Lotus plumule tea or single-ingredient plumule extract,
does it really help with Improvement of sleep quality in adults with insomnia?
research showsJudgment is deferred. A Thai 50-person single-arm study reported PSQI falling from 15.24 to 1.82 after lotus-plumule capsules, but without randomization, placebo, or a concurrent comparator it cannot separate natural history, regression, and expectation effects. No eligible controlled single-ingredient plumule trial was identified.
ads claimTraditional insomnia use, animal sleep time, and an uncontrolled PSQI change cannot support claims of replacing hypnotics, treating insomnia, or long-term safety.
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. One participant in the 50-person preliminary study reported mild palpitations. Lotus plumule may contain higenamine and poses anti-doping risk for athletes; pregnancy, lactation, cardiovascular disease, drug interactions, and long-term safety are not established.
Chamgap Semantic Classification Code
Candidate index · review held
K.lotus-plumule.oral.sleep-quality.improve.UNKFolk and alternative interventions > Lotus plumule > Oral > Insomnia sleep quality > Improvement claim > Comparator unknown
A 50-person single-arm PSQI before-after study exists, but without a comparator the treatment-effect contract cannot be fixed. Whole seed, leaf, rhizome, and Rhodiola combinations are separate. This machine-generated migration candidate helps retrieval but is not a permanent assignment. The original verdict ID and URL remain authoritative.
Exact Claim Classification
These independent facets prevent evidence from different forms, routes, populations, effects, and comparators from being mixed.
| Intervention class | K · Folk or alternative practice |
|---|---|
| Canonical ingredient or intervention | Lotus plumule (seed embryo) |
| Source or part used | Green embryo (plumule) inside mature Nelumbo nucifera seed; cultivar and origin unverified |
| Formulation or processing | The Thai preliminary study used plumule capsules; no controlled tea or standardized single-extract formulation was verified |
| Route | Oral |
| Dose | Unverified (no eligible controlled trial) |
| Duration | Unverified (no eligible controlled trial) |
| Population | Adults with insomnia symptoms |
| Effect or condition | Improved sleep quality |
| Primary endpoint | PSQI; eligible controlled endpoint contract unverified |
| Comparator | None/unverified |
| Duplicate-detection key | Lotus plumule (seed embryo)|The Thai preliminary study used plumule capsules; no controlled tea or standardized single-extract formulation was verified|Oral|Adults with insomnia symptoms|Improved sleep quality|Unverified (no eligible controlled trial) |
What the research actually shows
The 2024 Thai report, the PMID 38931222 combination, the PMID 31973198 human exposure study, and the PMID 19010651 animal sedation study were separated by part, formulation, and endpoint.
Why this is classified as ?
Direct single-arm human data exist, but without an eligible controlled trial the effect axis and comparator contract cannot be fixed. The grade is ? and permanent semantic issuance is held.
Counterpoint. The large before-after PSQI change supports the need for a placebo-controlled follow-up, but its magnitude cannot itself be used as a treatment effect.
Rejudgment record. Independent Codex cross-check — One exact plant part, formulation, population, claim, endpoint, and comparator
Cross-check — AI research and Codex final gate
Evidence Table
| Study | Design | Sample | Funding | Endpoint | Result | Weight |
|---|---|---|---|---|---|---|
| ประสิทธิผลและความปลอดภัยของดีบัว (Nelumbo nucifera) ช่วยการนอนหลับ | Design and eligibility were independently checked. | 50 | 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. |
| Potential Risk of Higenamine Misuse in Sports: Evaluation of Lotus Plumule Extract Products and a Human Study | Design and eligibility were independently checked. | 6 | 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. |
| Mixture of Rhodiola rosea and Nelumbo nucifera Extracts Ameliorates Sleep Quality of Adults with Sleep Disturbance | Design and eligibility were independently checked. | 13 | 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. |
Receipt — 3 References
All 3 cited sources were verified for existence at the original page (as of 2026-09-08).
Final verification and publication gate: Codex · Verification cutoff: 2026-09-08 · Corrections: none
Cite this verdict
[Chamgap] Single-Ingredient Lotus Plumule for Insomnia Sleep Quality—A 50-Person Before-After Study Exists, but No Eligible Controlled Trial — Evidence Grade ?. 3 cited sources checked. Source: https://chamgap.com/en/verdicts/sleep/lotus-plumule-insomnia-sleep-quality/ · CC BY 4.0CC BY 4.0 — free to use with attribution; do not distort grades, numbers, or verdict meaning.
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.