CHAMGAP
APPROVEDReviewed and approved by the Chamgap Editorial Team (2026-07-11). The draft was written by AI, the existence of all 1 cited sources was verified at the original page, and the verdict passed blind grading and adversarial audit. Methodology v0.6.
Verdict No. 331 · Search date 2026-07-11 · Methodology v0.6

Quisqualis fruit extract powder,
does it really help with Prostate health and improved urinary symptoms?

30-Second Summary
C
Evidence Grade C · 54 · Safety unknown
A 12-week improvement in urinary symptom scores was observed, but this is not evidence of prostate shrinkage or slower long-term progression
What the
research shows
A two-center 12-week double-blind RCT randomized 135 men to the proprietary HU033 extract powder and analyzed 113 per protocol, finding improved IPSS. Qmax and PVR were not consistent across doses and time points, and clinical outcomes such as urinary retention or surgery were not assessed. Public support for the study must be distinguished from the HUONS-developed ingredient lineage; one developer-specific trial results in C.
What the
ads claim
Product descriptions may expand improved urinary symptom scores into prostate shrinkage, treatment of benign prostatic hyperplasia, or prevention of progression. The directly supported scope is the 12-week IPSS change in men with moderate symptoms.
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Useful facts when choosing a product

  • The HU033 trial material was a 70% ethanol extract of Quisqualis seeds mixed 1:1 with maltodextrin.
  • Trial doses were 1,000 mg/day and 2,000 mg/day for 12 weeks.
  • The key outcome was the patient-reported IPSS questionnaire; prostate volume was not measured.
  • Two product-related adverse events were reported, while long-term and rare-event data remain limited.
Gap Measurement · Verdict 331 · C 54
What advertising claims
What independent, higher-quality research supports
△ GAP
01

What the research actually shows

The 2023 study by Shin and colleagues randomized 135 men with IPSS scores of 8-19 at two centers to HU033 at 1,000 mg/day, 2,000 mg/day, or placebo and analyzed 113 per protocol. Total IPSS at weeks six and 12 improved with both doses. Qmax and PVR improved only at selected doses and time points and were not consistent overall; acute urinary retention and surgery were not evaluated. Public support for the study should be distinguished from the fact that HU033 was developed by HUONS, rather than described as direct company sponsorship.

02

Why this is classified as C (54)

The positive IPSS signal from a two-center RCT is credible, but direct evidence is limited to one 12-week trial of the HUONS-developed HU033 material. Inconsistent Qmax and PVR, no independent replication, and no urinary-retention or surgery outcome result in C with 54 points. Public support is distinguished from direct company sponsorship.

Counterpoint. A signal for improved patient-reported symptoms over 12 weeks remains in men with moderate lower urinary tract symptoms. This assessment does not extend it to prostate shrinkage or long-term disease prevention.

Rejudgment record. Reassessment (cross-check reflected) — A two-center trial of the proprietary HU033 powder randomized 135 and analyzed 113 per protocol, with positive IPSS but inconsistent Qmax and PVR, no urinary-retention or surgery outcomes, and no independent replication; public support is distinguished from the HUONS-developed ingredient lineage

Sub-claim grades by effect

This ingredient is marketed for several effects. A single overall grade blends strong and weak claims together, so each effect is graded separately here. The overall grade reflects the strongest disconfirming or core claim.

Effect (sub-claim)GradeBasis
Improved lower urinary tract and urinary symptomsCIPSS was positive in one 12-week RCT, without independent replication.
Improved objective urinary flow and residual volumeCFindings appeared only in selected analyses such as the low-dose group at week six and were not consistent across doses and time points.
Reduced prostate size or slowed disease progression?No direct human literature was identified evaluating prostate volume or long-term progression outcomes.

Cross-check — Codex and Claude

This verdict was drafted by Codex through literature review and source-existence checks, cross-checked through blind grading and adversarial audit, and settled by reapplying the methodology boundary rules. Cases with split grades were resolved through rejudgment.
03

Evidence Table

StudyDesignSampleFundingEndpointResultWeight
Shin D et al. 2023Two-center randomized double-blind placebo-controlled trial12Public National Research Foundation support; standardized HUONS materialIPSS, Qmax, PVR, PSA, hormones, and IIEF-5Total IPSS improved with both doses versus placebo, while objective measures were not consistent across doses and time points.Key
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Receipt — 1 References

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

Shin D, Zhu GQ, Tian WJ, et al. 2023. Quisqualis indica extract for men with lower urinary tract symptoms: A randomized, double-blind, placebo-controlled trial. Investig Clin Urol. 64(1):20-30. PMID: 36629062. DOI: 10.4111/icu.20220290.
checked
Draft and rewrite: Codex (AI) · Verification: Codex blind grading and adversarial audit · Final adjudication: Claude
Reviewed and approved: Chamgap Editorial Team · Approval date: 2026-07-11 · Corrections: none

Cite this verdict

Quisqualis fruit extract powder (Combretum indicum) × Prostate health and improved urinary symptoms Evidence Grade C card
[Chamgap] Quisqualis fruit extract powder (Combretum indicum) × Prostate health and improved urinary symptoms — Evidence Grade C·54. 1 cited sources checked. Source: https://health-receipt.pages.dev/en/verdicts/mens/quisqualis-fruit-extract-prostate-urination/ · 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.