A recent study conducted in China reveals that vitamin D supplementation significantly improved metabolic health markers in women with polycystic ovary syndrome (PCOS), particularly those with obesity or insulin resistance (IR). The 12-week randomized controlled trial demonstrated that vitamin D intake improved body mass index (BMI), waist-to-hip ratio (WHR), and reduced insulin resistance and lipid levels, including triglycerides (TG), total cholesterol (TC), and low-density lipoprotein cholesterol (LDL-C). The study emphasizes the potential of vitamin D as a supportive treatment for managing metabolic dysfunctions in PCOS women, especially in those with pre-existing obesity or IR, although further research is needed to explore optimal dosing and long-term effects.
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