OstroVit Creatine HCl in powder (Flavor: black currant with cherry) is the highest quality dietary supplement that is a source of creatine hydrochloride. It is a combination of a creatine molecule together with hydrochloric acid. An excellent proposition for people whose goal is to build clean muscle mass, as well as increase the strength and endurance of the body. The high solubility is one of the main advantages of this form over other forms of creatine.