i get b12 injections Vitamin Injection at a Licensed Pharmacy Best Vitamin B12 Injection Sites:

12 , 13 Moderate physical activity and healthy diets promote a balanced microbiome (eg, a high Bacteroidetes to Firmicutes ratio) along with the production of neurotransmitters (eg, serotonin, dopamine), secondary bile acids, and short-chain fatty acids, including acetate, propionate, and butyrate (Figure 1)

Helps reduce inflammation in the body

I would recommend consulting with Lee Plastic Surgery first because it will be an easy decision

HOCBL, hydroxycobalamin

But for most purposes (like weekly maintenance injections), IM is the preferred route at home because its simpler (the vitamins absorb quickly from muscle into the bloodstream over a few hours)

Some medications can also affect vitamin B12 absorption in the gut