source · application/json
source_bb5f8365e50e4ae1
sha256 a1b057c240dc90e13e94bf2fe2c38ae997220e4bdd4a1b0380bcb0ad14c1c0de
by researka:v2 · 2026-06-24 00:05:10.470283+04:00
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Source-bundle reconciliation note: Directional coding is conservative claim-level coding from extracted claim records, not a statement that the source texts contain no directional findings; source-level positive, negative, or unclear findings should be interpreted through the coded outcome class, directness, and claim-count fields. 39/48 retained sources are indirect, review-level, adjacent, or mechanistic and are used only to bound interpretation. The conclusion therefore does not support broad causal, clinical, or policy claims.", "type": "claim"}, {"id": "claim_2", "text": "This paper synthesizes evidence on Omega 3 longevity across 48 accepted source papers and 2985 high-confidence extracted claims.", "type": "claim"}, {"id": "claim_3", "text": "The evidence profile contains 9 direct clinical sources, 38 adjacent clinical sources, and 1 mechanistic or model-system source, with 389 cross-study disagreements across the evidence base.", "type": "claim"}, {"id": "claim_4", "text": "Positive study-level signals are summarized in the contextual adjacent evidence, longevity, safety and comorbidity outcome classes, null signals in the contextual adjacent evidence, muscle function and cardiometabolic outcome classes, and negative signals in the immune and inflammation outcome class. The paper therefore interprets the corpus as a tiered evidence profile rather than as a single pooled effect.", "type": "claim"}, {"id": "claim_5", "text": "The conclusion is that Omega 3 longevity remains a bounded geroscience case: the retained clinical and mechanistic evidence profile defines the scope for targeted testing, while mixed and null findings limit any unqualified anti-aging claim.", "type": "claim"}, {"id": "claim_6", "text": "For that reason, the manuscript does not collapse every source into a single recommendation. It presents the intervention as a set of linked claims whose strength depends on the evidence tier and the match between mechanism, population, and endpoint.", "type": "claim"}, {"id": "claim_7", "text": "This synthesis evaluates evidence on Omega 3 longevity across 48 included source papers and 2985 high-confidence extracted claims. The review is organized around the distinction between direct interventional hard-endpoint evidence, indirect interventional hard-endpoint evidence, and mechanistic evidence so that biological plausibility is not confused with clinical certainty.", "type": "claim"}, {"id": "claim_8", "text": "The corpus contains 9 direct clinical sources, 38 adjacent clinical sources, and 1 mechanistic or model-system source. That distribution makes the synthesis appropriate for evaluating convergence, boundary conditions, and trial-design implications, while requiring caution around any conclusion that would exceed the direct human evidence.", "type": "claim"}, {"id": "claim_9", "text": "The thesis is: Across 48 curated reference papers, the evidence base for omega 3 longevity shows a context-dependent profile. Positive signals appear in: contextual other, longevity. Negative signals appear in: immune. Null findings dominate: contextual other, muscle function. The synthesis surfaces 389 cross-study disagreements across outcome classes — see Cross-Domain Synthesis. The omega 3 longevity anti-aging case as currently constituted is incomplete: mechanistic plausibility coexists with mixed or sparse human-RCT evidence, and the boundary conditions remain to be established. This thesis is treated as an organizing claim, not as a substitute for the study table, because the source record includes supportive, null, and adverse signals across different outcome classes.", "type": "claim"}, {"id": "claim_10", "text": "This distinction matters for publication because it makes the paper falsifiable. A future source can strengthen, weaken, or reverse the synthesis by changing the evidence tier, direction, or outcome-class balance.", "type": "claim"}, {"id": "claim_11", "text": "The mechanistic layer is most useful when it explains why a trial signal might appear or fail to appear. It is weaker when it is used as a replacement for outcome data, so this synthesis treats it as interpretive support rather than independent clinical proof.", "type": "claim"}, {"id": "claim_12", "text": "Null findings have a specific role in this evidence model. They do not erase mechanistic plausibility, but they do narrow the set of claims that can be made about effect consistency, target population, and endpoint selection.", "type": "claim"}, {"id": "claim_13", "text": "Adverse or negative signals are likewise retained in the main interpretation. For an aging intervention, the risk profile is part of the efficacy question because a plausible mechanism is not sufficient if the same corpus shows offsetting