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CL Answers (16)

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

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?

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?

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

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

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?

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

Do hair loss supplements work, such as Viviscal?

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

Are lozenges and sublingual pills considered dietary supplements?

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

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

Is there a risk of liver toxicity with certain supplements?

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

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

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