CHAMGAP
VERIFIEDPassed the Codex final verification and publication gate. Evidence-verification cutoff: 2026-07-11. AI was used for research and drafting; the existence of all 1 cited sources was verified at the original page, followed by blind grading, adversarial audit, and build validation. Methodology v1.0.
Verdict No. 259 · Search date 2026-07-11 · Methodology v1.0

Chrysanthemum flower,
does it really help with Eye-fatigue relief and vision protection?

30-Second Summary
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Evidence Grade ? · Safety caution
Kan 2020 used a different-species combination, and standalone human evidence for C. indicum is absent
What the
research shows
No human efficacy trial was identified for oral Chrysanthemum indicum alone on eye fatigue or vision protection. The 360-participant Kan 2020 formula used C. morifolium and also contained lutein, zeaxanthin, and other ingredients, so it is not evidence for C. indicum. Removing this species-and-combination double misattribution leaves the rating at ?.
What the
ads claim
Tea, powder, and pill advertising connects the traditional vision-related use of chrysanthemum with modern claims of vision protection, macular protection, and digital eye-fatigue relief. Traditional use, combination-formula results, and standalone RCT evidence are different evidence categories.
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Useful facts when choosing a product

  • The Kan 2020 eye-fatigue RCT used C. morifolium in a multi-ingredient formula, not C. indicum alone.
  • Flavonoid and carotenoid composition can vary by chrysanthemum species, cultivar, and extraction method.
  • Tea intake is not equivalent to a standardized clinical extract dose.
  • Hypersensitivity is a separate safety issue for people allergic to plants in the Asteraceae family.
ID

Chamgap Semantic Classification Code

Candidate index · review held

UNK.chrysanthemum-flower.UNK.eye-fatigue-relief-and-vision-protection.relieve.UNK

Unknown > Chrysanthemum flower > Unknown > Eye-fatigue relief and vision protection > Symptom-relief claim > Unknown

An automated migration candidate, not an issued permanent code; exact claim scope remains under review. 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

Gap Measurement · Verdict 259 · ?
What advertising claims
What independent, higher-quality research supports
△ GAP
01

What the research actually shows

The 360-participant Kan 2020 RCT used C. morifolium in a formula that also contained lutein, zeaxanthin, blackcurrant, goji berry, and other ingredients. Because both the species and formulation differ, it is not cited as evidence for C. indicum. The Xiong 2024 review summarized flavonoids and mechanisms for several plants including C. indicum but did not identify an oral C. indicum monotherapy RCT for eye fatigue or vision.

02

Why this is classified as ?

Kan 2020 was a multi-ingredient C. morifolium formula and was doubly misattributed by species and composition to C. indicum. Once removed, no oral C. indicum monotherapy efficacy trial remains, so the grade is ?.

Counterpoint. A signal from a different-species combination is not counted as evidence for C. indicum alone.

Rejudgment record. Reassessment (cross-check reflected) — Kan 2020 was a multi-ingredient C. morifolium formula doubly misattributed by species and composition; no oral C. indicum monotherapy efficacy trial exists

✓

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
Xiong S et al. 2024Narrative reviewUnknownLiver- and eye-related mechanisms of flavonoids from Chrysanthemum indicum and other plantsSummarized preclinical and mechanistic evidence but did not present an oral monotherapy RCT for eye fatigue or vision.Evidence-gap confirmation
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Receipt — 1 References

All 1 cited sources were verified for existence at the original page (as of 2026-07-11).

Xiong S, Xie J, Xiang F, et al. Research progress on pharmacological effects against liver and eye diseases of flavonoids present in Chrysanthum indicum L., Chrysanthemum morifolium Ramat., Buddleja officinalis Maxim. and Sophora japonica L. J Ethnopharmacol. 2025;337(Pt 2):119094. PMID: 39532220. DOI: 10.1016/j.jep.2024.119094.
checked
Research and draft: AI used · Cross-check: blind grading and adversarial audit
Final verification and publication gate: Codex · Evidence date: 2026-07-11 · Corrections: none
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Cite this verdict

Chrysanthemum flower (Chrysanthemum indicum) x eye-fatigue relief and vision protection Evidence Grade ? card
[Chamgap] Chrysanthemum flower (Chrysanthemum indicum) x eye-fatigue relief and vision protection — Evidence Grade ?. 1 cited sources checked. Source: https://chamgap.com/en/verdicts/eye/chrysanthemum-eye-fatigue-vision/ · 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.
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