vitamin b12 injections side effects skin The Studio London Vitamin B12 shots: Uses, benefits,
Description
There is a need for large, longer-duration phase II clinical trials that test the efficacy of intravenous vitamin C in cancer progression and overall survival, especially following the recent report of a significant benefit in pancreatic cancer
When large doses are given by mouth, B 12 absorption does not rely on the presence of intrinsic factor or an intact ileum

This is the standard for most GLP-1 self-injections

Unless you have a gastrointestinal condition that affects B12 absorption, it's usually not an immediate concern
