Yes, vitamin B12 works well with other treatments
However, for those with more severe deficiencies, it might take a bit longer or require a series of injections to fully replenish their stores and experience the full benefits
It really depends on your lifestyle, diet, and how active you are
Wang H, Storlien LH, Huang X-F
A Vitamin B12 injection is an intramuscular or subcutaneous administration of cobalamin a water-soluble vitamin essential for neurological function, red blood cell synthesis, DNA replication, and energy metabolism
Administration Depending on current best practices, treatment may be via injection or other medically approved delivery