Collagen supplements have made quite a name for themselves in recent times, praised as the secret to healthy skin, lustrous hair, and flexible joints. But what’s really going on beneath the surface?

Skin irritation, such as through eczema, promotes hair growth in mice, which prompted scientists to create a treatment that ...

Amino acids are absolutely essential to our health—and for life itself. They are the so-called “building blocks” of proteins. They play a key role in the growth, repair, and maintenance of almost ...