B12 injections bypass digestion entirely and deliver the vitamin directly into your bloodstream resulting in faster, more reliable results
This method was also used much later in animals that had been subjected to the additional bowel obstruction (IC + OB rats) and, subsequently, upon massive reperfusion occurring after the removal of the vascular obstruction(s) (IC + RL rats)
Refrigerate at 2 to 8 degrees Celsius, protect from light, and never freeze reconstituted solutions
doi: 10.1128/AAC.00525-12 95 KharaJ
Does it show any visible sign of degradation (cloudiness, particulates, color change, off odor, compromised seal)
These include B1 (thiamine), B2 (riboflavin), B3 (niacin), B5 (pantothenic acid), B6 (pyridoxine), B7 (biotin), B9 (folate), and B12 (cobalamin)