Are Vitamin B12 Shots Right for You? How to Give a B12 Injection: Step By Step Instructions B 12 (Methylcobalamin) Therapy MedClub by Dr Jenn vitamininjections Offer this weekend only Vitamin injections are treatments where essential vitamins are delivered directly into the body via an injectionusually into muscle (intramuscular) or just under the skin. They're popular in The Wellnest Family Clinic Feeling low on energy or run down? Nutrient deficiencies like Vitamin B12 and Vitamin D can sometimes play a role. Vitamin injections Instagram How To Give Yourself Vitamin B12 Shots (with video!)