Certain supplements have been shown to help with muscle growth, strength, and overall athletic performance—including beta-alanine, carnitine, and whey protein.

Protein bars, shakes and powders are increasingly popular among adults—but many teens may be jumping on the bandwagon too.

Teenagers are increasingly turning to protein-packed bars, shakes and powders to help them add muscle to their frames, a new study shows.

Teen boys are more likely to consume protein supplements every day or most days than teen girls, a new Mott Poll finds. Here’s what experts have to say on the trend.