Glucosamine HCL is one of the most vital component to our body, especially to our joint cartilage. Our Glucosamine HCL is extracted from the shells of shrimp or crab, it is white to slight yellow powder, the purity is around 95%. Glucosamine HCL can be used into jonit health products to relieve heperostosis. If you are looking for some high quality Glucosamine HCL, then you can contact us, we are the people who you are looking for.