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Marshmallow Root Side Effects & Safety

This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer

Safety Profile

Overall safety rating: Generally Safe

Potential Side Effects

  • Very well tolerated with minimal reported side effects
  • May slow absorption of oral medications due to mucilage
  • May lower blood sugar — monitor if diabetic

Drug & Supplement Interactions

  • Oral medications — take 1-2 hours apart; mucilage may delay absorption
  • Diabetes medications — marshmallow root may have mild hypoglycemic effects
  • Lithium — theoretical concern about altered lithium excretion

Maximum Dose

Do not exceed: No established upper limit; EMA suggests up to 15g/day of dried root as infusion

References

  1. (). The pharmaceutical importance of Althaea officinalis and Althaea rosea: a review. International Journal of PharmTech Research.
  2. (). Assessment report on Althaea officinalis L., radix. EMA/HMPC Committee on Herbal Medicinal Products.