Main function:Glucosamine is found in cartilage, connecting tissue, and the eyes.It has high moisture content and protects the body, helping to maintain a youthful appearance.It has been reported that 50% of people over 60 suffer from osteoarthritis of the knees. This product, by supplying glucosamine and chondroitin, may be expected to help prevent osteoarthritis 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. The long selling product for approximately 15 years.Not only for joint pain, but also for a healthy long life with the addition of polyphenol, vitamin, mineral, and longevity herb (peucedanum japonicum).Target: For those who are concerned bone and knee strength.How to eat:Take 15 tablets daily and drink with cold or warm water.Caution:If you do not feel well a. Ingredient: Shark Chondroitin, Roast Kelp Powder, Soy Isoflavone (nonGM), Chicken Cartilage Extract containing type Collagen, Glucosamine(derived from crab and shrimp), Vitamin C, Sucrose Fatty Acid Ester, Vitamin B1 , Vitamin B2, Vitamin B6