can b12 injections raise blood pressure at a Med Spa: What Risks Should You Know First? Understanding the B12 Vitamin Shot:
Description
N.ZhaoJ.RedellJ

Up to 50% improvement in cognitive performance and mood-related symptoms has been reported in patients treated with B12 injections, especially in those with mild deficiency

The muscle must be easy to reach
The NHS treatment pathway and the 2024 NICE guideline both assume B12 injections are given in a clinical setting against a confirmed deficiency, not self-sourced and self-administered
