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Product Review
Saffron Supplements Review
See How Saffron Supplements Compare and What They Do
Product Review
Alginate Supplements Review (For Reflux)
See Our Top Pick Alginate Supplements For Reducing Symptoms of Gastroesophageal Reflux (GERD)
Product Review
Alpha Lipoic Acid Supplements Review
Choose the Best Alpha-Lipoic Acid Supplement — See the Amounts of Active "R-Isomer" We Found
Product Review
Ginkgo (Ginkgo Biloba) Supplements Review
Choose the Best Ginkgo Biloba Supplement. Finding Real Ginkgo Isn't Easy — 60% Fail ConsumerLab's Tests of Quality.
Product Review
Vision Supplements Review (with Lutein, Zeaxanthin & AREDS2 Formulas)
Find the Best Vision Supplement Based Our Tests
Product Review
Green Tea Review: Tea Bags, Matcha Powders, and Supplements
Some green teas provide barely any green tea polyphenols, while some others are high strength. See the Test Results and Our Top Picks for Green Tea.
Product Review
L-Theanine Supplements Review
Touted for Stress Relief, Do L-Theanine Supplements Work?
Product Review
Extra Virgin Olive Oil Review
Many Extra Virgin Olive Oils Don't Seem to Make the Grade
Product Review
Potassium Iodide (KI) and Iodate (KIO3) Radioprotective Pills Review
Learn How to Choose the Best Radioprotective Iodine Pill and Use It Properly
Product Review
Garlic Supplements Review
Find the Best Garlic Supplements. CL Tests Reveal Big Differences in Garlic Strength -- Some Have Little to No Garlic!.
Product Review
Resveratrol Supplements Review (From Red Wine, Knotweed, and Other Sources)
See Which Resveratrol Supplements Were Best In Our Tests and Comparisons. Learn What Resveratrol Can and Can't Do.
Product Review
Ashwagandha Supplements Review
Find the Best Ashwagandha Supplement. Only 56% of Ashwagandha Products Pass Tests.
Product Review
Bilberry Supplements Review
Choose the Best Bilberry Supplement. Some Bilberry Is Not Authentic!
Product Review
Melatonin Supplements Review
Trouble Sleeping? See CL's Tests of Melatonin Supplements and Top Picks.
Product Review
NAC (N-Acetyl Cysteine) Supplements Review
Choose the Best N-Acetyl Cysteine Supplement. See Our Tests of Popular NAC Supplements and Top Picks for Quality and Value.
Product Review
Vitamin D Supplements Review (Including Calcium, Magnesium, Boron, and Vitamin K)
Find the Best Vitamin D Supplement with the Right Dose
Product Review
NAD Booster Supplements Review (NAD+/NADH, Nicotinamide Riboside, and NMN)
How Important Is Boosting NAD+ Levels? Find Out and Learn How Booster Supplements Compare.
Product Review
Weight Loss Supplements Review (7-Keto DHEA, Forskolin and Stimulant Blend Supplements)
Choose the Best Weight Loss Supplement. Be Careful With Weight Loss Supplements — Few Pass Quality Testing and Safety Review.
Product Review
Iron Supplements Review (Iron Pills, Liquids and Chews)
See Which Iron Supplements Are CL's Top Picks for Different Needs
Product Review
DHEA Supplements Review
Choose the Best DHEA Supplement. Beware of Big Differences in Dose and Price.
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.
Product Review
Joint Health Supplements Review (Glucosamine, Chondroitin, MSM, Boswellia, Collagen and Turmeric)
One-Third of Joint Health Supplements Failed to Pass Our Tests. See Which Passed or Failed, and our Top Picks.
Product Review
CoQ10 and Ubiquinol Supplements Review
Find the Best CoQ10 and Ubiquinol Supplements and Learn How They Differ
Product Review
Magnesium Supplements Review
Find Out What Magnesium Does, Who Needs It, and Our Top Picks Among Supplements
Product Review
Prostate Supplements Review (Saw Palmetto and Beta-Sitosterol)
Find the Best Prostate Supplement for Symptoms of BPH. See Which Prostate Supplement Passed or Failed CL's Tests of Quality.
Product Review
Black Currant Oil, Borage Oil, Evening Primrose Oil, Flaxseed Oil, and Hemp Oil Supplements Review: Sources of ALA and GLA (Omega-3 and -6 Fatty Acids)
Choose the Best Seed Oil Supplements. Find Out Which Flaxseed and Other Seed Oil Supplements Passed Our Tests.
Product Review
Quercetin & Rutin Supplements Review
Quality's a Concern With Quercetin and Rutin Supplements -- Only 17% of Claimed Amount In One
Product Review
Vitamin K Supplements Review (Including Calcium, Magnesium, Boron, and Vitamin D)
Should You Take Vitamin K? Beware of Products That Don't Deliver.
Product Review
Vitamin E Supplements Review
Find the Best Vitamin E Supplement. Tests and Reviews of Popular Vitamin E Supplements & CL's Top Picks.
Product Review
PQQ (Pyrroloquinoline Quinone) Supplements Review
Learn What PQQ Does and Which PQQ Supplements are Best
Product Review
Green Coffee Bean Extract Supplements Review (for Weight Loss)
Choose the Best Green Coffee Bean Extract. 50% of Green Coffee Bean Extract Supplements Don't Deliver Expected Ingredients.
Product Review
Phosphatidylserine (PS) Supplements
Find out if phosphatidylserine helps with memory and which products are best.
Product Review
Calcium and Bone Health Supplements Review (Including Vitamins D & K, Magnesium and Boron)
See Which Bone Health Supplements Are Top Picks and Which Fail
Product Review
Boron Supplements Review (Including Calcium, Magnesium, and Vitamins D & K)
Is Boron Needed for Bone Health? Find Out and See Our Top Pick Among Supplements
Product Review
L-Lysine Supplements Review
Read L-Lysine Labels Carefully. Some Can Fool You.
Product Review
Multivitamin and Multimineral Supplements Review
Best Multivitamins In 2023 -- Caution with Gummies
Product Review
Turmeric and Curcumin Supplements and Spices Review
See Our Top Picks Among Turmeric Products
Product Review
Selenium Supplements Review
Choose the Best Selenium Supplement. Find Out If You Need Selenium and Which Supplement Is Our Top Pick.
Product Review
B Vitamin Supplements Review (B Complexes, B6, B12, Biotin, Folate, Niacin, Riboflavin & More)
See Which B Vitamins Are ConsumerLab's Top Picks!
Product Review
Fish Oil, Krill Oil, and Algal Oil Omega-3 (DHA & EPA) Supplements Review
See Our Omega-3 Top Picks and Avoid Rancid Fish Oils.
Product Review
Collagen Supplements Review
See our Top Picks for Wrinkles and Joints
Product Review
Zinc Supplements and Lozenges Review
Find the Best Zinc Supplements and Lozenges. Have a Cold? See CL's Top Picks Among Zinc Supplements and Lozenges.
Product Review
African Mango (Seed Extract) Supplements for Weight Loss Review Article
Do African Mango Supplements Really Work For Weight Loss? Learn More About Choosing the Best African Mango Supplement: Evidence, Safety, Side Effects & More.
Product Review
Astaxanthin Supplements Review
See Which Astaxanthin Products Passed or Failed CL's Tests
Product Review
Menopause Supplements Review (Soy and Red Clover Isoflavones, Black Cohosh) and Progesterone Creams
Choose the Best Menopause Supplement. Find Out Now Which Soy Isoflavone, Red Clover, Black Cohosh, and Progesterone Products Have the Active Compounds You Want!
