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 Biovit 12 Depot Intramascular Injection ( Vitamin B 12 Hydroxocobalamin 1000 g + Folic acid 1000 g + Vitamin B 6 20 mg ) 2 ampoules Comment b12 to get free ebooks. Vitamin B12 Injection Complete Dosage Guide, 1 Forms of B12 Used for Injection:, Methylcobalamin Active, brain + nerve repair form (best for long term use)., Two key signs appearing on your skin could indicate a lack of vitamin B12