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• Lysine has been shown to play a role in collagen crosslinking. The enzymatic hydroxylation of lysine residues in collagen protein is required for the stabilization and orderly formation of collagen in the body, a necessary step in the formation of healthy connective tissue. (Robins, 2008)
• A review article reports favorable results from studies examining the effect of lysine supplementation on skin health. Proposed mechanisms by which lysine may help support skin health are increasing the lysine/arginine ratio in the body or possibly increasing immune response by improving protein nutrition. (Flodin, 1997)