Vitamin D plays an important role in providing immune support through its ability to enhance autophagy.71 It has been shown to play an important role in maintaining normal immune function and in controlling crosstalk between the innate (mature) and adaptive (naive) immune systems.71 Autophagy is an important mechanism for cellular homeostasis and survival during pathologic stress conditions in the liver; vitamin D, acting through autophagy-dependent pathways, can preserve liver function.72 Its ability to induce both autophagy and apoptosis through various cell signaling pathways also provides a protective effect in other organs.73;74
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