SAN's Micronized Performance Creatine has 20 times more surface area and therefore is easier, faster and more complete for mixing. Regular creatine monohydrate sits in the gut longer. This causes discomfort to many users. SAN's Micronized Performance Creatine goes into solution better and leaves the gut quicker causing no stomach upset or discomfort. Performance Creatine is manufactured under GMP (Good Manufacturing Practices) standards with stringent quality control guidelines. Additionally, each lot produced by SAN is independently tested for purity and potency by HPLC analysis to ensure only the highest quality ingredients in the innovative formulas.