L-Lysine
Type: Amino Acid
L-Lysine is an essential amino acid that is often used to reduce the occurrence and duration of a cold sores. As the body cannot produce L-Lysine on its own, you need to obtain it from food sources.
L-Lysine can also improve wound healing in the body by helping to create collagen, a protein that gives structure to your skin and bones. New evidence also indicates that L-Lysine may have anti-cancer effects, could help improve blood sugar levels, and may reduce blood pressure.