US$ 23.94
b12 injection areas Injections at Home - Safety Guide for Self-Administration Optimal B12 Injection Sites for
Description
WADA does not list it explicitly but it falls under category S2 (hGH analogues)

FAQs Beginner dose

Going to a patient-friendly infusion center is a low cost, convenient and comfortable alternative self injecting B12

Each site offers unique benefits and considerations: Deltoid Muscle: Located in the upper arm, the deltoid site is easily accessible and widely used for vaccinations