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Myo-Inositol Dosage Guide

This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer

General Dosage

4g myo-inositol daily (often combined with 400mcg folic acid)

Maximum dose: 4g daily is the standard therapeutic dose; doses up to 12g have been studied for other conditions (OCD, panic disorder) but are not standard for PCOS

Dosage Recommendations

General recommendation: 4g myo-inositol daily (often combined with 400mcg folic acid)

Timing: Divided into 2 doses — 2g in the morning and 2g in the evening; dissolved in water or juice

Dosage by Condition

ConditionRecommended DoseEvidence
PCOS (insulin resistance, androgen excess)4g myo-inositol + 400mcg folic acid dailyStrong
PCOS with 40:1 D-chiro-inositol3.6g myo-inositol + 90mg D-chiro-inositol dailyStrong
IVF preparation4g myo-inositol daily starting 3 months before cycleModerate
Gestational diabetes prevention2-4g daily (under medical supervision)Moderate

Upper limit: 4g daily is the standard therapeutic dose; doses up to 12g have been studied for other conditions (OCD, panic disorder) but are not standard for PCOS

Timing & Absorption

Divided into 2 doses — 2g in the morning and 2g in the evening; dissolved in water or juice

Can be taken with or without food.

Full Myo-Inositol Guide

References

  1. (). Effects of myo-inositol in women with PCOS: a systematic review of randomized controlled trials. Gynecological Endocrinology. DOI
  2. (). Results from the International Consensus Conference on Myo-inositol and D-chiro-inositol in Obstetrics and Gynecology. Gynecological Endocrinology. DOI
  3. (). Randomized, double blind placebo-controlled trial: effects of myo-inositol on ovarian function and metabolic factors in women with PCOS. European Review for Medical and Pharmacological Sciences.