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B12 is included for energy and because it is cheap, well tolerated and gives the injection a perceptible effect though only patients who are actually deficient should expect a real energy change from it
We test as needed after that
Oral absorption is poor and first-pass metabolism heavy, so both routes land in roughly the same place
No effects on blood sugar, insulin levels, or IGF-1 were observed
Move administration earlier if you currently take it close to your first meal
If you decide to use B12 shots make sure you know WHICH type of B12 you are getting
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