Protein is one of the most vital nutrients for the human body. It helps maintain the strength of muscles, skin, hair, nails, and bones. It also repairs damaged tissues and helps build new cells.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Protein is powerful. It helps our bodies build and repair muscle, it regulates our blood sugar and keeps ...

Not getting enough protein can make you prone to infections, or feel tired and weak because protein gives you energy. Protein is important for healthy hair, nails, and skin, so a lack of it can make ...

Your fingernails might seem like simple protective coverings for your fingertips, but they’re actually sophisticated diagnostic tools that can reveal crucial information about your protein intake.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." What’s found in each cell of your body, builds your bones, maintains your muscles, and keeps your skin ...