Phycox is a naturally derived extract of wild blue-green algae grown in the United States. Blue-green algae are a rich source of phytonutrients including Phycocyanin, a biliprotein that has scientifically demonstrated health benefits. Joint pain brought on by many forms of arthritis is becoming increasingly more common in geriatric dogs. This unique anti-inflammatory has been proven to improve mobility, activity level, alertness and the ability to rise. Within a month your dog will be as playful as he was the day you brought him home as a puppy. The Phycox patented process produces a highly concentrated source of Phycocyanin, offering strong joint support and relief of discomfort in two ways: Proven Cyclooxygenase-2 (COX-2) · Inhibition: Numerous studies demonstrate the high concentrations of Phycocyanin found in Phycox specifically inhibit the COX-2 enzyme, blocking the synthesis of inflammatory eicosanoids, the natural mediators of inflammation in the body. Dynamic Antioxidant: · Phycocyanin has powerful free radical scavenging properties. It can help enhance the body's defense against the degradative effects of free radicals that cause cellular damage and play a role in a host of degenerative conditions in dogs. As with all of our products, Phycox Soft Chews contain the proven safe and effective joint supplements glucosamine and methylsulfonylmethane (MSM) for maximum joint and bone health, together with our patented and revolutionary anti-inflammatory Phycox (proven to be completely COX-2 selective to prevent side effects associated with COX-1 inhibition) and other anti-oxidants and anti-inflammatories such as ascorbic acid, selenium and turmeric.