Glucosamine is found in cartilage, connecting tissue, and the eyes. It has high moisture content an d protects the body, helping to maintain a youthful appearance. It has been reported that 50% of people over 60 suffer from of the knees. This product, by supplying glucosamine and chondroitin, may be expected to help prevent of the knees. This product contains shark chondroitin, glucosamine derived from crab, roast kelp powder rich in minerals, soybean isoflavone which helps to maintain bone strength. Also, it contains Vitamin B complex and Vitamin C, which act in synergy. Shark Chondroitin : 1,100 mg Glucosamine : 1,000 mg Ⅱ Ttype collagen : 540 µgSuitable for: People who care about their bone and for prevention of the skin aging, such as middle aged and elders.How to eat:For adults: Take 15 capsules once daily.Elderly: Take 5 capsules three times daily with warm water.. Ingredient: Containing Shark Condroitin(made in China), Roast Kelp Powder, Soy Isoflavone(not genetically modified), Chicken Cartilage Extract (II Type Collagen), /Glucosamine (Derived from Crab & Shrimp), Vitamin C, Sucrose Ester of Fatty Acid(emulsifier), Vitamin B1, Vitamin B2, Vitamin B6.