Arginine is an amino acid produced in the body and found in many foods—especially those rich in protein. But it's also sold as a dietary supplement as L-arginine. We clear the fog of claims and counter-claims.
This comforting drink mixi—ideal for a winter pick-me-up—is not your garden-variety cocoa. It gets a nutritional boost from calcium and high-quality protein.
Do "paleo diets"—high in animal protein and low in carbohydrates—really improve health and aid in weight loss, as proponents claim? Here's what scientists have to say.
