ConsumerLab.com - independent tests and reviews of vitamin, mineral, and herbal supplements

Choose the Best CoQ10 & Ubiquinol - CoQ10 and Ubiquinol Differ in Quality, Absorption & Cost

Find the Best Glucosamine, Chondroitin, MSM, and Boswellia Supplements - Some Problems Among Supplements for Joint Pain

Best Fish Oil? See Our New Tests and Comparisons - How to Get the Right Omega-3s from Fish, Krill & Other Oil Supplements

Find the Best Apple Cider Vinegar and Avoid Problems - Some Can Be Poison

Best and Worst Quality Magnesium Supplements Identified - Avoid Magnesium Supplements With Problems

Best and Worst B Vitamins Revealed - Many B Vitamin Labels Found To Be Misleading

Is Your Dark Chocolate or Cocoa Healthful or Toxic? - Find Out What's Really in Your Dark Chocolate and Cocoa

Find Out Which Extra Virgin Olive Oils Rated Best - Some "Extra Virgin" Olive Oils May Not Be

41 Probiotic Supplements and Drinks Tested - 41 Probiotic Supplements and Drinks Tested

31% of Turmeric/Curcumin Products Fail CL's Tests - How to Choose the Best Turmeric & Curcumin

28% of Protein Powders Flunk Quality Tests - Popular Protein Powders, Shakes and Drinks Reviewed

What's Really In Green Tea? - See Our Top Picks for Green Tea Supplements, Teas, and Drinks

Learn How Much CBD Is Really in Hemp Oils & Pills - Find the Best CBD & Hemp Oils and Pills

20% of Vitamin C Supplements Fail Testing - Learn How To Choose and Best Use Vitamin C

The Best Melatonin Supplements and How to Use Them - See Our Product Tests and Expert Tips

Find Out Which Calcium Rated Best and If You Need It - Check the Quality of Calcium Supplements

Lutein, Zeaxanthin and Vision Formulas Vary Widely - Which Vision Supplement Is Right for You?

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

Most Garcinia (HCA) Supplements Fail CL's Tests - Garcinia Weight Loss Supplements Found Lacking

Resveratrol: Worth Taking? Best Supplements? - 19 Resveratrol Supplements Reviewed

41 Probiotic Supplements and Drinks Tested - 41 Probiotic Supplements and Drinks Tested

See CL's Top Pick for Ashwagandha and Learn What It Does - See the Test Results for Ashwagandha!

Best Valerian Supplements Found in Testing - Valerian "Sleep" Supplements Vary in Key Compounds

Find the Best Bone Broth with the Most Collagen - Tests Show You Can't Always Rely on Labels

Find the Best Apple Cider Vinegar and Avoid Problems - Some Can Be Poison

Problems with 46% of Multivitamins - Particularly Gummies - New Findings for Women's, Men's, Children's & Pets' Multis

The Best Melatonin Supplements and How to Use Them - See Our Product Tests and Expert Tips

Finding Real Ginkgo Isn't Easy - Many Fail Tests - Many Fail ConsumerLab's Tests of Quality

Best Fish Oil? See Our New Tests and Comparisons - How to Get the Right Omega-3s from Fish, Krill & Other Oil Supplements

The Best Iron Supplements Identified by ConsumerLab - How to Get Iron from the Best Iron Supplements

Best and Worst Quality Magnesium Supplements Identified - Avoid Magnesium Supplements With Problems

Berberine and Goldenseal - Avoid Fakes! - Berberine and Goldenseal - Do They Work? Best Brand?

Is Your Oil Supplement Fresh? Flaxseed, Hemp and More - Is Your Oil Supplement Fresh? Flaxseed, Hemp and More

Be Sure You're Avoiding Problems with Vitamin D - Find the Best Vitamin D Supplement

Zinc Lozenges and Supplements? See CL's Top Picks - Zinc Lozenges and Supplements? See CL's Top Picks

Is Your Dark Chocolate or Cocoa Healthful or Toxic? - Find Out What's Really in Your Dark Chocolate and Cocoa

Find the Best Lithium Supplement Based on Independent Tests - Find the Best Lithium Supplement Based on Independent Tests

Find the Best Creatine and BCAA Supplements - Avoid Pitfalls with Muscle Supplements

L-Arginine - Does it Work? Best Brand? - L-Arginine - Does it Work? Best Brand?

Find Out Which Calcium Rated Best and If You Need It - Check the Quality of Calcium Supplements

Does Your Vitamin K Supplement Contain What It Claims? - Find the Best Vitamin K Supplement for You, Now!

Best and Worst B Vitamins Revealed - Many B Vitamin Labels Found To Be Misleading

20% of Vitamin C Supplements Fail Testing - Learn How To Choose and Best Use Vitamin C

Half of Kelp Supplements May Not Be Safe - Caution with Kelp Supplements!

Find Out Which Extra Virgin Olive Oils Rated Best - Some "Extra Virgin" Olive Oils May Not Be

Best Choline Supplement? See Our Comparisons of Popular Brands - Find Out Which Choline is Rated Best

Choose the Best CoQ10 & Ubiquinol - CoQ10 and Ubiquinol Differ in Quality, Absorption & Cost

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

50% of Aloe Products Fail Testing - Choose Aloe Pills, Gels, and Drinks Carefully!

Arsenic Found in a Potassium Supplement - Tests and Comparisons of Potassium Supplements

Astaxanthin - Does It Help? Best Brands? - Find Out How to Get Top Quality Astaxanthin at Lower Cost

Resveratrol: Worth Taking? Best Supplements? - 19 Resveratrol Supplements Reviewed

Oats Checked for Toxin and Gluten - See Our Results for Steel-Cut, Rolled, O's, and Other Oat Cereals

Only 40% of St. John's Wort Supplements Pass Tests - 20,000% Difference in Strength of Herbal Antidepressants

Contaminants Found in Greens and Whole Food Powders - Several Greens/Whole Food Products Fail Tests

What We Found With Nattokinase Supplements May Suprise You - Nattokinase: Does It Work and Which Supplements Are Best?

