PSP22 is ideal when energy requirement is high. PSP22 is made from a very high specification maltodextrin. which is over 98% glucose polymers. This means that PSP22 exerts a very low osmotic pressure even at high concentrations. It is therefore very light on the stomach and very easy to drink. PSP22 has become the mainstay of many athletes and sports peoples nutritional strategy. it can be used to help load up prior to events and as a recovery drink. post event. though its main use is during. PSP22 also tastes great!