can you inject vitamin b12 in your stomach How to Self-Inject at Home B12 Injections at Home -

Your dietary habits also influence the frequency and duration of B12 shots

Tablets are widely available, affordable, and easy to incorporate into your daily routine

Some people ignore tiredness for months before asking for help

Additionally, a randomized, double-blind, placebo-controlled trial in 2,588 healthy older adults with mild hyperhomocysteinemia found that daily supplementation with 500 g of vitamin B 12 and 400 g of folic acid for two years reduced blood homocysteine concentrations but had no benefit on depressive symptoms in those with or without depressive symptoms at baseline (110)

While medication one day past the BUD may still be effective, you have no way to verify this without laboratory testing