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Product Review

Multivitamin and Multimineral Supplements Review

Best Multivitamins -- Caution with Gummies

CL Answer

Is Folic Acid the Same Thing as Folate?

There are important differences between folic acid and folate, including how well these forms of vitamin B-9 are absorbed, dosage, and how much is too much. Get the details, including what to look for on supplement labels, in our article about folic acid and folate.

CL Answer

I was told I have a MTHFR gene mutation. Do I need to take methylated forms of B vitamins, such as methylfolate and methylcobalamin?

MTHFR gene mutation can impact B vitamin bioavailability. Learn more about this and which deficiencies are more likely to occur.

CL Answer

Can prenatal vitamins have too much folic acid? Mine has 800 mcg, but isn't that more than what's recommended? Is this dangerous to me or my baby?

Is it possible for prenatal vitamins to have too much folic acid? Find out the correct dosage so that it is not dangerous to babies.

CL Answer

What is Metafolin (5-methylfolate)? I see it in some supplements instead of folic acid. Is it better than folic acid?

Metafolin and Quatrefolic information - compare to folate and folic acid.

CL Answer

I take fluoxetine (Prozac), a SSRI drug to treat depression. Are there supplements I should avoid, or be taking, due to this drug?

Learn about Prozac (fluoxetine) drug interactions along with other supplements and SSRIs.

CL Answer

What are the best supplements for depression and anxiety?

Best natural supplements for depression and anxiety, including the evidence for fish oil, vitamin D, probiotics, and herbal supplements for depression such as curcumin (from turmeric) and saffron.

CL Answer

Why does my multivitamin make me nauseous? Is there anything that can help?

Find out if ingredients in multivitamins can cause nausea and gastrointestinal discomfort.

Product Review

Protein Powders, Shakes, and Meal Replacements Review

Find Out Which Protein Products Passed or Failed Our Tests

CL Answer

What B-vitamin complex do you recommend for older people?

Vitamin B complex supplement recommendations, benefits and top rated brands for older people and all ages.

News Release

October 17, 2024

Not All B Vitamin Supplements Contain What They Claim, According to ConsumerLab Tests

White Plains, NY, October 17, 2024 —  Recent ConsumerLab tests revealed that 19% of popular B vitamin complexes and individual B vitamin supplements selected for testing contained far less, or far more of one or more B vitamins than claimed on the label.

News Release

June 14, 2022

Best B Complexes, B12, and Other B Vitamin Supplements Revealed by ConsumerLab Tests: Beware of High Doses

  White Plains, New York, June 14, 2022 — Recent ConsumerLab tests of over 30 popular vitamin B complexes and supplements revealed that four products contained either much less, or much more, of at least one B vitamin listed on the label.

News Release

February 12, 2021

Don't Be Surprised by New Labels on Many Vitamins

White Plains, New York, February 12, 2021 — It took almost four years, but more accurate labels on vitamin and mineral supplements are finally here and consumers should not be surprised to see changes, says Tod Cooperman, M.D., president and founder of ConsumerLab.

News Release

June 25, 2019

ConsumerLab Tests Reveal Best B Vitamin Supplements -- 19% of B Vitamin Supplements Fail CL's Tests of Quality

White Plains, New York, June 25, 2019 — B vitamins and complexes are among the most popular supplements sold in the U.S. because B vitamins are essential for a wide range of functions in the body.