Best Vitamin B12 Injection Sites MedHealth 360 B 12 (Methylcobalamin) Therapy MedClub by Dr Jenn Subcutaneous vs intramuscular what's the difference? #vitamintherapy #theb12store #injection How to self inject intramuscular vitamin B12 Overview Guy's and St Thomas' NHS Foundation Trust Types of injections explained! Understanding the angles: intramuscular (im) : injects deep into the muscle at 90. subcutaneous (sc) : goes under the skin at 45. intravenous (iv) :
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b12 injection sub q or im B12 Shots at Home: How, Where & How Often to Inject Yourself