Injection and infusion solutions of ipamorelin, having the following composition: a) ipamorelin solubilized by approximately two molar equivalents of acetic acid (ipamorelin diacetate), in an amount of from 0.001 to 20%, based on the weight of the free base of ipamorelin； b) a molar excess of acid, preferably acetic acid, in an amount sufficient to give a pH of at least 3 and less than 7； c) optionally from 0.1 to 30% of one or more formulation aids； and d) water q.s. to 100%； all percentages based on the total weight of the solution.
