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Showing Results for review best b vitamins and complexes energy b6 b12 biotin niacin folic acid/bvitamins

CL Answers (16)

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The danger of taking too much vitamin B-12 -- bottle of vitamin B-12 with pills on the table spelling out 'B-12'

Can taking too much vitamin B-12 be dangerous? The label on my B-complex states it contains 50,000% of the Daily Value!

Find out the daily value for vitamin B-12 and the potential side effects of taking too much B-12. ConsumerLab explains why taking too much vitamin B-12 can be harmful.
Vitamin B-12

I'm over 50 and looking to take a vitamin B-12 supplement. Many contain a form of vitamin B-12 called cyanocobalamin, yet I read on the Internet that this form is toxic. Should I be concerned?

Looking to see if the cyanocobalamin form of vitamin B-12 is safe? Read research and safety information on ConsumerLab's report.
B Vitamins

I thought the B vitamins were all water soluble and did not build up in the body, so you would not build up toxic levels. Am I wrong?

Learn more about water-soluble B vitamins including niacin, B6, B12 and folic acid, and why taking too much of these vitamins can be toxic. See the symptoms of overdose and toxicity from B vitamins. ConsumerLab.com's answer explains.

Harm from Too Much Folic Acid ? -- Multivitamin bottle and label

The maker of my multivitamin says it doesn't include folic acid because too much from supplements can be harmful. Is that true?

Learn more about the harmful effects from too much folic acid, including increased risk of prostate cancer and kidney damage.

Are the "% DV" numbers on vitamin supplement labels really based on what I need?

Learn more about percent daily values, including if they are good standards of measure or if better upper and lower limits exist.
Too Much Folic Acid in Prenatal Vitamins? -- Pregnant woman taking supplements

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.
hand holding vitamin D and fish oil capsules

Is it okay to take vitamin D3 and fish oil together?

Find out if taking vitamin D and fish oil is okay, how it effects absorption, and the best way to take vitamin D to improve absorption. ConsumerLab.com's answer explains.

Can taking too much vitamin B-6 be dangerous? The label on my multivitamin states it contains 2000% of the Daily Value!

Find out if multivitamins contain excessive amounts of B-6, how much B-6 is too much, and symptoms of toxicity and overdose.
Supplements for Hair Loss -- woman looking at hairbrush

Do hair loss supplements work, such as Viviscal?

Vitamins and supplements that may help with hair loss and thinning, including saw palmetto, beta-sitosterol, protein, iron, and vitamin D.

Does nicotinamide riboside (as in Niagen and Basis) really have anti-aging or other health benefits?

Niagen (Nicotinamide riboside) information, including if it actually provides anti-aging or other health benefits. ConsumerLab explores this question.

Are lozenges and sublingual pills considered dietary supplements?

Learn more about lozenges and sublingual pills (such as echinacea, zinc and B12) including safety warnings.
Multivitamins with 100% Daily Requirements -- magnifying glass held over multivitamin pills

Is there a multivitamin that contains only the recommended daily vitamins and minerals? Most that I have looked at contain more.

Are there any multivitamins that contain only the recommended daily vitamins and minerals? Choose the best multivitamin based on age & gender.

Is there a risk of liver toxicity with certain supplements?

Find out if there is risk of liver damage from supplements such as green tea, niacin, red yeast rice and vitamin A.
Statin Interactions With Supplements -- close-up of statin medication box and tablets

When taking a statin drug like Lipitor or Crestor, are there supplements I should avoid or take?

Learn about the interactions between certain supplements and atorvastatin (Lipitor), rosuvastatin (Crestor), and other cholesterol-lowering statins.

Which supplements can help lower cholesterol and keep my heart healthy? Are there any to avoid?

Information about heart health supplements & vitamins that help with cholesterol, including sterol esters, CoQ10, and vitamin D, and which may be bad for the heart, like calcium.
Coronavirus (COVID-19) Tests: How and Where to Get -- COVID-19 Test Tube and Swab

How can I get tested for the coronavirus? Can I get an at-home test for COVID-19? Which are the best tests? Are any tests free?

Coronavirus (COVID-19) Tests: Where to get COVID-19 tests, including information about free testing, home testing and more. Information about SARS-CoV-2 virus tests, antibody tests and FDA approved tests.
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