My Acupuncture sessions generally end with a B12 Shot in Acupuncture Points. It makes the point active longer since there is pressure on it from the B12 while it absorbs. Injectable B12 is absorbed Vitamin B 12 1000mcg Injection for Pets VetRxDirect B12 Shots at Home: How, Where & How Often to Inject Yourself AZ IV Medics How to self inject intramuscular vitamin B12 Overview Guy's and St Thomas' NHS Foundation Trust Senior Dogs: Giving Easy Under the Skin (SQ) Injections Wag and Cluck Wag and Cluck