Henry Blooms Cold Sore Relief Cap X 60 Lysine has the capacity to fight the symptoms of cold sores and herpes viruses and it reduces the number of outbreaks, severity and healing time. Lysine is an essential amino acid that is a necessary building block for all protein. It's beneficial for recovery from injuries and surgery due to its role in building muscle protein. It also aids in the production of antibodies, hormones, enzymes, collagen formation and tissue repair. AUST L 362074 Henry Blooms Cold Sore Relief Cap X 60.