im injection of vitamin b12 Cyanocobalamin 1000 mcg — Mountainside Medical Injecting B12 What happens when
Description
For example, an IM injection in the deltoid could hit the radial nerve or artery if placed too low

Mol Neurobiol 54:54405448 [DOI] [PMC free article] [PubMed] [Google Scholar] Lizrraga KJ, Lang AE (2022) Vitamins B6 and B12, levodopa, and their complex interactions in patients with Parkinsons disease

3) How soon will I feel a difference
In practical terms, a 95 kg person with 30% body fat who maintains a 400-calorie daily deficit might lose 5-6 kg total over 12 weeks through diet alone

Clin Pharmacol Ther
