PCOS supplement review found laboratory changes, with several results uncertain
Trials in women with polycystic ovary syndrome reported different laboratory results for different supplements. Several measurements did not differ significantly from placebo, and symptom benefits remain unestablished by these results.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
In women with polycystic ovary syndrome, the review reported changes in cholesterol, insulin-resistance and other laboratory measurements with different supplements. Several hormone and inflammation-related outcomes showed no statistically clear differences from placebo. These findings describe specific laboratory endpoints; they do not establish broad symptom relief or identify a supplement that is best for every outcome.
The abstract gives rankings without effect sizes, confidence intervals or treatment durations. It does not report corresponding symptom outcomes, limiting assessment of the practical importance of the laboratory changes.
Different supplements led different measurements
Inositol lowered total cholesterol and triglycerides, while other supplements were highlighted for different lipid, hormone or insulin-resistance measurements. The network combined direct comparisons with indirect evidence. An outcome-specific ranking does not establish an overall best supplement.
Several placebo comparisons were inconclusive
The reported placebo comparisons were statistically inconclusive for testosterone and several other hormone, inflammation and nitric oxide measurements. These findings leave uncertainty about those endpoints and should not be interpreted as proof that the supplements and placebo have identical effects.
The original publication
The effectiveness of nutritional supplements in improving polycystic ovary syndrome in women: a systematic review and network meta-analysis.
Zhao G, Fan Y, Li R et al.
Reprod Biol Endocrinol · 2025
- PubMed ID
- 40611279
- Record checked
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