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Collins, T
Although some of the supplement doses are very high (for instance, 500 or 1,000 micrograms when a healthy adult only needs 2.4 micrograms per day), your body only absorbs what it needs and pees the rest out
Needle size is one of the most common questions people have about B12 injections, and it is a sensible one
doi: 10.1038/s41586-020-2456-9 231 Robledinos-AntnN.Fernndez-GinsR.MandaG.CuadradoA
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