any side effects to b12 injections

any side effects to b12 injections vitamin pain why is so painful B12 Injection and Safety Benefits of Vitamin B12 Shots – b12 injections side effects effect

Name: any side effects to b12 injections vitamin pain why is so painful B12 Injection and Safety Benefits of Vitamin B12 Shots – b12 injections side effects effect
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Description

Ohtsu, E., Ichiyama, A., Nishizuka, Y

(PubMed) Nourhashemi F, Gillette-Guyonnet S, Andrieu S, et al

These shots are administered via intramuscular injection (often referred to as IM) so there is no gastrointestinal metabolism, which also allows for increased nutritional absorption