Vitamin B12 is best injected intramuscularly into the deltoid (upper arm), thigh, or gluteal muscle (buttocks)
Heres why were a trusted choice for B12 injections: Experienced Professionals: Our team is skilled in administering injections safely and effectively
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
Fat: 0.3-0.5 grams per pound of body weight
Vitamin B-12 Shots If you have trouble absorbing Vitamin B-12 through your digestive system, a B-12 injection can help you with a multitude of health issues