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

See Our Vitamin C Top Picks for Different Uses - Find the Best Vitamin C Supplements

Zinc Lozenges and Supplements? See CL's Top Picks - CL's Tests Reveal the Best Zinc Products

Find the Best Tuna and Salmon and Avoid Mercury - Labels Won't Tell, But We Will

Big Differences in Turmeric and Cucurmin Products - How to Choose the Best Turmeric & Curcumin

Which CoQ10 & Ubiquinol Supplements Are Best - Find the Best CoQ10 & Ubiquinol

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

Best Fish & Marine Oils - Similar to Omega-3 Prescription Drugs - How to Get the Right Omega-3s from Fish, Krill & Other Oil Supplements

Problems Found with 44% of Multivitamins - New Findings for Women's, Men's, Children's & Pets' Multis

Joint Pain? See Our Top Supplement Picks - Some Problems Among Supplements for Joint Pain

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

The Best Melatonin Supplements and How to Use Them - The Best Melatonin Supplements

The Best & Worst Magnesium Supplements - Avoid Magnesium Supplements With Problems

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

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

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

35 Probiotics Tested -- See Our Top Picks - See Our Tests of Popular Probiotics and CL's Top Picks

See Which Protein Powders and Drinks Rated Best - Popular Protein Powders, Shakes and Drinks Reviewed

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

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

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

See Which Vision Supplement Is Best for You - Which Vision Supplement Is Right for You?

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

Elderberry Supplements for Colds and Flu? - Elderberry Supplements for Colds and Flu?

Vitamin D: Get the Right Amount and See Our Top Pick - Find the Best Vitamin D Supplements

The Best Melatonin Supplements and How to Use Them - The Best Melatonin Supplements

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

See Which Protein Powders and Drinks Rated Best - Popular Protein Powders, Shakes and Drinks Reviewed

Lead Found in Chia Seeds -- See Which Passed or Failed - Chia Seed Products Reviewed - Whole, Sprouted, and More

Most Holy Basil Supplements Fail Tests. Choose Wisely. - Holy Basil

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

Collagen for Wrinkles? See Our Product Reviews - Choose the Best Collagen

The Best & Worst Magnesium Supplements - Avoid Magnesium Supplements With Problems

Big Differences in Turmeric and Cucurmin Products - How to Choose the Best Turmeric & Curcumin

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

Do You Need a Vitamin K Supplement? See Our Review - Find the Best Vitamin K Supplement for You, Now!

Boron Supplements Tested -- See What We Found - Avoid Boron Supplements With Problems

See Which Vision Supplement Is Best for You - Which Vision Supplement Is Right for You?

Best & Worst Nutrition Bars and Cookies (For Protein and More) - How Does Your Nutrition Bar Stack Up?

See How Reishi Supplements Differ and Which Are Best - Reishi Mushroom Supplements Vary in Quality and Price

Which CoQ10 & Ubiquinol Supplements Are Best - Find the Best CoQ10 & Ubiquinol

19% of B Vitamins Fail Our Review. See Which Are Best. - 19% of B Vitamins Fail Our Review.

Cholesterol-Lowerers Reviewed. See Our Top Picks. - Find Out Which Supplements Can Help Lower Cholesterol

Big Differences Found Among Digestive Enzyme Supplements - Some Enzyme Labels Won't Tell You, But We Do

Best Coconut Water? See Our Tests and Comparisons - Ratings of Popular Coconut Waters -- Avoid Excess Sugar

Do You Need Selenium? See Our Top Pick. - Check Your Selenium Supplement in Our Report

Be Careful with Weight Loss Supplements! - See Results for 7-Keto DHEA, Forskolin, and Herbal Blend Supplements

Best Coconut Oil vs. MCT Oil? See How They Compare. - Find Out What's Really in Coconut and MCT Oils

Quercetin Supplements Differ - Learn Which Are Best - Best Quercetin Supplements -- and at Lowest Cost

Greens & Whole Food Powders Checked for Contaminants - Greens & Whole Food Powders Checked for Contaminants

N-Acetyl Cysteine (NAC): Does It Work? Which Are Best? - N-Acetyl Cysteine (NAC) Supplements Tested

Not All Lycopene Pills Deliver -- See How They Vary - Lycopene Supplements Vary in Quality and Price

Best Fish & Marine Oils - Similar to Omega-3 Prescription Drugs - How to Get the Right Omega-3s from Fish, Krill & Other Oil Supplements

Find the Best Tuna and Salmon and Avoid Mercury - Labels Won't Tell, But We Will

Taurine for Heart and Liver Disease in People, Dogs & Cats - Taurine for Heart and Liver Disease in People, Dogs & Cats

Joint Pain? See Our Top Supplement Picks - Some Problems Among Supplements for Joint Pain

Know When to Take Vitamin A and Which Products Are Best - Be Careful with Vitamin A Supplement Dosage!

Joint Health Supplements for Dogs and Cats - Choose Joint Supplements for Pets Carefully!

Few Red Yeast Rice Supplements Provide Effective Dose - Some Red Yeast Rice 15X Stronger Than Others!

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

Chromium Supplements: Find Out Which Are Best - Some Chromium Supplements Contain More Than You Want

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

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

The Best Melatonin Supplements and How to Use Them - The Best Melatonin Supplements

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

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

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

Zinc Lozenges and Supplements? See CL's Top Picks - CL's Tests Reveal the Best Zinc Products

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?

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

Which CoQ10 & Ubiquinol Supplements Are Best - Find the Best CoQ10 & Ubiquinol

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

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

Greens & Whole Food Powders Checked for Contaminants - Greens & Whole Food Powders Checked for Contaminants

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

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

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

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

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

See Which Vision Supplement Is Best for You - Which Vision Supplement Is Right for You?

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!

Cholesterol-Lowerers Reviewed. See Our Top Picks. - Find Out Which Supplements Can Help Lower Cholesterol

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

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

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

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

Not All Lycopene Pills Deliver -- See How They Vary - 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

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