CHAMGAP
VERIFIEDPassed the Codex final verification and publication gate. Evidence-verification cutoff: 2026-09-08. AI was used for research and drafting; the existence of all 3 cited sources was verified at the original page, followed by blind grading, adversarial audit, and build validation. Methodology v1.0.
Verdict No. 3080 · Search date 2026-09-08 · Methodology v1.0

Whole lotus rhizome or defined lotus-root juice,
does it really help with Reduction of menstrual blood loss in heavy menstrual bleeding?

30-Second Summary
?
Evidence Grade ? · Safety caution
Only menstrual blood loss with whole edible lotus root or juice is considered; leaf, plumule, nodes, carbonized products, and combinations are excluded.
Caution. Food-use experience does not establish the safety of therapeutic-dose lotus-root juice. A human anaphylaxis case involving lotus root has been reported (PMID 32232879), while incidence, dose, cooking form, pregnancy, lactation, kidney or liver disease, and interactions with anticoagulants or antiplatelets remain unverified.
What the
research shows
Judgment is deferred. No eligible human trial was identified that assigned whole lotus rhizome or a defined lotus-root juice to adults with heavy menstrual bleeding and compared PBAC or objective blood loss. Classical hemostatic records, traditional use of lotus leaf for uterine bleeding, rhizome nodes, carbonized products, and combination formulas are different interventions.
What the
ads claim
Do not advertise it as a hemostatic food, a menstrual-loss or anemia treatment, or a replacement for hormonal or other standard gynecologic care.
*

Useful facts when choosing a product

  • This verdict applies only to the displayed lotus part, formulation, route, population, claim, endpoint, and comparator.
  • Leaf, plumule, whole seed, rhizome, node, tea, extract, food, juice, and combination products are not interchangeable.
  • Caution. Food-use experience does not establish the safety of therapeutic-dose lotus-root juice. A human anaphylaxis case involving lotus root has been reported (PMID 32232879), while incidence, dose, cooking form, pregnancy, lactation, kidney or liver disease, and interactions with anticoagulants or antiplatelets remain unverified.
ID

Chamgap Semantic Classification Code

Candidate index · review held

F.lotus-rhizome.oral-food-or-juice.heavy-menstrual-bleeding-pbac.reduce.UNK

Foods and beverages > Whole lotus rhizome > Food or juice > Heavy-menstrual-bleeding PBAC or blood loss > Reduction claim > Comparator unknown

This is separated from the cough and sputum claim in verdict 1965. Permanent issuance is held because no eligible human study directly tested whole lotus root or juice for menstrual blood loss. This machine-generated migration candidate helps retrieval but is not a permanent assignment. The original verdict ID and URL remain authoritative.

Download semantic index (JSON) · Codebook v1

Exact Claim Classification

These independent facets prevent evidence from different forms, routes, populations, effects, and comparators from being mixed.

Intervention classF · Food, ingredient, or beverage
Canonical ingredient or interventionWhole lotus rhizome or lotus-root juice
Source or part usedWhole edible underground rhizome of Nelumbo nucifera; nodes and carbonized products excluded
Formulation or processingWhole food or defined lotus-root juice; no eligible trial formulation verified
RouteOral food intake
DoseUnverified (no eligible human trial)
DurationUnverified (no eligible human trial)
PopulationAdults with heavy menstrual bleeding
Effect or conditionReduced menstrual blood loss
Primary endpointUnverified; intended endpoint is PBAC or objective menstrual blood loss
ComparatorUnverified (no eligible human trial)
Duplicate-detection keyWhole lotus rhizome or lotus-root juice|Whole food or defined lotus-root juice; no eligible trial formulation verified|Oral food intake|Adults with heavy menstrual bleeding|Reduced menstrual blood loss|Unverified (no eligible human trial)
Gap Measurement · Verdict 3080 · ?
What advertising claims
What independent, higher-quality research supports
△ GAP
01

What the research actually shows

PubMed and ClinicalTrials.gov were searched using combinations of Nelumbo, lotus root, rhizome, juice, menorrhagia, heavy menstrual bleeding, and PBAC; a human antioxidant root trial, traditional-use reviews, and a human allergy case were separated by endpoint and safety role.

02

Why this is classified as ?

No evidence axes are scored because no eligible human trial directly linked whole lotus root or juice to menstrual blood loss in heavy menstrual bleeding; the grade remains ?.

Counterpoint. Eating lotus root as food and repeatedly taking a therapeutic quantity of juice are different safety contracts. An evidence gap is not converted into efficacy or harmlessness.

Rejudgment record. Independent Codex cross-check — One exact plant part, formulation, population, claim, endpoint, and comparator

Cross-check — AI research and Codex final gate

AI was used for research and drafting. Blind grading, adversarial audit, and the methodology boundary rules were then reapplied before Codex performed the final evidence, grade, copy, and build checks. If a grade cannot be narrowed, both evidence positions and their reasons are published.
03

Evidence Table

StudyDesignSampleFundingEndpointResultWeight
In Vivo Antioxidant Properties of Lotus Root and Cucumber: A Pilot Comparative Study in Aged SubjectsDesign and eligibility were independently checked.Funding, product supply, employee authorship, and conflicts were assessed separately.The endpoint was checked against the page claim.No missing effect estimate or confidence interval was invented.Eligibility reflects the exact plant part, formulation, population, endpoint, and comparator.
Phytochemical Profile and Biological Activity of Nelumbo nuciferaDesign and eligibility were independently checked.Funding, product supply, employee authorship, and conflicts were assessed separately.The endpoint was checked against the page claim.No missing effect estimate or confidence interval was invented.Eligibility reflects the exact plant part, formulation, population, endpoint, and comparator.
Case of anaphylaxis due to lotus rootDesign and eligibility were independently checked.1Funding, product supply, employee authorship, and conflicts were assessed separately.The endpoint was checked against the page claim.No missing effect estimate or confidence interval was invented.Eligibility reflects the exact plant part, formulation, population, endpoint, and comparator.
§

Receipt — 3 References

All 3 cited sources were verified for existence at the original page (as of 2026-09-08).

Ji L et al. J Nutr Health Aging. 2015;19:765-770. PMID: 26193861. PMCID: PMC12878895. DOI: 10.1007/s12603-015-0524-x.
checked
Paudel KR, Panth N. Evid Based Complement Alternat Med. 2015:789124. PMCID: PMC4710907. DOI: 10.1155/2015/789124.
checked
Nishimura-Tagui M et al. J Dermatol. 2020;47(6):e227-e228. PMID: 32232879. DOI: 10.1111/1346-8138.15329.
checked
Research and draft: AI used · Cross-check: blind grading and adversarial audit
Final verification and publication gate: Codex · Verification cutoff: 2026-09-08 · Corrections: none

Cite this verdict

Whole Lotus Root or Juice for Heavy Menstrual Bleeding—No Direct Eligible Human Trial Was Identified Evidence Grade ? card
[Chamgap] Whole Lotus Root or Juice for Heavy Menstrual Bleeding—No Direct Eligible Human Trial Was Identified — Evidence Grade ?. 3 cited sources checked. Source: https://chamgap.com/en/verdicts/womens/whole-lotus-rhizome-juice-heavy-menstrual-bleeding/ · CC BY 4.0

CC BY 4.0 — free to use with attribution; do not distort grades, numbers, or verdict meaning.

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What this document does and does not do

Chamgap is an information source. It reports what research has and has not confirmed; it does not tell readers what to take or buy. That decision belongs to readers and, when needed, medical or legal professionals. This verdict reflects literature available up to the search date and may change as new research appears. Nothing here is medical advice.