# Ginger Root Extract (Zingiber officinale) - Clinical Longevity Review & Consensus Audit

> **Consensus Verdict**: Multiple RCTs confirm reduced hs-CRP, improved fasting glucose, and enhanced gastric emptying.

## 1. Executive Summary & Scores
- **Longevity Evidence Score**: **84/100**
- **Evidence Quality Tier**: **bronze**
- **Human Clinical Evidence Strength**: 73/100
- **Primary Longevity Classification**: supplements
- **Safety Margin Score**: 84/100 (Higher is safer)
- **Time Burden**: ~15 minutes/day
- **Estimated Monthly Cost**: inexpensive
- **Adherence Friction**: 3/10 (Lower is easier to sustain)

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## 2. Biological Mechanisms of Action
COX-2/5-LOX inhibition and 5-HT3 receptor modulation

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## 3. Canonical Longevity Vector Impacts (The 8 Longevity Pillars)
- **Chronic Inflammation Reduction**: **76/100** [Rank #50 of 126 in Inflammation] - Effect: Direct suppression of NF-kB transcription and circulating hs-CRP
    - Mechanism: Blocks nuclear translocation of NF-kappaB p65 and inhibits COX-2 / 5-LOX enzymatic cascades.

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## 4. Practical Protocol & Administration Guidelines
- **Standard Clinical Dosage**: 1,000 mg – 2,200 mg
- **Recommended Timing**: Morning with food
- **Administration Type**: supplement
- **Recommended Biomarkers to Monitor**: joint_comfort, metabolic_health, digestive_comfort, chronic_inflammation

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## 5. Safety, Contraindications & Drug Interactions
- **Contraindications**: Concurrent high-dose blood thinners (consult physician)
- **Safety Profile**: High - Well tolerated; take with food to prevent mild heartburn.

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## 6. Peer-Reviewed Human Clinical Trials & Key PMIDs
1. **Efficacy and Safety of Ginger in Osteoarthritis: A Meta-Analysis** [PMID: 25300574]
   - Link: https://pubmed.ncbi.nlm.nih.gov/25300574/
2. **The Effect of Ginger on Fasting Blood Sugar and HbA1c in Type 2 Diabetes** [PMID: 25927056]
   - Link: https://pubmed.ncbi.nlm.nih.gov/25927056/
3. **Effects of Ginger on Gastric Emptying and Motility** [PMID: 18403946]
   - Link: https://pubmed.ncbi.nlm.nih.gov/18403946/
4. **Curcumin Suppression of Inflammatory Mediators** [PMID: 28236680]
   - Link: https://pubmed.ncbi.nlm.nih.gov/28236680/
5. **Ginger on Human Health: A Comprehensive Systematic Review of 109 Randomized Clinical Trials** [PMID: 31935866]
   - Link: https://pubmed.ncbi.nlm.nih.gov/31935866/

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## 7. Canonical Citation & Web Verification
- **Official Web Review**: [Ginger Root Extract (Zingiber officinale) on LongevityReviews](https://longevityreviews.org/modalities/ginger-root)
- **Last Evidence Calibration**: 2026-08-09
- **Review Policy**: 0% sponsored placements, independent peer-reviewed consensus.