Pharma Nords Bio-Glucosamine contains 675mg Glucosamine sulphate wich may play a part in mainteneance of healthy joints. Glucosamine exists naturally in the body as key structaral components of cartilage. Glucosamine plays a significant role in the smooth working of the joints. • Glucosamine is a naturally occurring sugar-related nutrient, which is important in normal joint function. • Glucosamine is produced within the body; however as people age the capacity to manufacture sufficient levels of glucosamine is reduced. • Supplements are the best source of additional glucosamine, since there are no accessible food sources of this substance.