Last verified: 17 days ago
Plantain Leaf
Also known as: Plantago major, Plantago lanceolata, broadleaf plantain, ribwort plantain, common plantain, narrowleaf plantain
Evidence under review. — Not yet rated
Traditional herb used for soothing irritated tissues and mild respiratory support. Limited clinical evidence.
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What it does
Plantain leaf (not the banana-like fruit) is a common wild plant used for centuries in traditional medicine. It contains compounds like aucubin, allantoin, and mucilage that are thought to soothe...
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Evidence quality
Evidence base hasn't been formally rated yet. See research below.
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Clinical dose
No established dose
What the Science Says
Plantain leaf (not the banana-like fruit) is a common wild plant used for centuries in traditional medicine. It contains compounds like aucubin, allantoin, and mucilage that are thought to soothe irritated mucous membranes in the throat and airways. Traditionally, it has been used as a mild expectorant, a topical wound soother, and a digestive aid, though modern clinical trials confirming these effects in humans are largely absent.
What It Doesn't Do
Not proven to treat infections or serious respiratory conditions. No clinical evidence it cures allergies. Won't replace prescribed medications for asthma or bronchitis. No proven weight-loss or detox effects despite some marketing claims.
Evidence-Based Benefits
Traditionally used to soothe irritated throat and mucous membranes due to mucilage content.
Weak EvidenceEffective at: No established dose
Used in traditional medicine as a mild expectorant to support airway comfort.
Weak EvidenceEffective at: No established dose
Topically applied plantain leaf has a long history of use for minor skin irritation and wound soothing.
Weak EvidenceEffective at: No established dose
Absorption & Bioavailability
Unknown — no pharmacokinetic studies were provided or are widely available in the clinical literature.
Red Flags to Watch For
- No clinical trials were found in the provided data — all use is based on traditional or pre-clinical evidence only
- Plantain leaf can cause allergic reactions in people sensitive to Plantago pollen
- May interact with blood-thinning medications due to potential anticoagulant properties
- Widely used in supplements (1,000+ registered products) despite very limited human clinical evidence
- Wild-harvested plantain can be contaminated with pesticides or heavy metals if sourced from roadsides or untested areas
Products Containing Plantain Leaf
See how Plantain Leaf is used in these analyzed products:
Frequently Asked Questions
What does Plantain Leaf do?
Traditional herb used for soothing irritated tissues and mild respiratory support. Limited clinical evidence.
What is the effective dose of Plantain Leaf?
No established dose
Is Plantain Leaf safe?
No clinical trials were found in the provided data — all use is based on traditional or pre-clinical evidence only
What doesn't Plantain Leaf do?
Not proven to treat infections or serious respiratory conditions.
Research Sources
- General knowledge — Limited published research available. No clinical papers were provided for this analysis.
This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-05-25