Solgar - L-Lysine 500 mg. - 50 Vegetarian Capsules Solgar L-Lysine is an essential amino acid that supports the growth, maintenance and health of skin tissue. It promotes the integrity of skin and lips, and is used by the body to produce collagen. This formulation provides Free Form L-Lysine to promote optimal absorption and assimilation. Solgar L-Lysine Contains: No Gluten No Wheat No Dairy No Soy No Yeast No Sugar No Sodium No Artificial Flavors No Artificial Sweeteners No Preservatives No Artificial Colors The Solgar Gold StandardSolgar has been manufacturing fine quality nutritional supplements for over 60 years in an industry that is constantly evolving. Throughout these changes, we have never lost sight of our original mission - to provide consumers with the highest quality nutritional products and information to help promote optimal health. Our attention to detail from manufacturing through distribution has enabled us to set, maintain, and continually raise the Gold Standard for quality nutritional supplements, education, and service. Researched, Science-Based Products. Solgar is known globally for producing innovative, science-based, efficacious products. All Solgar products have been thoroughly researched by their R & D department. Solgar has a team of experts dedicated exclusively to research. Solgar also sponsors research on existing and potential new products by donating funding, their products, and their experts to studies across the world. State-of-the-Art Manufacturing. Solgar"s state-of-the-art manufacturing facility meets pharmaceutical standards for machinery, procedures, quality control, and environmentalism. These standards exceed those required by the supplement industry, but Solgar feels they are necessary to provide their customers with the best quality products possible. With their own manufacturing, laboratory, and distribution facilities, Solgar ensures quality throughout the entire process. Quality Control.