harm or tolerability constraints.", "type": "claim"}, {"id": "claim_14", "text": "The evidence base also distinguishes breadth from certainty. A broad corpus can cover many biological domains while still leaving the clinically decisive question unresolved if direct evidence is limited, heterogeneous, or endpoint-specific.", "type": "claim"}, {"id": "claim_15", "text": "The background evidence for Omega 3 longevity is heterogeneous rather than uniformly confirmatory. Direct clinical sources such as Amini 2026, Tobias 2025, Konert 2026 are interpreted separately from mechanistic studies such as Schlogelhofer 2025, because these evidence roles answer different questions about aging biology and clinical translation.", "type": "claim"}, {"id": "claim_16", "text": "The direct evidence establishes what has been observed in human or adjacent clinical settings. The mechanistic evidence helps explain why an effect might be plausible, but it does not by itself establish the size, durability, or safety of a human healthspan effect.", "type": "claim"}, {"id": "claim_17", "text": "Across the retained sources, positive signals cluster around the contextual adjacent evidence, longevity, safety and comorbidity outcome classes; null signals around the contextual adjacent evidence, muscle function and cardiometabolic outcome classes; and negative or adverse signals around the immune and inflammation outcome class. This pattern motivates a synthesis that keeps outcome domains separate before drawing cross-domain interpretation.", "type": "claim"}, {"id": "claim_18", "text": "The study-level structure also prevents selective emphasis. Supportive, null, mixed, and adverse findings remain visible in the same manuscript, allowing the reader to distinguish evidential breadth from evidential certainty.", "type": "claim"}, {"id": "claim_19", "text": "The resulting paper is therefore a calibrated synthesis: it can identify plausible mechanisms, observed direct signals when present, unresolved tensions, and trial-design priorities without converting them into claims stronger than the retained corpus can support.", "type": "claim"}, {"id": "claim_20", "text": "The following fields were extracted from each included source: study design, population / cohort, intervention or exposure, comparator, outcome class, effect direction, effect size, confidence interval or credible interval, p-value, sample size, follow-up duration, risk-of-bias rating. Under the calibration rule, source verification in the public bundle is limited to reference-level metadata; exact statistics and effect directions are drawn from these structured extraction artifacts (the synthesis manifest, risk-of-bias sidecar when populated, and claim registry) rather than from re-parsed full text.", "type": "claim"}, {"id": "claim_21", "text": "Risk-of-bias framework assignment follows study design (RoB-2 for RCTs, ROBINS-I for non-randomised studies, AMSTAR-2 for systematic reviews / meta-analyses). Public appraisal claims are limited to populated `risk_of_bias.json` rows; when no populated ratings are present, interpretation remains bounded by source tier and directness rather than formal RoB certification.", "type": "claim"}, {"id": "claim_22", "text": "Evidence-tension synthesis: claims grouped by outcome class (cardiometabolic, contextual adjacent evidence, deficiency prevalence, dosing and pharmacokinetics, frailty, immune and inflammation, longevity, mechanism, muscle function, safety and comorbidity, skeletal, fracture, and bone); within-class agreement, disagreement, and directness gaps surfaced explicitly. Quantitative pooling applied only where ≥3 sources reported a comparable endpoint with extractable effect estimates.", "type": "claim"}, {"id": "claim_23", "text": "Source retrieval, claim extraction, evidence routing, and prose drafting were assisted by large language models under a deterministic audit-trail protocol. Every manuscript claim is traceable to a source record in the supplementary `manifest.json`. Final eligibility and interpretation decisions are author-verified.", "type": "claim"}, {"id": "claim_24", "text": "| Evidence domain | Corpus slice | Strongest signal | Directness | Main limitation |", "type": "claim"}, {"id": "claim_25", "text": "| Contextual Adjacent Evidence | n=27; claims=1346 | no extracted directional signal in 18/27 sources | 4 direct; 11 indirect; 1 protocol; 11 review | limited corpus depth in this outcome class |", "type": "claim"}, {"id": "claim_26", "text": "Outcome-class note:** Contextual Adjacent Evidence denotes background, boundary-condition, or adjacent-outcome sources. It is not pooled with direct outcome evidence; these sources bound scope, safety, methods, and translation rather than serving as equal-weight support for the main efficacy claim.", "type": "claim"}, {"id": "claim_27", "text": "Contextual Adjacent Evidence: n=27; claims=1346; no extracted directional signal in 18/27 sources | directness: 4 direct; 11 