General Dosage
500-1,500mg root powder daily in divided doses, or cold infusion (2-5g root in cold water)
Maximum dose: No established upper limit; EMA suggests up to 15g/day of dried root as infusion
Marshmallow Root Dosage Guide
This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer
Dosage Recommendations
General recommendation: 500-1,500mg root powder daily in divided doses, or cold infusion (2-5g root in cold water)
Timing: Before meals for GERD; between meals for general gut soothing
Dosage by Condition
| Condition | Recommended Dose | Evidence |
|---|---|---|
| GERD/heartburn | 500mg before meals | Preliminary |
| Gastritis/GI irritation | 1,000-1,500mg daily in divided doses | Preliminary |
| Cough/throat soothing | Tea or lozenge as needed | Preliminary |
Upper limit: No established upper limit; EMA suggests up to 15g/day of dried root as infusion
Timing & Absorption
Before meals for GERD; between meals for general gut soothing
Can be taken with or without food.
References
- Al-Snafi AE. (2013). The pharmaceutical importance of Althaea officinalis and Althaea rosea: a review. International Journal of PharmTech Research.
- European Medicines Agency. (2016). Assessment report on Althaea officinalis L., radix. EMA/HMPC Committee on Herbal Medicinal Products.