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Inositol

Myo-inositol, D-chiro-inositol, Vitamin B8

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Meta Information

ID:inositol
Name:Inositol
Schema Version:1.5

Alternate Names

  • Myo-inositol
  • D-chiro-inositol
  • Vitamin B8

Intervention Type

therapeutic_agent

Expected Cost Mean

Low Cost:
5
High Cost:
15
Cost Type:
monthly
Description:
Widely available as an inexpensive bulk powder or in capsules.

Summary

Inositol is a carbocyclic sugar that functions as a secondary messenger in insulin signaling pathways. Its primary relevance to healthspan is its ability to improve insulin sensitivity and glucose metabolism, key components of metabolic health that decline with age. It also plays a role in neurotransmitter function and maintaining cell membrane integrity.

Purpose

Improves insulin sensitivity, glucose metabolism, and supports cellular signaling.

Card Summary

A sugar-like molecule that enhances insulin signaling and metabolic health.

Drug Class

Drugs In Class

Empty Array

Impact

Score:
5.5
Justification:
Effective for improving insulin sensitivity and metabolic health, particularly in specific populations.

Evidence

Grade:
A
Score:
8.5
Justification:
Multiple meta-analyses and human RCTs confirm efficacy for metabolic health and PCOS.

Safety

Score:
2.5
Justification:
Generally recognized as safe (GRAS) with only mild GI side effects at high doses.

Flags

  • High doses (>12g/day) may cause mild gastrointestinal distress like gas or diarrhea.
  • The 40:1 myo- to D-chiro-inositol ratio is considered optimal for metabolic benefits.
  • Use with caution if taking diabetes medications due to potential blood sugar-lowering effects.
  • Consult a physician if taking psychiatric medications, as inositol can affect neurotransmitter systems.

Verdict

A safe, evidence-backed tool for improving insulin sensitivity and metabolic health.

Created

2026-04-26T17:44:25.065781Z

Model

Gemini 3.1 Pro (High)

Delivery

Route:
multiple
Scope:
  • systemic

Indication

Focus:
healthspan
Description:
Inositol is a carbocyclic sugar that functions as a secondary messenger in insulin signaling pathways. Its primary relevance to healthspan is its ability to improve insulin sensitivity and glucose met...

Typical Protocol

  • For metabolic health, 2-4 grams of myo-inositol are taken daily, often split between two doses.
  • A common evidence-based formulation uses a 40:1 ratio of myo-inositol to D-chiro-inositol.