is vitamin b12 injection im or subq How to self-inject intramuscular - Overview Vitamin B12 Injection Sites: All

References Anderson, J.M., et al

Where relevant data were missing, attempts were made to contact corresponding authors

Conclusion: Sublingual and oral B12 supplementation appear to be as effective as intramuscular (IM) injections in improving cobalamin status and reducing homocysteine levels

dosing from unregulated online sources is unverified

The more significant the deficiency, the more time it may take to feel fully revitalized

However, the problems are so minor and so infrequent compared to the benefit most parents see that, with few exceptions, parents say that they can live with whatever isnt perfect while they are getting their child back