B vitamins act as coenzymes in many metabolic processes, including those that help the body extract energy from carbohydrates, fats, and proteins, but they do not directly provide energy in terms of calories, contribute to bone strength, or protect cells from free radicals.

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The B Vitamins

Question 110

Multiple Choice

The B vitamins

A) facilitate chemical reactions that yield energy from macronutrients.
B) can be broken down to yield about 4 kcal per gram.
C) provide strength and stability to bones.
D) protect the cells from damage by free radicals.

Correct Answer: