25-hydroxyvitamin D, IGF-1, and metabolic syndrome at 45 years of age: a cross-sectional study in the 1958 British Birth Cohort.
Hyppönen E, Boucher BJ, Berry DJ, Power C.
Diabetes. 2008 Feb;57(2):298-305. Epub 2007 Nov 14.
PMID: 18003755
doi: 10.2337/db07-1122
CONCLUSIONS-Serum 25(OH)D is inversely associated with metabolic syndrome, whereas the inverse association with IGF-1 was found only among those without hypovitaminosis D. These results suggest that metabolic syndrome prevalence is the lowest when both 25(OH)D and IGF-1 are high.