Glucosamine is a natural chemical that is formed by the shells of all manner of marine creatures. It is one of those substances that is required for granted by everyone, and yet it is a really important component to life. Glucosamine is the only responsible for maintaining our joints in healthy state. With this particular substance, there would be a number of painful and discomfortable joints that could crop up as we age. This is why a lot of people are turning into Glucosamine supplementation, if they wish to avoid the problems of degenerative arthritis.