Standard Maintenance Dose The usual dose for Vitamin B12 injections is 1,000 mcg every month
Foods High in Vitamin B12 Due to vitamin B12 being an essential nutrient that your body cannot make on its own, it is necessary to get enough vitamin B12 from diet or supplementation
Although incremental Medicare expenditures peak in the year after diagnosis and decrease in the subsequent four years, outofpocket costs have been shown to increase over time, from $3,104 in the first two years after diagnosis to $3,730 in years three to four after diagnosis, to $3,934 in years seven to eight after diagnosis (in 2017 dollars
We're talking about hundreds of preclinical studies
However, for B12, if any part of that complex digestive process is compromised especially the intrinsic factor or the absorption sites in the intestine then a significant portion of the B12 from a tablet might never reach your bloodstream