Bulking up refers to a process of consuming extra carbohydrates and proteins, often in the form of protein powders, and exercising intensely in order to build muscle. — TNS
A reader writes: “I have an 18-year-old grandson who started college this year and sustained a knee injury during football practice.
“He is recovering, but my concern is that the team trainers have told him to ‘bulk up’ with supplemental pills and protein shakes from the health food store.
