can b12 injections be toxic Are Vitamin Shots Right for You? Sublingual B12 vs. B12 Injections:

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For every young clinician: cultivate your examination skills as diligently as your technical skills

Forum Support in reply to As an aside, we are unsure if the fatigue is purely down to B12 deficiency or if its long covid" If your B12 deficiency is not due to diet, I'd expect GP to at least test you for PA and Coeliac disease, two autoimmune conditions that can lead to B12 deficiency

For reference, good candidates "have true hollowness at the infraorbital rim, minimal under eye bags and good eyelid skin tone," writes board-certified plastic surgeon Lyle Leipziger over e-mail