can b12 injections be given subcutaneously Best Vitamin Injection Site: Administering B12 Shots VITAMIN B12 INJECTION 3000 mcg
Description
Very serious side effects such as chest pain and difficulty breathing are rare
Medically Reviewed on 6/10/2026 Harvard T
Maintenance dose: After the loading course, most people have one injection every 2 to 3 months
doi: 10.1371/journal.pone.0134927
