ProSure is an energy dense, high protein formula enriched with EPA, which specially designed to help normalize metabolism and promote weight gain and help build lean body mass (LBM) in people experiencing cancer induced weight loss. Numerous clinical studies among people with cancer showed that drinking Prosure daily as part of overall care promoted weight gain, helped build lean body mass, improved quality of life, increased physical activity level, and increased strength in those who gained weight. It has high level of high-quality protein to help build muscle mass. It is an energy-dense formulation, with 300 calories in each serving to provide energy in a small volume. It has lower-fat formula than standard oral nutritional supplements and has omega-3 fatty acids.