Inositol findings in PCOS depend on the comparison
An umbrella review reported some reproductive and metabolic benefits versus placebo or an undefined comparator; most comparisons with metformin were statistically nonsignificant.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Inositol had favourable results for several hormone, metabolic and reproductive outcomes compared with placebo or the comparator labelled FA. Most comparisons with metformin were statistically nonsignificant, which does not establish equivalence. This abstract-based summary suggests possible benefits for women with PCOS, while the evidence remains uncertain and varies by outcome.
No evidence item was rated high quality. The abstract omits certainty ratings specific to live births, baseline live-birth rates and follow-up durations, limiting interpretation of the relative estimate.
What researchers found
Live births
Live births were estimated to be 2.29 times as likely with inositol as with placebo/FA. The confidence interval describes uncertainty around that relative estimate. Follow-up was not reported.
Keep outcomes separate
The review examined hormone levels, insulin-related measures and reproductive outcomes. It reported live births and ovulation separately. That distinction lets readers assess reproductive outcomes directly, without assuming that a laboratory change translates into a pregnancy.
What metformin comparisons showed
Most comparisons with metformin were statistically nonsignificant. Triglycerides and pregnancy rates were exceptions, but the abstract gives neither the size nor direction of those differences. These results leave the relative advantages of the options unclear.
The original publication
Effects of inositol in women with polycystic ovary syndrome: an umbrella review of meta-analyses from randomized controlled trials.
Duan M, Yang M, Li C et al.
Front Endocrinol (Lausanne) · 2026
- PubMed ID
- 41757236
- Record checked
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