature's Plus Nature's Way New Chapter Nordic Naturals NOW Foods NSI Nutralife Nutri-Supreme One-A-Day Promax Pure Encapsulations Puritan's Pride Rainbow Light Rite Aid Schiff Shaklee Solaray Solgar Source Naturals Spring Valley Standard Process Sundown Swanson Thorne Research Trader Darwin's TruNature TwinLab USANA Vitamin Shoppe Vitamin World Walgreens Weil Whole Foods More >>