3rd Party Lab Tested for Purity & Quality. 500 mg of L-Lysine HCL per Tablet - 250 Tablets per Bottle. Non-GMO & Gluten-Free. Proudly Made in USA, GMP Compliant, FDA Registered Facility. No Artificial Color, Flavor, or Sweetener, No Preservatives, No Sugar, No Milk, No Corn, No Soy, No Egg, No Lactose, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free. 2 Pack Best Naturals L-Lysine 500 mg 250 Tablets (Total 500 Tablets)