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Question:
Can supplements with antioxidants like beta-carotene and vitamins A and E cause you to die sooner?

Answer:
A review of many clinical studies found slightly increased mortality (i.e., more people died during studies) associated with the use of supplements containing beta-carotene and possibly vitamin E and higher doses of vitamin A.  Similarly, a study found that high levels of vitamin E and vitamin A in the blood are associated with a greater mortality risk than moderate levels. Get the details in the Full Answer >>


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Ann 193   October 5, 2014
A popular figure in the world of supplements sells (quite expensive) multivitamin-mineral capsules for daily use that contain no folic acid. In his view only dietary folate from vegetables is free from potentially harmful effects. (In addition the multis have no beta-carotene or vitamins A and E because of purported adverse effects.) However, my last blood work while taking these showed high homocysteine levels (first time this has occurred). This can't be good. Question: how do I get enough folate when obviously my veggie consumption, which is about all I can eat, isn't nearly enough? Is folic acid that harmful?

ConsumerLab.com   October 9, 2014
Hi Ann - Thank you for your question. We've answered it here: https://www.consumerlab.com/answers//too_much_folic_acid/

This CL Answer initially posted on 4/4/2012. Last updated 8/8/2017.

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