For most people, getting the recommended amounts of vitamin B12 from food is easy
Concentration by Application Area Concentration Effectiveness Chart Research supports specific concentration ranges for different skin benefits
At 12mg per week: Draw 2.4mL = 240 units
Subsequent hematologists noted characteristics of megaloblastic anemia in the peripheral blood (ie, macrocytes, poikilocytes, and hypersegmented neutrophils) and bone marrow (eg, megaloblasts, meta-myelocytes, and megakaryocytes) (139)
Second, most people with a raised B12 do not have cancer and will not develop it
Protocols, doses, and reactions reported below come from preclinical animal research and self-reported community sources