Dietary calcium is an important element to sustain bone health. Reuters Health recently published a summary of an NIH survey study that found a statistically significant reduction of stress fractures among adolescent girls. The amount of Vitamin D ingested was described as “significant” came from diet and or supplements and was not controlled. Neither was the degree of exposure to potential bone stressors such as high impact activities. The cohort of 7000 females aged 9-15 was selected among the children of nurses participating is a long term health study.
Dietary Vitamin D is readily found in cold water fatty fish, green leafy vegetables, and diary products.