BioStacks
Best D-Chiro-Inositol for Hormones
Top 2 products ranked
Last reviewed May 2026
Clinical dose: 25–100 mg
Why D-Chiro-Inositol for Hormones
D-Chiro-Inositol plays a supporting role in hormones. A minor inositol isomer involved in insulin signaling. Most commonly studied alongside Myo-Inositol for PCOS at a 40:1 ratio.
What dose to look for
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). Products below this range may not deliver meaningful results.
What the research says
D-Chiro-Inositol has moderate clinical evidence for hormones benefits. A few trials support its use alongside myo-inositol for PCOS at a 40:1 ratio Learn more

