Heller explained that it's difficult to tease out the effect of any one particular nutrient. But, she added, "If a woman wants to shift to a more plant-based diet, it may contribute overall to reduced oxidative stress and inflammation, which may help reduce the symptoms of PMS, and heart disease and other conditions."
While the study found an association between dietary iron and zinc and decreased PMS symptoms, it did not prove a cause-and-effect relationship.
Learn more about premenstrual syndrome from the U.S. Office on Women's Health.
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