Eli5: [ELI5] What qualifies a chemical or mineral as a “vitamin?” Are all vitamins good for you in proper dosages?
In: Biology
There are 13 essential vitamins — vitamins A, C, D, E, K, and the B vitamins (thiamine, riboflavin, niacin, pantothenic acid, biotin, B6, B12, and folate). Too much or not enough of any of them can have an effect on your health. In general, too much is hard to accomplish (but you could manage it if you really tried I guess). Depending on what vitamin you are deficient in, it can have different effects.
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