Insider - Bodybuilders and fitness fanatics fill their plates with it. Fans of keto and Atkins swear by the power of it. Dietitians urge people to include lean sources of it throughout their day.
Allison Childress, a registered dietitian nutritionist and an assistant professor of nutritional sciences at Texas Tech University, told INSIDER that one of the biggest mistakes people make when trying to follow a high-protein diet is eating too many calories. "People assume that as long as they are not eating carbs or are only eating protein, that they cannot gain weight," she said.