b12 5500 injectable Super Vitamin 12 per dose Contains a sterile vitamin B SUPER VITAMINA B 12 5500:

Targeted Nerve Health Formula: Contains Mecobalamin, Pyridoxine, and Nicotinamide to specifically support nerve repair and neurological function

Beyond the rare conditions above, a few groups should have a detailed conversation with a provider before starting

(2011) Peptides n=64 Study in diabetic obese patients examining AOD 9604 effects on weight loss, glycemic control, and insulin sensitivity

(PubMed) Zuin M, Cervellati C, Brombo G, Trentini A, Roncon L, Zuliani G

The B12 injection goes into the muscle which bypasses the entire GI system and gets slowly absorbed by the blood over time, circulating to the body

PMCID: PMC7489598