Many doctors now consider that supplements achieve a higher absorption rate when administered directly through the skin via patches this revolutionary joint patch delivers a powerful blend of natural ingredients 1500mg of glucosamine 1200mg of chondroitin plus manganese and vitamin c glucosamine and chondroitin together these ingredients are believed to play a vital role in the regeneration of cartilage to aid joint function at half the size of other patches 3 3cm 1 x 1 simply sti