Aesthetic VIT B12 INJECTIONS ARE AVAILABLE NOW Unlike other forms of oral supplements, vitamin injections go straight to work. Oral supplements must be digested and absorbed by the body, Vitamin B12 injections deliver high doses of this essential vitamin directly into your bloodstream for better absorption than oral supplements to boost energy, support red blood cell production and maintain nerve function. Vitamin B12 Injection Manufacturer AdvaCare Pharma Still taking vitamin B12 injections? Move over shot. A pill may be just as good. Dr. Leslie Greenberg's Blog