G protein-coupled receptors (GPCRs) are expressed on the surface of cells and regulate a range of important functions. Because they are involved in so many sensory and physiological processes, ...

Protein indirectly contributes to your daily energy levels. However, the body typically relies on carbohydrates as its primary energy source. Learn how protein helps with energy here.

Taste, pain, or response to stress -- nearly all essential functions in the human body are regulated by molecular switches called G protein-coupled receptors (GPCRs). Researchers have uncovered the ...

New research shows protein does far more than build muscle—it's essential for metabolism, heart health, and healthy aging.