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Its possible to have "normal" levels on this test but still have a functional deficiency where your body can't actually use the B12 it has
B12 can help regulate your metabolism, making it easier to maintain a healthy weight
That single distinction, downstream fragment versus upstream signal, drives every other difference between them: what happens to your IGF-1, how strong the human evidence is, and who each one fits
This can lead to better health overall
Yes, but it must be done carefully to avoid damage from repeated freeze-thaw cycles
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