Lysine is an essential amino acid. May play a role in immune system support.* This product is manufactured under strict quality control guidelines therefore, purity and label potency are guaranteed. Preservative & gluten free. No sugar, starch, artificial colors, artificial flavors, wheat, yeast or corn added. *This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent disease. Directions: As a dietary supplement, take 1 tablet daily, preferably with a meal, or as directed by your health care professional. Store in a cool, dry place.