B12 Methylcobalamin vs Hydroxocobalamin The difference between in clinic B12 injections vs over the counter. There are many forms of vitamin B12, the form used at La Bella is Methylcobalamin. The What You Need to Know About Vitamin B12 Duane NP Vitamin B 12 Injection Mobile and Clinic IV Therapy ASAP IVs IV Hydration Experts of San Diego, Phoenix, Scottsdale, San Francisco Vitamin B12 injections vs tablets: which is better for you? B12 Shots for Energy: Do They Work, Who Needs Them & What to Expect Greenwich Medical Spa Vitamin B12 Shots for Energy & Wellness NMC Dallas, TX