Cartilage support with manganese This formula combines three forms of glucosamine; glucosamine HCl, glucosamine sulfate, and n-acetyl-d-glucosamine. These naturally occurring substances build, maintain the matrix of collagen, and connective tissue that forms the ground substance of cartilage. Enhanced cartilage support Contains manganese for optimal tissue support Made with premium ingredientsDietary ConsiderationsGluten Free Non-GMOServing Size: 1 CapsuleServings Per Container: 180Amount Per Serving % Daily ValueManganese (as manganese ascorbate) 2 mg 87% Glucosamine sulfate (from crab, shrimp) 250 mg Glucosamine HCI (from crab, shrimp) 250 mg N-Acetyl-D-Glucosamine (from crab, shrimp) 250 mgOther Ingredientsvegetarian capsule (cellulose, water), ascorbyl palmitateSuggested UseAs a dietary supplement, take 1 capsule daily, with a meal, or as directed by a health professional. Individual results may varyWarningIf you are pregnant or lactating, have any health condition or are taking any medication, consult your health professional before use. Do not take if you are sensitive to shellfish. Keep out of the reach of children. Use only if safety seal is intact. Store in a cool, dry place. Contains shellfish (crab, shrimp).