side effects of a b12 injection Are Injections Safe? & Risks Explained Why Do I Feel Worse

Conclusion Administering your own B12 injections at home may seem daunting at first, but with proper preparation and practice, it can become a straightforward and empowering part of managing your health

RS: Resources, Supervision, Validation, Writing original draft

The compounds molecular weight and structure allows for cellular penetration, making it useful for researchers studying intracellular metabolic processes

doi: 10.3389/fphar.2025.1602976 Received 30 March 2025 Revised 13 November 2025 Accepted 14 November 2025 Published 19 December 2025 Volume 16 - 2025 Edited by Bernd Rosenkranz, Fundisa African Academy of Medicines Development, South Africa Reviewed by Kacper Nijakowski, Poznan University of Medical Sciences, Poland Miriam Njoki Karinja, Science for Africa Foundation, Kenya Updates Copyright 2025 Mazur, Ndokaj, Salerno, Vallone, Ardan, Bietolini, Carrouel, Wilk, Sarig, Ottolenghi and Bourgeois

A diet rich in animal products, fortified foods, nutritional yeast, and supplements helps maintain adequate B12 levels

Question Oral or subcutaneous timing