Find the Best Glucosamine, Chondroitin, MSM, and Boswellia Supplements - Some Problems Among Supplements for Joint Pain

Inaccurate Labels on 36% of Meal Powders & Shakes - Meal Replacement Products Tested and Compared

28% of Protein Powders Flunk Quality Tests - Popular Protein Powders, Shakes and Drinks Reviewed

Tests Show Large Difference Among Ginger Supplements and Ales - Get the Right Ginger

80% of Milk Thistle Supplements Fail Tests of Quality! - Most Milk Thistle/Liver Formula Products Low in Key Component

Many Failures Among Supplements for Joint Disease in Dogs and Cats - Choose Joint Supplements for Pets Carefully!

22% of Rhodiola Supplements Fail Review - Learn About Rhodiola and Our Top Picks

Is Your Dark Chocolate or Cocoa Healthful or Toxic? - Find Out What's Really in Your Dark Chocolate and Cocoa

Echinacea for Colds - Which Supplements Are Best? - Tests of Echinacea Pills and Liquids

Lysine Supplements for People and Pets Tested and Compared - Does Lysine Work for Cold Sores? Which Product Are Best?

Be Sure Your SAM-e Passed and You're Not Overpaying - SAM-e for Osteoarthritis and Depression Tested

Major Differences Discovered Among Cinnamon Supplements and Spices - Be Careful Choosing Cinnamon

Lutein, Zeaxanthin and Vision Formulas Vary Widely - Which Vision Supplement Is Right for You?

41 Probiotic Supplements and Drinks Tested - 41 Probiotic Supplements and Drinks Tested

What's Really In Green Tea? - See Our Top Picks for Green Tea Supplements, Teas, and Drinks

Problems Found Among Prostate Supplements - Find a CL Approved Supplement That May Help with Prostate Symptoms

Do You Need Vitamin E? Which Supplements Are Best? Find Out - Get the Scoop on Vitamin E and Product Ratings & Comparisons

L-Theanine -- Does It Reduce Stress? Which Brands Are Best? - Learn About L-Theanine and the Differences in Supplements

Learn Which Maca Supplements Passed or Failed CL Testing and the Evidence Behind Maca - Tests of Maca -- Popular for Stamina / Sexual Enhancement

Find Out Which Soy Isoflavone, Red Clover, Black Cohosh, or Progesterone Products Have What You Want! - Tests Reveal What's Really In Menopause Supplements

DHEA Supplements -- Do They Reverse Signs of Aging? - Use and Choose DHEA Supplements Carefully!

Best and Worst Quality Magnesium Supplements Identified - Avoid Magnesium Supplements With Problems

The Best Melatonin Supplements and How to Use Them - See Our Product Tests and Expert Tips

How Active Is Your Digestive Enzyme Supplement? - Some Enzyme Labels Won't Tell You, But We Do

Choose the Best CoQ10 & Ubiquinol - CoQ10 and Ubiquinol Differ in Quality, Absorption & Cost

Cod Liver Oil, Beta-carotene, Other Vitamin A Supplements Reviewed - Be Careful with Vitamin A Supplement Dosage!

Garlic May Help, But 40% of Supplements Fail Testing - Learn More About Garlic and Find the Best Supplements

The Best Iron Supplements Identified by ConsumerLab - How to Get Iron from the Best Iron Supplements

Find the Best NAC Supplements at Lowest Cost - N-Acetyl Cysteine (NAC) Supplements Tested

What's in Red Yeast Rice Supplements? Labels Won't Tell, But We Will - Some Red Yeast Rice 500X Stronger Than Others!

Find Out Which Cholesterol Lowering Supplements Are Best! - Some Supplements Can Help Lower Cholesterol and Reduce the Risk of Heart Disease

CLA "Slimming" Supplements Tested - Less CLA Than Expected in Some Products

Which Weight Loss Supplements Work and Passed Testing? - See Results for Herbal Blends and 7-Keto DHEA Weight Loss Supplements

Most Garcinia (HCA) Supplements Fail CL's Tests - Garcinia Weight Loss Supplements Found Lacking

25% of Ginseng Supplements Low in Strength - Tests and Comparisons of Korean, Chinese & American Ginseng

Best Valerian Supplements Found in Testing - Valerian "Sleep" Supplements Vary in Key Compounds

See Our Picks for Protein, Energy, Fiber & Whole Food Bars - How Does Your Nutrition Bar Stack Up?

Resveratrol: Worth Taking? Best Supplements? - 19 Resveratrol Supplements Reviewed

Arsenic Found in a Potassium Supplement - Tests and Comparisons of Potassium Supplements

Only 75% of Bilberry Supplements Pass Tests - Watch Out for Fake Bilberry Supplements

Test Results for 13 Lycopene Supplements - Lycopene Supplements Vary in Quality and Price

Find Out Which Green Coffee Bean Extracts Passed or Failed - 50% of Green Coffee Supplements Lack Expected Ingredients for Weight Loss

Not All Selenium Supplements Deliver Promised Ingredient - Check Your Selenium Supplement in Our Report

Huperzine A Supplements -- Potential Help for Alzheimer's Disease - Find Out Which Huperzine A Supplements Are CL Approved

Acetyl-L-Carnitine Supplements Tested - Quality is High, But So Are Prices -- We Found the Best Value

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?

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

Choose the Best L-Tryptophan and 5-HTP Supplements - CL Identifies High Quality L-Tryptophan Supplements and 5-HTP at the Best Value