Which one of the following choices is the best way to build muscle bulk?
a. Eat a healthy, balanced diet and follow a regular fitness program.
b. Use amino acid powders from a health food store.
c. Avoid vegetarian diets.
d. Eat more high-protein foods.
As we know, protein is a body building food. So you need proteins to build up muscle bulk. Therefore the answer is A) Eat a healthy, balanced diet and follow a regular fitness program. And choice D) would also be accurate. So I would say A & D.