Natural Factors L-Lysine is an essential nutrient that provides relief from the herpes simplex virus (HSV). It works quickly to help reduce the recurrence, severity, and healing time of cold sores. The vegetarian capsule contains no corn, soy, wheat, gluten or yeast to support those on restricted diets.
L-lysine is an essential amino acid necessary for growth, development, tissue maintenance, and repair. L-lysine supports a healthy immune system and helps reduce the recurrence of herpes simplex virus (HSV) infections (e.g., cold sores).