a true vitamin B12 overdose is extremely rare
Route: Intramuscular injection (into a muscle, such as the gluteus or deltoid) is the most frequent route for this therapy, as it allows the vitamins to be absorbed over time from the muscle depot
Researchers administered a one-time intraperitoneal injection (BPC 157 (200 or 2 g/kg) or 0.9% NaCl (5 ml/kg) 10 minutes after injury and concluded that all of the injured rats that received BPC-157 exhibited consistent clinical improvement [25]
Retrieved 18 April 2020
5 BENEFITS OF B12 SHOTS THAT YOU SHOULD KNOW ABOUT Some of the potential benefits of B12 shots include a positive impact on ones mood, energy, weight, red blood cell formation, and immunity
18 Considering this, it stands to reason that atypical nutrient screening markers, such as thiamin and copper, are not evaluated in a vast majority of patients long-term