Naka Pro - L- Lysine - 140 VEGGIE Capsule(s) - NPN: 80083822 -- Formulated by Naka, L-Lysine is an essential amino acid for the maintenance of good health. L-Lysine supports collagen formation and helps reduce the recurrence of the cold sore virus. Naka's L-Lysine is available in the active 'L' form and provides an optimal dosage, ensuring bioavailability and easy absorption by the body