giving a b12 injection in the arm How to Give Vitamin - Easy Guide Best Vitamin B12 Injection Sites:

Why many people and doctors choose the deltoid part of the shoulder to give intramuscular injections is because there is less fat tissue there than in other areas such as the buttocks and hips

This injection bundle may assist in maintaining momentum after weight loss as part of a healthcare-directed regimen

[2] How to Manage Discomfort After B12 Treatment Effective management of post-injection discomfort involves both practical self-care measures and appropriate medical follow-up

Pediatric Oncall Drug Database

Given their non-invasive nature, accessibility, and cost-effectiveness of sublingual formulations, they may represent a promising approach for long-term B12 management, particularly in patients with impaired absorption or in resource-limited settings