feeling unwell after b12 injection Common & Rare Side Effects of Vitamin Injections Why Do I Feel Worse

Also, those who have anemia or are vegetarian or vegan will want to consider a B12 regimen, as vegetable-based diets generally dont contain the amount of B12 that you need to thrive

As far as I know (I'm not medically trained or a scientist) overdosing B12 is unlikely as excess passes out in urine

Whether youre vegan or vegetarian, over 50, recovering from surgery, or simply trying to boost your vitality, understanding the symptoms of B12 deficiency and how to treat them can change how you feel every day

doi: 10.3389/fphar.2019.01102 Received 07 May 2019 Accepted 26 August 2019 Published 20 September 2019 Volume 10 - 2019 Edited by Deslypere Jean Paul, Besins Healthcare, Thailand Reviewed by Pooja Dhupkar, University of Texas MD Anderson Cancer Center, United States