can a b12 injection cause diarrhea oral vitamin (B12) irritate the stomach? Hydroxocobalamin (Vitamin B12): Uses, Alternatives,
Description
Yet another type of injection device is called an autoinjector, best known with EpiPens, a quick-jab method of delivering epinephrine into the muscle for people having a severe allergic reaction (Campbell, 2016)
Liu J, Kosma V-M, Vnttinen T, Hydn-Granskog C, Voutilainen R

Not Included: International airfare

Series 1: obese C57BL/6J mice (high-fat diet) randomized to daily injections of hGH, AOD-9604, or placebo

These uses are off label