indirect; 11 review; 1 protocol; main limitation: directionally heterogeneous.", "type": "claim"}, {"id": "claim_28", "text": "Quantitative findings in this class are heterogeneous and route-dependent. The full study-by-endpoint p-value matrix is tabulated in the evidence synthesis.", "type": "claim"}, {"id": "claim_29", "text": "Mechanistically, the clinical RCT evidence in Tobias 2025 tests whether omega-3 supplementation reduces incident type 2 diabetes in a generally well-nourished older cohort, while the mechanistic human studies consolidated in Basirat 2025 and the metabolomic/lipidomic work in Wang 2025 interrogate upstream lipid-handling pathways — triglyceride-rich lipoprotein clearance, lipoprotein subclass remodeling, and antioxidant response — that are biologically proximal to cardiometabolic risk.", "type": "claim"}, {"id": "claim_30", "text": "Additional corpus sources included animal/preclinical evidence; within-corpus tensions in this outcome class center on the directness of inference rather than on head-to-head discordant findings.", "type": "claim"}, {"comparator": "not extracted", "directness": "primary", "doi": "10.1161/JAHA.125.046079", "effect": "not extracted", "endpoint": "not extracted", "id": "source_1", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "Association of Higher Dietary Omega‐3 Fatty Acid Intake With Cardiovascular‐Kidney‐Metabolic Syndrome Stage Severity and Mortality in US Adults: A Cross‐Sectional and Prospective Cohort Analysis of NHANES 1999 to 2018", "type": "source", "url": "https://doi.org/10.1161/JAHA.125.046079", "year": 2026}, {"comparator": "not extracted", "directness": "review-level", "doi": "10.1007/s00394-026-03998-6", "effect": "not extracted", "endpoint": "not extracted", "id": "source_2", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "Microencapsulated docosahexaenoic acid increases the Omega-3 Index and attenuates the physiological impact of eccentric exercise in physically trained adults: a 12-week double-blind placebo-controlled trial", "type": "source", "url": "https://doi.org/10.1007/s00394-026-03998-6", "year": 2026}, {"comparator": "not extracted", "directness": "review-level", "doi": "10.3390/nu17020307", "effect": "not extracted", "endpoint": "not extracted", "id": "source_3", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "Examining the Influence of Omega-3 Fatty Acids on Performance, Recovery, and Injury Management for Health Optimization: A Systematic Review Focused on Military Service Members", "type": "source", "url": "https://doi.org/10.3390/nu17020307", "year": 2025}, {"comparator": "not extracted", "directness": "primary", "doi": "10.1016/j.tjfa.2025.100129", "effect": "not extracted", "endpoint": "not extracted", "id": "source_4", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "A multicomponent intervention consisting of exercise, proteins and omega-3 supplementation to improve sarcopenia in community-dwelling older adults: Lessons learned from a 5-armed randomized controlled feasibility trial", "type": "source", "url": "https://doi.org/10.1016/j.tjfa.2025.100129", "year": 2026}, {"comparator": "not extracted", "directness": "primary", "doi": "10.1038/s41467-025-58721-6", "effect": "not extracted", "endpoint": "not extracted", "id": "source_5", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "Vitamin D supplementation vs. placebo and incident type 2 diabetes in an ancillary study of the randomized Vitamin D and Omega-3 Trial", "type": "source", "url": "https://doi.org/10.1038/s41467-025-58721-6", "year": 2025}, {"comparator": "not extracted", "directness": "review-level", "doi": "10.3390/nu17203279", "effect": "not extracted", "endpoint": "not extracted", "id": "source_6", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "Marine-Based Omega-3 Fatty Acids and Metabolic Syndrome: A Systematic Review and Meta-Analysis of Randomized Controlled Trials", "type": "source", "url": "https://doi.org/10.3390/nu17203279", "year": 2025}, {"comparator": "not extracted", "directness": "review-level", "doi": "10.3389/fnut.2025.1654637", "effect": "not extracted", "endpoint": "not extracted", "id": "source_7", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "High-protein oral nutritional supplement use in patients with cancer reduces complications and length of hospital stay: a systematic review and meta-analysis", "type": "source", "url": "https://doi.org/10.3389/fnut.2025.1654637", "year": 2025}, {"comparator": "not extracted", "directness": "primary", "doi": "10.3390/nu17182959", "effect": "not extracted", "endpoint": "not extracted", "id": "source_8", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "Synbiotic Supplementation with Probiotics and Omega-3 Fatty Acids Enhances Upper-Body Muscle Strength in Elite Swimmers: Evidence for Gut–Muscle Axis Modulation During Race-Pace Training", "type": "source", "url": "https://doi.org/10.3390/nu17182959", "year": 2025}, {"comparator": "not