what do b12 injections do for you Shots at Home: How, Where & How Often to Inject Yourself Are Vitamin B12 Shots Right
Description
This is completely normal for low-dose B12 additions

Many patients pick the same time each week, such as Monday morning or Friday afternoon, so the visit becomes a simple habit

This is the gold-standard way to answer does the oral form actually get in. What they found: ~38.4% oral bioavailability, with a half-life around 6.9 hours oral and 3.8 hours IV
If you have a vitamin B12 deficiency, your doctor might recommend vitamin B12-based lipotropic injections twice a week for an energy boost and fat metabolism
