Formulated to Win! Muscle - Performance - Strength PH-Correct Creatine onohydrate Dietary Supplement Clinically Proven The Original Purple Cap Informed Sport - Trusted by Sport Kre-Alkalyn EFX.. It's Buffered. It's Stable. Kre-Alkalyn EFX represents a major breakthrough in performance supplemenation thanks to its multi-patented, pH Correct creatine stabilization technology. Our scientist Dr. Jeff Golini discovered that "buffering" to pH-12 produced a stable creatine monohydrate molecule. PH-Correct Makes it a Category of One! Kre-Alkalyn EFX is the only creatine monohydrate product with a pH of 12 because its molecules are synthesized with "buffering" agents using a patented (#6,399,661) manufacturing process to make it pH-Correct.