Rose hip powder is a remedy for rheumatoid arthritis. Rose hips contain vitamins C, D and E, essential fatty acids and antioxidant flavonoids. Particularly high in Vitamin C, with about 1700–2000 mg per 100 g in the dried product, one of the richest plant sources.The anti-inflammatory properties of rose hips have recently been shown to be useful in the treatment of patients suffering from knee or hip osteoarthritis. Osteoarthritis is a degenerative joint disease affecting over 20 million Americans. It is characterized by the breakdown of cartilage in the joint, allowing bones to rub against each other, causing pain and loss of movement. Rose hips also contain carotenoid pigments, plant sterols, tocotrienols and a very high level of anthocyanins, catechins and other polyphenolics, known phytochemicals to protect against cancer and cardiovascular disease (CVD.The rose hips of Dog Rose are a traditional diuretic and laxative. The rose hips are useful in the treatment of influenza-like infections, diarrhea, and various urinary tract disorders. No side effects are known when rose hips are used in the normal designated amounts.