Subcutaneous vs intramuscular what's the difference? #vitamintherapy #theb12store #injection How to inject vitamin B12 into your belly Needle Injection Techniques Every Nurse Should Know! Whether you're prepping for your NCLEX or brushing up on your skills, here's a quick breakdown of the most common injection routes you'll encounter Figure. Subcutaneous injection into the deltoid area The Australian Immunisation Handbook B 12 (Methylcobalamin) Therapy MedClub by Dr Jenn