b12 injection pros and cons Are Shots Safe? Royal Palm Beach Medical Group Understanding the B12 Vitamin Shot:
Description
Extreme deficits (800-1,000 calories below maintenance) are unnecessary and counterproductive because they increase muscle catabolism and metabolic adaptation

Hypoxia-inducible protein 2 is a novel lipid droplet protein and a specific target gene of hypoxia-inducible factor-1
10.1016/b978-0-12-813442-9.00007-9 [DOI] [Google Scholar] Heuberger J
Y., Burneskis, J

doi: 10.1007/s00125-014-3490-7
What makes vitamin B12 injections more effective than oral supplements
