Wholesale High Quality OEM Injectable Omeprazole Horse Company Products Analgin Injection 50% Junyu Pharm Manufacturer and Supplier Junyu Pharm Vitamin B 12 Injection 1000Mcg Ml 250Ml HOW TO SELF INJECT B12 AT HOME with Dr. Tyler Rogers If you've been prescribed vitamin B12 shots or exploring at home wellness, this step by step guide will walk you through how 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 you B12 Shots at Home: How, Where & How Often to Inject Yourself AZ IV Medics Vitamin B12 for Horses Rivas Remedies