what size needle for vitamin b12 injection Is It Okay To Use A With Insulin Syringes? what size needle do i

In his opinion, it has highlighted the importance of individualised care and close monitoring for B12 replacement therapy

What does an injection do that an oral supplement doesnt

Schijns W, Homan J, van der Meer L et al (2018) efficacy of oral compared with intramuscular vitamin B-12 supplementation after Roux-en-Y gastric bypass: a randomized controlled trial

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