alleryHow many vitamins do humans require in their diet?
ASeven
BThirteen
CNine
DTwenty
Answer & Solution
Correct answer: B. Thirteen
1. The question asks about: How many vitamins do humans require in their diet?
2. Correct answer: Thirteen. Humans require thirteen vitamins in their diet...
3. Why the others fail: The accepted list has thirteen vitamins.
_Source: Wikipedia, Nutrient, Vitamins and vitamers_
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