Caffeine anhydrous, theobromine and theophylline to support mental and physical performance by combating fatigue. Thermogenic creatine with the correct pH. Creatine monohydrate synthesized at pH 12. Energy, Intensity & Power Kre-Alkalyn® Hardcore contains key metabolic compounds Kre-Alkalyn® EFX creatine, raspberry ketones (Razberi-K®) and green coffee extract for energy, strength, focus and thermogenesis. pH-Correct makes it a category in its own right! 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 manufacturing process to make it pH-Correct.