CHAMGAP
VERIFIEDPassed the Codex final verification and publication gate. Evidence-verification cutoff: 2026-08-03. AI was used for research and drafting; the existence of all 2 cited sources was verified at the original page, followed by blind grading, adversarial audit, and build validation. Methodology v1.0.
Verdict No. 2042 · Search date 2026-08-03 · Methodology v1.0

Shrimp,
does it really help with Whether shrimp worsens blood lipids in normolipidemic adults?

30-Second Summary
D
Evidence Grade D · 30 · Safety caution
Shrimp raised LDL and HDL together while lowering triglycerides, resisting a simple harmful-or-harmless conclusion
People with shellfish allergy should avoid shrimp. Those with gout or sodium restriction may need advice about large amounts and salted preparations.
What the
research shows
The grade is D with 30 points. In an 18-person randomized crossover feeding trial with three weeks per diet, shrimp raised LDL 7.1%, raised HDL 12.1%, and lowered triglycerides 13%. Total-cholesterol/HDL and LDL/HDL ratios did not worsen. The claim that shrimp worsens lipids was not supported in this trial.
What the
ads claim
High dietary cholesterol in the shrimp diet is a measured fact, but blood lipids did not all move in one direction. Verdict 010 is C with no recorded score for an omega-3 capsule circulation claim; this verdict concerns whole shrimp feeding.
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Useful facts when choosing a product

  • The shrimp diet supplied 300 g/day and 590 mg/day dietary cholesterol. Species, farmed status, and fresh or frozen state were not clear in accessible reporting.
  • Accessible reporting confirms shrimp feeding but did not establish a precise cooking method.
  • The FDA monitoring-table mean for total mercury in shrimp is 0.009 ppm, not a direct methylmercury analysis of the trial shrimp.
  • LDL rose 7.1%, HDL rose 12.1%, and triglycerides fell 13%.
ID

Chamgap Semantic Classification Code

Candidate index · review held

D.diet-providing-shrimp.dietary.whether-shrimp-worsens-blood-lipids-in-normolipidemic-adults.assess.UNK

Dietary patterns and eating practices > diet providing shrimp > Dietary regimen > Whether shrimp worsens blood lipids in normolipidemic adults > Association or change assessment > 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 2042 · D 30
What advertising claims
What independent, higher-quality research supports
△ GAP
01

What the research actually shows

Eighteen normolipidemic adults consumed low-fat baseline, shrimp, and egg diets in randomized sequence for three weeks each. Shrimp supplied 300 g/day and 590 mg/day dietary cholesterol versus 107 mg/day in baseline. The 1996 trial predated routine registration. An exact grant number was not verified in publicly accessible material.

02

Why this is classified as D (30)

No overall lipid-ratio worsening signal appeared, but one 18-person three-week trial without between-group confidence intervals gives D with 30 points.

Counterpoint. The verdict preserves both the LDL increase and the favorable HDL, triglyceride, and ratio findings.

Rejudgment record. Cross-check applied — LDL, HDL, and triglyceride directions were checked separately in the original report and food cholesterol was separated from blood response

Stored scoring profile
EndpointSSurrogate marker - laboratory or imaging measures
ReplicationR1Single confirmatory trial
IndependenceI2Decisive evidence is publicly or non-profit funded
Effect sizeE0Null
PrecisionCXNo pooled confidence interval could be confirmed

Stored derived and displayed grades match; this is not a current recalculation or validity check (D).

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
Shrimp raises LDLCLDL rose 7.1% during the three-week feeding period.
Shrimp worsens the overall lipid profileCConcurrent HDL increase and triglyceride reduction prevent that conclusion.

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
De Oliveira e Silva ER et al. 1996Randomized controlled crossover feeding trial18 normolipidemic adultsExact grant number not verified in publicly accessible reportingLDL, HDL, triglycerides, and lipoprotein ratiosVersus baseline: LDL +7.1%, P=.014; HDL +12.1%, P=.0001; triglycerides -13%, P=.004; lipoprotein ratios did not worsenDirect feeding evidence limited by very small sample, short duration, and surrogate outcomes
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Receipt — 2 References

All 2 cited sources were verified for existence at the original page (as of 2026-08-03).

De Oliveira e Silva ER, Seidman CE, Tian JJ, Hudgins LC, Sacks FM, Breslow JL. Effects of shrimp consumption on plasma lipoproteins. Am J Clin Nutr. 1996;64(5):712-717. PMID: 8901790. DOI: 10.1093/ajcn/64.5.712.
checked
U.S. Food and Drug Administration. Mercury Levels in Commercial Fish and Shellfish (1990-2012).
checked
Research and draft: AI used · Cross-check: blind grading and adversarial audit
Final verification and publication gate: Codex · Evidence date: 2026-08-03 · Corrections: none

Cite this verdict

Shrimp x worsening of the blood-lipid profile Evidence Grade D card
[Chamgap] Shrimp x worsening of the blood-lipid profile — Evidence Grade D·30. 2 cited sources checked. Source: https://chamgap.com/en/verdicts/heart/shrimp-blood-lipid-profile/ · 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.