Adaptogen
Licorice
Also known as: Glycyrrhiza glabra, Licorice, Licorice Root, Gan cao
B
Evidence
Root that inhibits cortisol breakdown, extending its effects—useful for low cortisol states.
Primary uses
- Adrenal support
- Low cortisol
- Digestive support
- Low cortisol support
- Fatigue
- Low blood pressure
How it works
- Inhibits cortisol breakdown (11β-HSD)
- Extends cortisol half-life
- Mineralocorticoid effects
Dosage
- Typical range
- 200-400mg extract (NOT DGL)
- Timing
- Morning
- With food
- Either
- Duration
- Short courses, not long-term
- Special populations
- Low cortisol, adrenal fatigue (not high cortisol!)
Forms
- Whole root
- DGL
- Whole root extract
- Standardized extract
- NOT DGL
Safety
Common side effects
- Raised blood pressure
- Water retention
- Headache
Contraindications
- Hypertension
- Heart disease
- Kidney disease
- HIGH cortisol
Known interactions
Evidence notes
Extends cortisol action (use for LOW cortisol only)
Grade B: Some human trials support key claims; further confirmation needed.
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