can you inject vitamin b12 subcutaneous for Injection Cyanocobalamin 1,000 mcg, 25/Box (Rx) — Mountainside Medical How to self-inject intramuscular vitamin
Description
Monitoring: After starting injections, B12 blood levels and hematologic response are monitored

Are there special considerations for elderly patients receiving vitamin B12 injections

But as a good practice, maintain hydration and adequate protein intake

Common side effects associated with the B-12 shot include soreness at the injection site, diarrhea, swelling and itching

10.1186/s13098-019-0484-0 107 PicardF.KurtevM.ChungN.Topark-NgarmA.SenawongT.Machado De OliveiraR.et al (2004)

As long as 60 years ago, identification of the alternative IF-independent mechanism for vitamin B 12 absorption resulted in the discovery that if large enough doses were given, in the range of 100-100,000 g (although only 1% of the cyanocobalamin was absorbed), it was sufficient to provide the daily requirement
