im b12 injection Treating Severe Vitamin Deficiency | B12 Cyanocobalamin (B12) Injection 1000 mcg/mL,
Description
The most consistently documented side effect of excessive B12 is dermatological reactions, particularly acne-like eruptions and rosacea flare-ups
Sold for laboratory use only, it is not an approved drug and has no established human dose

& Wilding, J

It is going to take weeks of injections to really feel the difference in your mood and energy levels

A: Many patients feel a boost in energy within hours, while mood and metabolism benefits may develop over several days

Cobalamin defects or diseases A-H
