While it varies from case to case, its usually recommended that you take oral supplements every day
If you need to lose in excess of 15 pounds, consider the medically-supervised weight loss program
Kelner, M.J., Bagnell, R.D., Uglik, S.F., Montoya, M.A
In humans, cyanocobalamin must undergo intracellular enzymatic conversion to the active coenzyme formsmethylcobalamin and adenosylcobalaminwhich, depending on the pH environment, can interconvert with hydroxocobalamin ( Despite extensive biochemical knowledge of cobalamin metabolism and its physiological importance, the optimal supplementation route for maintaining or restoring adequate vitamin B12 levels remains debated
You want to maintain steady levels in your system rather than having huge spikes and dips