L-Lysine is an essential amino acid known for supporting skin wellness and helping the body maintain its natural immune defense’s, which may alleviate and/or reduce the duration and severity of painful shingles or cold sore outbreaks Often chosen by those prone to occasional lip discomfort or skin flare-ups, it can be a supportive addition to your daily routine. Because the body cannot make lysine on its own, supplementation offers a simple way to stay balanced.