lump at injection site after b12 shot Hard and slight bruise inj The 3 Most Common GLP-1

May be more useful info in pinned post "Various B12D/PA resources" on right of screen if on computer

Well cover the main rules for IV B12 therapy , like how much to take and how to do it

B12 (Methylcobalamin): supports energy and healthy nerve cells

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

What is the difference between 5-amino-1mq base and 5-amino-1mq salt forms