Inositol for PCOS

Sugar alcohol, not a true vitamin, involved in insulin signal transduction and cell membrane structure; myo-inositol is well studied for improving insulin sensitivity and ovulation in PCOS, and for reducing panic and anxiety symptoms.

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On this pageOverview Evidence Community outcomes Related

Why Inositol for PCOS?

The connection

Polycystic ovary syndrome — hormonal imbalance, irregular cycles, insulin resistance, and fertility issues.

Also known as: Myo-inositol, D-Chiro-inositol

Evidence analytics

Inositol × PCOS: at a glance

Every published result for this pair, extracted and audited.

These charts group published studies by what they reported and how they were run — green marks studies that reported a benefit for this pairing. Tiers run from pooled analyses of many trials (strongest) to one-off observational reports.

What the evidence shows

Direction of reported outcomes for Inositol in pcos.

Benefit

Evidence quality mix

Study designs behind these findings.

Randomised trial

Studies

Reviews & meta-analyses

RCT findings

685

Participants (where reported)

Study results, as reported by the publications

Every measured outcome, one row per finding - numbers exactly as reported.

Study	Design	n	Duration	Outcome measured	Reported result	Direction
PMID 25670222 2015	Randomised trial	137	6 months	Acne score	reported qualitatively	Benefit
PMID 25670222 2015	Randomised trial	137	6 months	Endocrine parameters	reported qualitatively	Benefit
PMID 25670222 2015	Randomised trial	137	6 months	Insulin resistance	reported qualitatively	Benefit
PMID 25670222 2015	Randomised trial	137	6 months	Menstrual cycle regularity	reported qualitatively	Benefit
PMID 25670222 2015	Randomised trial	137	6 months	Metabolic parameters	reported qualitatively	Benefit

← Zoom out: all evidence for Inositol Zoom out: compare compounds for PCOS →

Peer-reviewed research

Inositol × PCOS: the evidence base

Hand-selected PubMed studies, linked to the originals.

6studies referenced

6journals

2023–2025publication range

Ordered by strength of evidence, then result direction.

01Comparison of metformin with inositol versus metformin alone in women with polycystic ovary syndrome: a systematic review and meta-analysis of randomized controlled trialsKelly FA, et al. · Endocrine · 2025PMID 39331347 ↗02Transdiagnostic reduction in cortical choline-containing compounds in anxiety disorders: a (1)H-magnetic resonance spectroscopy meta-analysisMaddock RJ, et al. · Molecular psychiatry · 2025PMID 40913113 ↗03Inositol for Polycystic Ovary Syndrome: A Systematic Review and Meta-analysis to Inform the 2023 Update of the International Evidence-based PCOS GuidelinesFitz V, et al. · The Journal of clinical endocrinology and metabolism · 2024PMID 38163998 ↗04Nutrition and bipolar disorder: a systematic reviewGabriel FC, et al. · Nutritional neuroscience · 2023PMID 35608150 ↗

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Important: This page reflects observational, aggregate-only community reporting and independent published research. It is not medical advice, and it does not claim any compound treats, cures, or is effective for any condition. Always consult a qualified healthcare professional before starting, stopping, or changing any supplement or treatment.