b12 injection how quickly does it work Shot Work? Duration of Benefits Vitamin B12 Injection Treatment |

A doctor may inject vitamin B12 shots into a persons muscle every other day for around 2 weeks

Before starting, a provider should review your health history, medications, allergies, wellness goals, and whether lab work may be useful

Vitamins & Hormones

1 2 3 4 5 6 [205] Preparation of the reduced forms of vitamin B12 and of some analogs of the vitamin B12 coenzyme containing a cobalt-carbon bond"

If folate deficiency is suspected, it is reasonable to give oral folic acid (0.4 1 mg/day) without doing laboratory investigation for deficiency at least until the hemoglobin and mean corpuscular volume normalizes (or longer if the underlying cause cannot be eliminated)

doi:10.1093/ajcn/74.2.233