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 B12 Injections vs. Supplements: Which is Right for You? Are you feeling run down? Low Energy? A quick Vitamin B12 injection can help support energy, metabolism, and overall wellness. It delivers the vitamin directly into the muscle, allowing your body to B12 vitamin Store Intramuscular vs Subcutaneous Injections for vitamin B12 supplements.