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D-Chiro-Inositol

Supplement
D-
Moderate Evidence

Top D-Chiro-Inositol supplements for…

About D-Chiro-Inositol

A minor inositol isomer involved in insulin signaling. Most commonly studied alongside Myo-Inositol for PCOS at a 40:1 ratio. Well tolerated at typical doses. No established RDA/UL.

What D-Chiro-Inositol supports

  • May support hormonal balance in PCOS (with Myo-Inositol)
  • Involved in insulin signaling pathways

How much D-Chiro-Inositol to take

Clinical studies typically use 25–100 mg of D-Chiro-Inositol. Typical D-Chiro-Inositol dose; often paired with Myo-Inositol in a 40:1 ratio (e.g. 2000 mg Myo : 50 mg DCI).

Effective range
25–100 mg

Clinical evidence

Moderate clinical evidence. A few trials support its use alongside myo-inositol for PCOS at a 40:1 ratio

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