What is Creatine HCL? Creatine HCL is getting rave reviews as the most absorbent & soluble form of Creatine available today. The main advantage of using BULK POWDERS™ Creatine HCL over other formats of creatine, is its dramatic increase in absorption. In real terms, this means that less Creatine HCL needs to be used to get maximum effect saving you money in the process! One study suggested that Creatine HCL is 59 times more soluble in water than Creatine Monohydrate. Due to its