Depofort B12 injections to compensate for vitamin B12 deficiency and strengthen the nerves. Depofort B12 is the best vitamin to compensate for vitamin B12 deficiency. The most famous for treating nerves. It is used for patients with nerve inflammation. Depofort B12 helps improve the functions of the central nervous system. Depofort B12 is composed of vitamin B12 (hydroxocobalamin).