[1] [3] The ingredients of Ascorbic Acid (Vitamin C) Injection are ascorbic acid as the active ingredient, with water for injection as the vehicle, and, in the preserved formulation, a suitable preservative to maintain sterility and stability during multi-dose use
The taste wasn't unpleasant enough to prevent use, but it was obvious why products like Ritual Fertility Support and Pure Encapsulations NAC + Glycine Powder include flavoring systems
doi: 10.1111/dom.16364 151
The procedure is more painful, carries higher risk of nerve or vascular puncture, and often produces post-injection soreness lasting 1224 hours
Too little and you're wasting money
Seiden LS, Commins DL, Vosmer G, Axt K, Marek G (1988)