How to self administer subcutaneous B12 injection. 1. Withdraw proper dosage from vial into an insulin syringe 2. Clean site of injection (abdomen or other proper site) 3. Pinch the skin where US$ 25.52 Min. order: 1 piece ★★★★★ 4.4 (173 reviews) Sold : Login>>
Instruction Guide for Intramuscular (IM) Self-injection of B12 Methylcobalamin 1mg/5mg US$ 20.18 Min. order: 1 piece ★★★★★ 4.3 (84 reviews) Sold : Login>>
Compounded Hydroxocobalamin (Vitamin B12) Injection US$ 20.21 Min. order: 1 piece ★★★★★ 4.0 (25 reviews) Sold : Login>>