"Jarrow Formulas Glucosamine+Chondroitin+MSM features glucosamine sulfate stabilized with potassium chloride (KCI). Glucosamine and chondroitin sulfate are fundamental components of hyaluronic acid in joint cartilage and synovial fluid. Methylsulfonylmethane (MSM) is an organic source of sulfur, an antioxidant mineral and component of structural body tissues, such as cartilage. Vitamin C and manganese support the synthesis of collagen and cartilage."Dietary Considerations Wheat Free Dairy/ Milk Free Gluten Free Soy Free Egg Free Sodium Free Suggested UseAdults take 4 capsules once a day or as directed by your qualified healthcare professional.Serving Size:4 Capsule Servings Per Container: 60 Amount Per Serving Vitamin C (as ascorbic acid) 60 mg Manganese (as manganese Citrate) 1 mg Sodium (as Chondroitin Sulfate Sodium) 120 mg Potassium (as Glucosamine Sulfate 2 KCl) 260 mg Glucosamine Sulfate (from 2000 mg glucosamine sulfate 2 KCI) 1500 mg Chondroitin Sulfate (from 1,440 mg Chondroitin Sulfate Sodium) 1200 mg Methylsulfonylmethane 300 mg Other IngredientsCapsule (bovine gelatin), microcrystalline cellulose, Magnesium stearate (vegetable source), silicon dioxideWarningsContains: Shellfish (shrimp). Keep out of the reach of children. No wheat, no gluten, no soybeans, no dairy, no egg, no fish, no peanuts/tree nuts.NOTE: DO NOT use if allergic to shellfish. If you have a medical condition, are pregnant, lactating, trying to conceive, or taking medications, consult your healthcare professional before using this product.