Low-Thyroid

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Is Taking Multivitamins Safe?

…carotenoids and retinyl palmitate, instead of beta carotene, which is a precursor of vitamin A. The reason is that some people, especially those with low thyroid or alcoholism, can’t convert beta carotene into vitamin A. In smokers, beta carotene is converted into a carcinogen. If you take beta carotene…

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