b12 injections and headaches Why Do I Feel Worse After My Injection? Understanding Post-Injecti – Oxford Origins I've had a migraine since

What high B12 means If your B12 is elevated because of supplements or injections, its usually harmless

This, in part, reflects the challenge and mistrust of the medical establishment, which worsened during the Covid pandemic, but was already showing strong signs of opposition by the wide adoption of supplements (with a very similar lack of supportive data on efficacy and safety) long before 2020

[3] Treatment is by vitamin B 12 supplementation, either by mouth or by injection

Diet changes, particularly increased sodium intake, commonly cause water retention

Monitor the injection site for any unusual redness, swelling, or pain

Increases in dermal collagen and improved hydration likely underlie these effects