Source Naturals Glucosamine Chondroitin Complex With Msm Provides Four Important Building Blocks For Healthy Joints And Connective Tissues: Glucosamine, Chondroitin, Bioavailable Sulfur (Msm), And Vitamin C Suggested Use: 3 Tablets Daily With Meals Well Made Supplement: Contains Shellfish (Shrimp, Crab, And Lobster) And Soy Over 40 Years Of Trust. Source Naturals Was Created In 1982 By Ceo Ira Goldberg To Support Everyoneã¢ÂS Potential To Enjoy Optimal Health Manufactured In The Usa. Manufactured In Scotts Valley, Ca, Under The Good Manufacturing Practices (Cgmps) Established By The Us Food And Drug Administration. (Fda) Source Naturals Glucosamine Chondroitin Complex With Msm Provides Four Important Building Blocks For Healthy Joints And Connective Tissues: Glucosamine, Chondroitin, Bioavailable Sulfur (Msm), And Vitamin C