Dietary Supplement. Glucosamine 1500mg/Chondroitin 1200mg. Optimum Nutrition"s Super Strength Glucosamine Plus CSA (Chondroitin Sulfate A) is formulated for rapid disintegration and maximum absorption. Two tablets provide 1500mg of Glucosamine and 1200mg of Chondroitin. Super Strength Glucosamine Plus CSA is produced and packaged in our own state-of-the-art, OTC approved manufacturing facility. Super Strength Glucosamine Plus CSA is free of many common allergens such as yeast, corn, soy, milk and egg.