One of our most popular products, SiS REGO Rapid Recovery Powder is a complete recovery product which comes in five delicious flavours. Containing a mix of carbohydrates to replenish depleted glycogen stores, and protein to rebuild damaged muscles, our REGO recovery powders are best consumed immediately after exercise.SiS REGO Rapid Recovery Powders are the complete post-workout recovery supplements, allowing your body to function at its best and setting you up for your next training session. Shop the full range here.