Science in sport go energy sports fuel 16kg psp22 is the complex carbohydrate energy fuel for high energy performance it is available in a range of great tasting flavours and 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 m