According to estimates, up to 20 percent of all women suffer from premenstrual syndrome (PMS). While the symptoms of PMS might vary from person to person, they usually include conditions such as depression, irritability, cramping and headaches.
In this study, researchers looked at the levels of calcium and vitamin D intake in a group of approximately 3,000 women, more than a third of whom had experienced symptoms of PMS over a 10-year period. Results showed that women consuming the highest amounts of calcium were 20 percent less likely to suffer from PMS than women who consumed the lowest amounts of calcium. In addition, women with the highest levels of vitamin D intake were 41 percent less likely to develop symptoms of the condition compared to women taking the least amount of vitamin D.
Of course, vitamin D and calcium also play key roles in the prevention of another condition many women are prone to develop as they age - osteoporosis. Here are some general daily intake guidelines for women and men to follow, to ensure they get enough calcium and vitamin D in their diet (see table below).
Resources:
- Bertone-Johnson ER, Hankinson SE, Bendich A, et al. Calcium and vitamin D and risk of incident premenstrual syndrome. Archives of Internal Medicine 2005;165:1246-1252.
- Dietary Reference Intakes for Calcium, Phosphorus, Magnesium, Vitamin D and Fluoride, 1997. Washington, DC: National Academies Press.
- Dietary Supplement Fact Sheet: Vitamin D. Office of Dietary Supplements, National Institutes of Health. Click to view it online
- Fact sheet on calcium. Harvard University Health Services Web site: Click to view it online.
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