In lab and clinical research, its been observed to activate fibroblasts (the cells that produce collagen), increase glycosaminoglycan synthesis (which helps skin retain water), modulate matrix metalloproteinases (MMPs, the enzymes that break down old tissue), and act as a copper cofactor in antioxidant pathways
Can Peptides Boost Muscle Growth
Cancer 69, 521533
In: Operative Standards for Cancer Surgery:Thyroid, Gastric, Rectum, Esophagus, Melanoma
A study in an academic publication called (appropriately) AMINO ACIDS, demonstrated that branched-chain amino acids along with two specific amino acids, glutamine or proline, restored collagen synthesis after UV exposure