This item is worth 90 Wellness Reward points on the Wellness Advisor at www.naturemade.com. Bank your points and begin earning free Nature Made coupons or drugstore.com gift certificates today. Necessary For Production of Antibodies, Hormones and Enzymes. L-Lyscine, an essential amino acid, plays a key role in the makeup of body proteins. 100 % Natural. Recommended by Pharmacists No Artificial Colors No Artificial Flavors No Preservatives No Chemical Solvents, Yeast, Starch or Gluten. L-Lysine tablets made to Nature Made s guaranteed purity and potency standards.