About Plantain
The leaf of Plantago major/lanceolata (a roadside weed, not the banana), traditionally used for cough, wounds and mucous-membrane irritation as a demulcent. Evidence is traditional and preclinical; controlled human trials are lacking.
What Plantain supports
- Traditional demulcent herb for cough and skin
How much Plantain to take
The RDA prevents deficiency. The effective range is what clinical trials used to actually move the outcome.
Effective
250–1000
mg
Traditional use varies; no established therapeutic dose. (Plantago leaf, not banana plantain.)
Clinical evidence
Limited clinical evidence. Traditional/preclinical evidence only
Reference