Everyone seems to be talking about protein right now—and for good reason. “Protein is the building block of every tissue in our body, from muscles and bones to organs, skin, and hair,” says Rachel Gargano, M.S., R.D., C.S.S.D., the chief…

Everyone seems to be talking about protein right now—and for good reason. “Protein is the building block of every tissue in our body, from muscles and bones to organs, skin, and hair,” says Rachel Gargano, M.S., R.D., C.S.S.D., the chief…