can you inject b12 into your stomach Injection Site For Shot Is it better to B12 muscle or fat? Injecting B12 into fat: 4

A randomized, double-blind, placebo-controlled trial in 191 older adults (75 years) with moderate vitamin B 12 deficiency (serum cobalamin concentrations of 107-210 pmol/L) without anemia provided participants with 1 mg/day of cyanocobalamin for one year (94)

Those With Gastrointestinal Disorders Individuals with conditions like Crohn's disease, celiac disease, or other disorders affecting the gut may find it difficult to absorb B12

Also, people with diabetes who take a medication called metformin are at a higher risk of developing B12 deficiency because this medication can reduce B12 absorption

Some rare hereditary diseases prevent the synthesis of the B12 coenzymes, methylcobalamin and adenosylcobalamin

Their interaction further enhances metabolic function