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Pick the right kind of vitamin B12 There are two most common forms of vitamin B12: cyanocobalamin and methylcobalamin
The good news is that B12 injections are generally one of the more affordable wellness treatments available
The B12 injection is taken once per week
The real decision is which one fits what you want to feel and see, and whether a supervised plan that uses both would serve you better than either alone
The honest position is this: there is no head-to-head human bioavailability trial telling you which route is superior for this specific molecule, so the best route is not a settled question
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