should you have b12 injections if you don't need them at Home - Safety Guide for Self-Administration Are B12 Shots Safe? Royal

The honest answer is more nuanced than the marketing suggests, and it depends almost entirely on whether youre actually deficient in the first place

Often, people will notice the effects of B12 injections within 24 to 72 hours after their first dose

Heres what we recommend for elderly patients: Start with 1000 mcg of vitamin B12 weekly for 4-6 weeks Then, give 1000 mcg every 1-3 months, depending on how theyre doing Keep an eye on their vitamin B12 levels, blood counts, and brain function A study in the Journal of Gerontology stressed the need for B12 in older adults

It performs best as an adjunct, not a replacement

Foods that Contain B12 Vitamin B12 is primarily found in animal foods like meat, poultry eggs, fish and dairy