Join over 90,000 Members

Find the best products with instant access to our latest tests & reviews of over 1,300 health products.

Save money by finding high-quality products at lower cost.

Be alerted to new clinical findings & warnings.

See answers from our experts.

Stay informed with our e-newsletter.

Join Now

See Our Reviews of Popular Supplements and Nutritional Products

Vitamin B-12

B Vitamin Supplements

 Collagen

Collagen Supplements

 Fish Oil (DHA & EPA)

Fish Oil /Omega-3 Fatty Acid Supplements

 Magnesium

Magnesium Supplements

 Melatonin

Melatonin Supplements

 Multivitamins/Multiminerals

Multivitamin and Multimineral Supplements

 Probiotics

Probiotics

 Turmeric/Curcumin

Turmeric and Curcumin Supplements and Spices

 Vitamin C

Vitamin C

 Vitamin D

Vitamin D Supplements

 Zinc

Zinc Supplements and Lozenges

 All Reviews A-Z

All Products
A to Z

Recent Answers

Product Review - Are light boxes effective for preventing and treating seasonal affective disorder (SAD), also known as "winter depression"? Which light boxes are best?

Are light boxes effective for preventing and treating seasonal affective disorder (SAD), also known as "winter depression"? Which light boxes are best?

Learn about the benefits and safety of light boxes (including who is most likely to benefit), how to use these devices, which commercially available products appear to meet the technical requirements, and who should not use light boxes.
Product Review - Do any supplements help with the coronavirus (COVID-19)? Do supplements like vitamin D, zinc, vitamin C, or herbals work?

Do any supplements help with the coronavirus (COVID-19)? Do supplements like vitamin D, zinc, vitamin C, or herbals work?

Find out if natural remedies & supplements for coronavirus such as zinc, vitamin C, garlic, or elderberry help to prevent or treat COVID-19. ConsumerLab's answer explains.
Product Review - How do COVID-19 vaccines from Pfizer and Moderna differ? How, when and where do I get the COVID-19 vaccine?

How do COVID-19 vaccines from Pfizer and Moderna differ? How, when and where do I get the COVID-19 vaccine?

Find out how the COVID-19 vaccines from Pfizer and Moderna compare and learn how when and where you can get the COVID-19 vaccine.
Product Review - Do any supplements naturally suppress appetite and help with weight loss?

Do any supplements naturally suppress appetite and help with weight loss?

Learn which natural ingredients can suppress appetite and find if these natural appetite suppressants help with weight loss.
Product Review - Can supplements improve symptoms of dry eye?

Can supplements improve symptoms of dry eye?

Can supplements such as fish oil, flaxseed oil or curcumin (from turmeric) help treat dry eyes? Find out, including formulas and doses that have shown benefit.
Product Review - Is magnesium citrate safe? I heard that it might cause damage to the esophagus.

Is magnesium citrate safe? I heard that it might cause damage to the esophagus.

Find out if magnesium citrate is safe to use or if it causes damage to the esophagus.
Product Review - Should olive oil be refrigerated?

Should olive oil be refrigerated?

Learn if you should store olive oil in the refrigerator to keep it fresher longer.

 All CL Answers

Recent Answers

Product Review - Are light boxes effective for preventing and treating seasonal affective disorder (SAD), also known as "winter depression"? Which light boxes are best?

Are light boxes effective for preventing and treating seasonal affective disorder (SAD), also known as "winter depression"? Which light boxes are best?

Learn about the benefits and safety of light boxes (including who is most likely to benefit), how to use these devices, which commercially available products appear to meet the technical requirements, and who should not use light boxes.
Product Review - Do any supplements help with the coronavirus (COVID-19)? Do supplements like vitamin D, zinc, vitamin C, or herbals work?

Do any supplements help with the coronavirus (COVID-19)? Do supplements like vitamin D, zinc, vitamin C, or herbals work?

Find out if natural remedies & supplements for coronavirus such as zinc, vitamin C, garlic, or elderberry help to prevent or treat COVID-19. ConsumerLab's answer explains.
Product Review - How do COVID-19 vaccines from Pfizer and Moderna differ? How, when and where do I get the COVID-19 vaccine?

How do COVID-19 vaccines from Pfizer and Moderna differ? How, when and where do I get the COVID-19 vaccine?

Find out how the COVID-19 vaccines from Pfizer and Moderna compare and learn how when and where you can get the COVID-19 vaccine.
Product Review - Do any supplements naturally suppress appetite and help with weight loss?

Do any supplements naturally suppress appetite and help with weight loss?

Learn which natural ingredients can suppress appetite and find if these natural appetite suppressants help with weight loss.
Product Review - Can supplements improve symptoms of dry eye?

Can supplements improve symptoms of dry eye?

Can supplements such as fish oil, flaxseed oil or curcumin (from turmeric) help treat dry eyes? Find out, including formulas and doses that have shown benefit.
Product Review - Is magnesium citrate safe? I heard that it might cause damage to the esophagus.

Is magnesium citrate safe? I heard that it might cause damage to the esophagus.

Find out if magnesium citrate is safe to use or if it causes damage to the esophagus.
Product Review - Should olive oil be refrigerated?

Should olive oil be refrigerated?

Learn if you should store olive oil in the refrigerator to keep it fresher longer.

 All CL Answers

Special Topic

covid-19-sidebar-widget.png

Answers to Critical Questions About COVID-19.

Upcoming Reviews

  • Resveratrol Supplements (Grape, Red Wine, and Polygonum Sources)
  • Echinacea Supplements
  • Prostate Supplements
  • Avocado Oils
  • Extra Virgin Olive Oil
  • Psyllium Supplements

Clinical Updates

All Clinical Updates
rdas.png

Find out your recommended daily amounts of vitamins and minerals.

See Your Nutrient Values

Clinical Updates

All Clinical Updates

Recalls & Warnings

All Recalls

Special Topic

covid-19-sidebar-widget.png

Answers to Critical Questions About COVID-19.

Upcoming Reviews

  • Resveratrol Supplements (Grape, Red Wine, and Polygonum Sources)
  • Echinacea Supplements
  • Prostate Supplements
  • Avocado Oils
  • Extra Virgin Olive Oil
  • Psyllium Supplements

Join over 200,000 people on our weekly email list.

Recalls & Warnings

All Recalls
healthline.png readers-digest.png good-housekeeping.png us-news.png time.png