B12 shots and sublingual B12 are superior to oral tablets for absorption, especially if you have GI issues
That kind of care can be a relief when people are tired of guessing, tired of restarting, and tired of plans that never stick long enough to matter
Its more direct and more efficient than, say, getting your B12 through eating meats high in the vitamin
As injections are more easily and quickly absorbed by the body, many people use B12 injections as opposed to oral supplements
It is also required for synthesis of nucleic acid, notably DNA, the metabolism of fatty acids and amino acids in the mitochondria, and in delivering SAMe, the universal methyl donor (16) (30)
Not for Injection: This product is sold strictly as a laboratory chemical and is not licensed as "Water for Injections" (WFI)