D-Chiro-Inositol and Inositol (Myo-Inositol)
Each entry’s own grades, side by side. A grade says how strong the evidence is for one outcome — it does not rank one entry over the other.
Compound or practice
D-Chiro-Inositol
An inositol isomer for PCOS — best used in the physiological 40:1 ratio with myo-inositol, not alone at high doses.
Grade B1 graded outcomerevised Jul 10, 2026
A structured monograph in Prometheus's bundled library. Its grades are the monograph's own reading of the evidence, not a peer-reviewed review.
Compound or practice
Inositol (Myo-Inositol)
A sugar-alcohol with genuinely good evidence in PCOS and reasonable anxiety/OCD signals.
Grade B3 graded outcomesrevised Jul 10, 2026
A structured monograph in Prometheus's bundled library. Its grades are the monograph's own reading of the evidence, not a peer-reviewed review.
Graded in both
Outcomes are matched by name. Two entries can describe the same outcome in different words, so one listed further down may still be graded in the other.
No outcome has the same name in both entries. They may still overlap under different wording — read the two lists below.
Graded only in D-Chiro-Inositol
- PCOS (with myo-inositol) Moderate effectEvidence grade B
Graded only in Inositol (Myo-Inositol)
- PCOS (insulin/ovulation) Moderate effectEvidence grade B
- Anxiety / OCD / panic Small effectEvidence grade C
- Gestational diabetes prevention Small effectEvidence grade C
Conditions
What each entry says about the other
- D-Chiro-Inositol’s entry · Works together: The 40:1 myo:D-chiro ratio is the evidence-based form.
- D-Chiro-Inositol’s entry · Goes with: The 40:1 myo:D-chiro ratio is the evidence-based form.
Both columns are read from the entries as they stand in this library. A comparison is not advice to take either one, and it is no substitute for a clinician who knows the person.