Pharma Nords Bio-Glucosamine contains 675mg Glucosamine sulphate wich may play a part in maintenance 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. Ingredients: Declared content per capsule: Glucosamine sulphate 2KCl 675mg (equivalent to Glucosamine sulphate 509mg) Component Substances: Gelatine, Magnesium stearate, Titanium dioxide.