Looking to to stay bright in both body and mind? Considered the building blocks of proteins, amino acids are vital to many biological processes. Influencing everything from how you feel to how you perform, essential amino acids are not produced by the body and must be acquired from food or nutritional supplements. That's why Solaray offers L-Lysine 500 mg. A free-form amino acid, L-Lysine is designed to play a major role in normal protein synthesis as well as healthy cognitive, immune system, and gastrointestinal function. But it's benefits extend beyond the internal! Helping support the maintenance of collagen and elastin-- both of which are essential to the structural integrity of bones and joints-- L-Lysine may also help support healthy, younger-looking skin. Live Brighter‚ inside and out, with Solaray L-Lysine!