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  1. lvysaur

    African People Aren't Vitamin D Deficient

    This post is intended to debunk the common claim that people of African descent are severely low in vitamin D. This is because vitamin D, like most hormones, has a binding globulin that attenuates its absorption. Estro/Androgens have SHBG. Vitamin D has vitamin D binding protein (VDBP). More...
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