Mimosa Pudica
EVIDENCE: INSUFFICIENTAlso sold as: sensitive plant, touch-me-not, Lajjalu, Mimosa pudica seed extract
Mimosa pudica is traditionally used in Ayurvedic medicine and sold for cleansing and antimicrobial effects. Evidence is mainly laboratory and animal research, with little human support. Its compound L-mimosine is toxic at high exposure.
Compiled by iSupplementReviews editorial team ·Updated 2026-10-06 · 3 sources
- Type
- Botanical — traditional antimicrobial
- Studied dose
- No established human dose — no human clinical trials for urinary or digestive outcomes
- Best form
- Undefined — no standardized extract exists with clinical validation
- Our rating
- INSUFFICIENT — No meaningful human evidence
What is Mimosa pudica?
Mimosa pudica is a tropical plant whose leaves fold when touched. Called Lajjalu in Ayurveda, it has traditional wound, digestive, and urinary uses. Supplement claims about cleansing and antimicrobial effects mainly rely on laboratory and animal research.
Its appeal to formulators is the name and the laboratory data. Its problem is that essentially nothing about it has been tested in humans.
Where does it come from?
Native to Central and South America, now pantropical: India, Southeast Asia, Africa. Supplements typically use the seed or whole-plant extract. Ayurvedic tradition used the root and above-ground parts.
How is it supposed to work in the body?
The proposed mechanism is antimicrobial: extracts inhibit E. coli, Staphylococcus aureus, Klebsiella, and Candida in lab cultures. Active constituents named in the literature include L-mimosine (a non-protein amino acid with antibacterial activity, and documented toxicity), flavonoids, tannins, and alkaloids. Whether any of this survives digestion and reaches meaningful concentrations in the human gut or urinary tract is unstudied.
What is Mimosa pudica claimed to do?
Supplement marketing assigns it: parasite and “gut cleanse” roles, antimicrobial urinary support, anti-inflammatory effects, and, in bladder formulas, helping “rebalance” the urinary microbiome by suppressing unwanted bacteria. All of it is extrapolation from dishes, not data from people.
What does the research show?
| Claim | Evidence | Dose studied | Verdict |
|---|---|---|---|
| Antibacterial vs E. coli & urinary pathogens | laboratory only (200 mg/mL extract concentrations) | n/a | Lab finding only |
| Antioxidant | laboratory | n/a | Lab finding only |
| Urinary/bladder benefit | None | — | Unproven |
| Gut cleansing / parasite removal | Traditional claim, no trials | — | Unproven |
The antimicrobial data — real, and irrelevant to capsules
Mandal et al. (2022, Evid Based Complement Alternat Med), the same study FemiCore’s own references page cites, tested ethyl-acetate extract at 200 mg/mL against standard bacteria and found inhibition zones. To put that in human terms: achieving anything near that concentration in urine would require doses orders of magnitude beyond a blended capsule, and the paper itself is laboratory, not a treatment study. Docking models suggested L-mimosine binds bacterial proteins: a hypothesis, not a result.
The safety signal nobody mentions
L-mimosine is a documented toxic amino acid: in animal studies, sustained exposure is associated with hair loss, growth suppression, and reproductive effects. Traditional use is short-course; a 2024 review noted the absence of clinical validation and standardization as the field’s defining gap. There is no established safe human daily dose, which is an uncomfortable thing to have inside a take-it-forever supplement.
What dose was studied?
None; there are no human trials of Mimosa pudica for any outcome. Traditional decoction doses are not translatable to capsule extracts, and no standardized extract has been clinically validated.
Side effects
Not characterized in humans. Animal data flags mimosine-related toxicity at sustained high exposure; digestive upset is plausible. The answer is that the safety profile is unstudied, not “clean.”
Drug interactions
Unknown; no human interaction studies exist. Given antimicrobial and possible anti-nutrient properties of mimosine (it binds metals and inhibits some enzymes in lab work), caution with mineral supplements and thyroid hormone is prudent speculation, not documented fact.
Who should not take Mimosa pudica?
Pregnant or breastfeeding women (traditional pregnancy-adjacent cautions in some systems), anyone trying to conceive (reproductive-toxicity signals in animal data), and anyone who prefers ingredients with human safety data.
What the authorities say
No major regulator has evaluated it. It holds no EMA monograph, no Commission E approval, no NCCIH assessment. It sits in the large unregulated space of botanicals whose entire review is traditional use plus test tubes: legal to sell, unproven by any institutional standard.
What to know about Mimosa pudica
Mimosa pudica has little human evidence of benefit. Its laboratory antimicrobial activity does not establish clinical effectiveness, and L-mimosine is toxic at sustained high exposure. Missing dose information adds uncertainty rather than reassurance.
Frequently asked questions about Mimosa Pudica
Does Mimosa pudica have human clinical trials?
Essentially none for supplement purposes. The literature is laboratory antimicrobial assays, animal studies, and ethnobotanical reviews; a 2024 clinical review explicitly noted the gap between lab findings and human trial validation. Any product implying proven human benefit is extrapolating.
What is Mimosa pudica supposed to do?
In Ayurveda (as 'Lajjalu') it's used for wounds, diarrhea, and urogenital complaints. In supplement marketing it's positioned as an antimicrobial that 'cleanses' the gut or urinary tract of unwanted microbes: a plausible-sounding lab finding that has never been tested in human trials.
Is Mimosa pudica safe?
Unknown in humans at supplement doses. It contains L-mimosine, a non-protein amino acid documented to cause toxicity (hair loss, reproductive effects) in animals at sustained high exposure. Short traditional use appears tolerated, but no human safety trials exist to set a safe daily dose.
Why do supplements include Mimosa pudica?
Mostly narrative value: it sounds exotic and has real antimicrobial activity in petri dishes, which lets marketing claim 'clinically researched ingredients' while citing test-tube studies. Its laboratory antibacterial effect against E. coli is real; what it does in a human bladder is unstudied.
References
- [1]In-vitro antioxidant and antimicrobial potency of Mimosa pudica — Mandal et al. (Evid Based Complement Alternat Med, 2022)
- [2]Mimosa pudica phytochemical and pharmacological review — clinical-validation gap noted (J Neonatal Surg, 2024)
- [3]Phytochemical screening and antimicrobial activity of Mimosa pudica extracts (SIU EBL, 2009)
Products we reviewed containing Mimosa Pudica
Based on recorded labels or seller-described formulas. Inclusion does not establish a match to the strains, preparations or amounts studied here; check each review's disclosure limits.