The science behind Osmo is deep. Dr. Stacy Sims MSc, PhD, Osmo's chief research officer, is a pioneering nutrition scientist and exercise physiologist. She has spent years in the lab and field developing the perfect hydration and recovery formulas. While Stacy has contributed to the development of other industry sports drinks, Osmo’s complete exercise drink system is "by far the most advanced and effective for athletes yet developed." (Osmo Nutrition) Made with natural ingredients inlcuding real orages, blackberries and vanilla.