vitamin b12 injection intravenous Sandoz Injectable Solution - 1000 mcg/10 mL Vitamin B12 Injections (Cyanocobalamin Injections)

Subcutaneous (SC) Injections Subcutaneous injections involve injecting B12 into the fatty tissue just beneath the skin

Medicare NDC Entry Quick Reference: Electronic (837P): Loop 2410, LIN03 qualifier N4, followed by the 11-digit NDC Paper (CMS-1500): Box 19 format: N4[NDC number]*[unit][quantity] Example entry: N4 12345678901*ML*1.5 Per the CMS Claims Processing Manual guidance on drug claim requirements, failure to include the NDC on a Medicare claim results in denial of the drug J-code line item, not the administration code

Experience has shown that vitamin B12 is completely safe, at any concentration in the diet and in the blood

TL;DR: Most people who receive lipotropic injections experience little more than mild soreness at the injection site