C2 CARE Capsules belongs to the class of medications called nutritional supplements primarily used to treat joint and cartilage disorders such as osteoarthritis, rheumatoid arthritis, and other joint disorders. Osteoarthritis is a degenerative and inflammatory disease condition that causes joints to become painful and stiff, eventually resulting in loss of mobility. Rheumatoid arthritis is an autoimmune and inflammatory disease in which the immune system mistakenly attacks healthy cells in the body, resulting in inflammation of the joints.