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Show 120 Dustin Hunsaker school of medicine and health sciences Proper skeletal mineralization requires a sufficient amount of vitamin D to be present. Insufficient levels of vitamin D have adverse effects to health including musculoskeletal, neurological, and immunological health. Vitamin D deficiency is prevalent, and studies have shown that approximately 42% of the US popu-lation has less than anadequate level of 25-hydroxyvitamin D (measurement of vitamin D level). The poor skeletal mineralization due to vitamin D deficiency often leads to patient complaints about aching in the joints and muscles. These symptoms mimic Fibromyalgia (FM) like symptoms. The objective of our study was to investigate the association between vitamin D deficiency and FM. A total of 42 FM patients were included in the study. We collected FM-related pain and other symptoms, self-reported level of vitamin D supplementation, andserum vitamin D level (25-hydroxyvitamin D). The results showed 64% of the pa-tients were vitamin D deficient (less than 30nmol/L). All of the patients who reported that they consumed no supplemental vitamin D were deficient whereas those taking more than 3000 IU per day all showed the adequate level. In addition, those FM patients who were deficient reported greater morning stiffness as compared to those FM patients who were not deficient. The groups were not significantly different in other FM symptoms. This study suggests that vitamin D deficiency is very common in FM patients and may be a contributing factor to greater stiffness. Further studies could be conducted to examine how vitamin D deficiency, particularly at the severe level, may mimic FM-like diffuse pain conditions. INFLUENCE OF VITAMIN D DEFICIENCY ON FIBROMYALGIA Dustin Hunsaker (Akiko Okifuji, Reiko Mitsunaga) Department of Anesthesiology University of Utah UNDERGRADUATE RESEARCH ABSTRACTS Akiko Okifuji |