b12 subcutaneous injection video How to self administer injection. 1. Withdraw proper dosage from vial into an insulin syringe 2. Clean site of (abdomen or other proper site) 3. Pinch the skin where Best Vitamin B12 Injection Sites:
Pay in 4 interest-free payments of $5.30 Learn more
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Sep 12 - Sep 17


