C. Vitamins release energy from fat, carbohydrates, and proteins.
Vitamins are organic substances that are required in small quantities in food.
They provide several functions such as increasing the rate of metabolism in the body, strengthening the immune system, proper growth and developments of bones and other body parts, etc.
A very unique function performed by vitamins that makes it different from other nutrients is that it converts energy from other sources, such as Carbohydrates, proteins, fats and oil, into a form that is useful to the body system.
Therefore, option C is the correct choice
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