“…In conclusion, the latest evidence on Vitamin D and autoimmune diseases (rheumatological, endocrinological, neurological, and many others) constantly stimulate new research to clarify the pathophysiology of this link. Multicenter, double-blinded, randomized, placebo-controlled trials are still lacking and desirable to determine the best use of vitamin D supplements (dose, duration, intake) as ancillary therapy to improve at least the quality of life of autoimmune patients [30].…”