Hydroxocobalamin acetate 10 mg 2 ml Nutrined B12 deficiency: Symptoms include feeling tired after a good night's sleep Express.co.uk 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 How Soon Do You Feel Less Tired After a B12 Injection? COBALAMIN DEPOT 1000 MCG ML FOR PROPHYLAXIS & TREATMENT OF VITAMIN B12 DEFICIENCY ( HYDROXOCOBALAMIN) 5 IM