Most often, the more lymph nodes with cancer, the larger the number assigned. However, for some tumors, the location of the lymph nodes with cancer may determine the âNâ stage category. Metastasis (M). The letter M indicates whether the cancer has metastasized, or spread, to other parts of the body. If the cancer has not spread, it is labeled M0. If the cancer has spread, it is considered M1.
Chondroitin is a molecule that occurs naturally in the body. It is a major component of cartilage, the tough, connective tissue that cushions the joints. Commercial chondroitin comes from natural sources, such as shark and bovine cartilage, or synthetic production.
Products. In the United States, glucosamine and chondroitin products are marketed as dietary supplements.. Glucosamine is available in many forms, including glucosamine sulfate, glucosamine hydrochloride (HCl), and N-acetylglucosamine (NAG), and may also contain a potassium chloride or sodium chloride salt.However, there appears to be no conclusive evidence that one form is better than another.lucosamine is available in many forms, including glucosamine sulfate, glucosamine hydrochloride (HCl), and N-acetylglucosamine (NAG), and may also contain a potassium chloride or sodium chloride salt. However, there appears to be no conclusive evidence that one form is better than another.