Vitamin D status and insulin resistance among young obese Saudi females

The percentage of 25-hydroxy vitamin D (25[OH]D) for normal, overweight, and obese in Saudi female students attending universities. The distributions of circulating 25(OH)D concentrations according to the body mass index (BMI) categorized among female students. Approximately 17.4% of the female students had a deficiency of 25(OH)D (<20 ng/ml), 27.3% had an insufficient level (>20-29 ng/ml), and 55.3% had a sufficient level (>30 ng/ml). When the subjects were classified according to BMI serum 25(OH)D concentrations was the lowest for the obese subjects (54.6%) as compared with the overweight subjects and subjects with normal weight.