injection for b12 vitamin Compounded Cyanocobalamin (Vitamin B12) 250 mL and 500 mL vials Provides 1 Vitamin B-12 Injection, 3,000 mcg/mL,

4 weeks 28 syringes 1 syringe per daily injection

We also estimate that the remaining measure removals, adoptions, and modifications in this final rule with comment period will result in a decrease in information collection burden of 6,924,988 hours at a savings of $178,884,367 annually for all 3,200 program-eligible HOPDs from the CY 2025 reporting period/CY 2027 payment determination through the CY 2028 reporting period/CY 2030 payment determination

But the mechanism goes deeper than appetite suppression

Several cells appear to have the greatest demand for cyanocobalamin, particularly those that undergo rapid division such as bone marrow and epithelial cells.[5][7] Cyanocobalamin binds itself to plasma proteins in the systemic circulation

If symptoms are not related to low B12, an injection may not help and further investigation may be recommended