Question

fill in the blank question
important organic nutrients that must come from a humans diet (humans either cannot synthesize them or cannot make sufficient amounts) and serve as coenzymes for many metabolic and biosynthetic reactions are called

Explanation:

Vitamins are organic nutrients essential in human diet as humans either can't synthesize them or can't make enough, and they act as coenzymes in metabolic and biosynthetic reactions.

Answer:

Vitamins