is b12 an im injection Instruction Guide for Intramuscular (IM) Self-injection of Methylcobalamin 1mg/5mg B12 Shots at Home: How,
Description
Vitamin B12 plays a role in supporting neurological function and cognitive processes

Their side effects include: Cardiovascular stress : Increased heart rate and blood pressure

The larger the volume of a shot, the more pressure effect/tissue stretching effect that may occur and in a sensitive child cause a feeling of discomfort

Not for human use or diagnostic/therapeutic applications

One such piece of research is a 2020 review published in the journal Nutrients (1)

Training: Resistance training preserves muscle while losing fat
