"Creatine hydrochloride" refers to a type of supplement that helps improve athletic performance and muscle strength. It is a form of creatine that is combined with hydrochloric acid for better absorption by the body. Full definition
That is why it's better to opt for creatine hydrochloride or Kre - Alkalyn. (fitnessandpower.com)
The original, highly pure creatine hydrochloride for Increased Power, Fuller Muscles, and Improved Strength * (bodybuilding.com)
That said, buffered creatine, like creatine hydrochloride, may be easier on the stomach for athletes who experience cramps with monohydrate. (rawbarrel.com)