The subacromial bursal sac in the shoulder is injected with corticosteroids or anesthetics, which takes effect on the body and provides relief from severe pain
Many vegans dont think [they] need to worry about B12, or they think that meat-eaters get B12 deficiency just as often as vegans do, while others think you have to supplement with methylcobalamin rather than the less expensive, more reliable cyanocobalamin. Mangels notes, Some people think they have enough vitamin B12 stored and they dont need to worry about [it]
Labeling something "for research use only" doesn't protect you from legal riskin fact, it shows you knew it wasn't approved for use in patients
One missed injection in the context of a months-long protocol is statistically insignificant
[PubMed] [Elsevier] [PubMed] Witschi A, Reddy S, Stofer B, Lauterburg BH