Which major mineral, though a vital component of the B-vitamins thiamin and biotin, does not need to be consumed in the diet?

Name: Which major mineral, though a vital component of the B-vitamins thiamin and biotin, does not need to be consumed in the diet?
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Question

Quizplus · Accepted Answer

Sulfur is a major mineral that is a component of the B-vitamins thiamin and biotin, but it does not need to be consumed directly in the diet because it is obtained from the amino acids methionine and cysteine found in dietary proteins.

Which Major Mineral, Though a Vital Component of the B-Vitamins