Don't know how much information you have about all things B12 - you've obviously been reading , so I'm going to,post some links below that will give you information about how B12 deficency should be diagnosed, treated, and managed, together with the U.K
A targeted blend of methionine, inositol, choline, and methylcobalamin
Less than 100 mg/dL (5.6 mmol/L) is considered normal
It has to be mentioned that KO mice for IGF-1 gene are not viable and studies in such mice have to be done in the first days of life, and thus results are not very conclusive as metabolism is not properly established at this stage [129, 228]
What time of day should I dose it