Glucosamine is naturally produced in the body and is a key component of cartilage, which is essential for normal joint function. Taking glucosamine as a supplement has been shown to be as effective as some drugs for the relief of signs associated with degenerative joint conditions such as osteoarthritis. Fish oil is extracted from cold water fish and is a natural source of marine omega-3 fatty acids. Omega-3 fatty acids are important for cardiovascular health as well as normal eye and brain function. Blackmores Glucosamine + Fish Oil combines a clinically proven dose of glucosamine with high quality fish oil to provide effective and convenient arthritis pain relief. Features and benefits Combined arthritis pain relief Natural source of omega-3 fatty acids Results expected after 2-4 weeks Slows the progression of osteoarthritis Helps to increase joint mobility and reduce joint stiffness Helps to reduce joint inflammation and swelling Helps to reduce cartilage wear How it works Glucosamine is formed in the body from glucose and the amino acid glutamine, and is a key part of the structure of cartilage, which is essential for proper joint function. As we get older, cartilage becomes more susceptible to breakdown and damage, which may result in the typical signs of osteoarthritis. Supplementary glucosamine can be an important source of this vital amino sugar. Researchers found that 55% of patients with osteoarthritis of the knees had a clinically significant improvement in pain and mobility after a period of four weeks using glucosamine sulfate 1500mg (500mg three times daily) Fish Oil contains the omega-3 fatty acids EPA and DHA, and can be taken as a dietary supplement.