extracted", "directness": "review-level", "doi": "10.1016/j.jnha.2025.100632", "effect": "not extracted", "endpoint": "not extracted", "id": "source_9", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "Association between omega-3 fatty acid intake and risk of diabetic retinopathy: A systematic review and meta-analysis", "type": "source", "url": "https://doi.org/10.1016/j.jnha.2025.100632", "year": 2025}, {"comparator": "not extracted", "directness": "review-level", "doi": "10.3389/fmed.2025.1654661", "effect": "not extracted", "endpoint": "not extracted", "id": "source_10", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "Effects of omega-3 fatty acids on chronic pain: a systematic review and meta-analysis", "type": "source", "url": "https://doi.org/10.3389/fmed.2025.1654661", "year": 2025}, {"comparator": "not extracted", "directness": "review-level", "doi": "10.1038/s41598-025-16129-8", "effect": "not extracted", "endpoint": "not extracted", "id": "source_11", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "A systematic review and dose response meta analysis of Omega 3 supplementation on cognitive function", "type": "source", "url": "https://doi.org/10.1038/s41598-025-16129-8", "year": 2025}, {"comparator": "not extracted", "directness": "review-level", "doi": "10.1093/nutrit/nuae055", "effect": "not extracted", "endpoint": "not extracted", "id": "source_12", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "The effects of omega-3 polyunsaturated fatty acids on muscle and whole-body protein synthesis: a systematic review and meta-analysis", "type": "source", "url": "https://doi.org/10.1093/nutrit/nuae055", "year": 2024}, {"comparator": "not extracted", "directness": "primary", "doi": "10.3390/nu18030539", "effect": "not extracted", "endpoint": "not extracted", "id": "source_13", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "Effect of 21-Day Omega-3 Polyunsaturated Fatty Acid Supplementation on Exercise-Induced Secretory Factors and Inflammation Status in Young Men: A Randomized Double-Blind Trial", "type": "source", "url": "https://doi.org/10.3390/nu18030539", "year": 2026}, {"comparator": "not extracted", "directness": "review-level", "doi": "10.3390/nu18010173", "effect": "not extracted", "endpoint": "not extracted", "id": "source_14", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "The Role of Omega-3 Polyunsaturated Fatty Acid Supplementation in Postoperative Recovery of Colorectal Cancer: Systematic Review and Meta-Analysis", "type": "source", "url": "https://doi.org/10.3390/nu18010173", "year": 2026}, {"comparator": "not extracted", "directness": "review-level", "doi": "10.3390/nu18060909", "effect": "not extracted", "endpoint": "not extracted", "id": "source_15", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "Comparative Effects of Dietary Protein, Creatine, and Omega-3 Supplementation on Muscle Strength, Endurance, and Recovery in Trained Athletes: A Systematic Review and Network Meta-Analysis", "type": "source", "url": "https://doi.org/10.3390/nu18060909", "year": 2026}, {"comparator": "not extracted", "directness": "primary", "doi": "10.1186/s13063-026-09551-4", "effect": "not extracted", "endpoint": "not extracted", "id": "source_16", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "Factors associated with adherence to allocated treatment in the ASCEND trial: a mail-based randomised trial of aspirin and of omega-3 fatty acid supplementation in people with diabetes", "type": "source", "url": "https://doi.org/10.1186/s13063-026-09551-4", "year": 2026}, {"comparator": "not extracted", "directness": "primary", "doi": "10.1016/j.redox.2025.103617", "effect": "not extracted", "endpoint": "not extracted", "id": "source_17", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "Effects of Omega-3 PUFAs on lipid profiles and antioxidant response in depressed adolescents: A metabolomic and lipidomic study", "type": "source", "url": "https://doi.org/10.1016/j.redox.2025.103617", "year": 2025}, {"comparator": "not extracted", "directness": "primary", "doi": "10.1167/tvst.15.6.2", "effect": "not extracted", "endpoint": "not extracted", "id": "source_18", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "Relationship Between Omega-3 Fatty Acids and Glaucoma Risk in Patients With Dry Eye Disease: A Multinational Retrospective Cohort Study", "type": "source", "url": "https://doi.org/10.1167/tvst.15.6.2", "year": 2026}, {"comparator": "not extracted", "directness": "primary", "doi": "10.1097/MD.0000000000046566", "effect": "not extracted", "endpoint": "not extracted", "id": "source_19", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "Potential ocular health benefit of short-term omega-3 fatty acids supplementation on the ocular tear film: An observational study", "type": "source", "url": "https://doi.org/10.1097/MD.0000000000046566", "year": 2026}, {"comparator": "not extracted", "directness": "review-level", "doi": "10.3389/fnut.2026.1746723", "effect": "not extracted", "endpoint": "not extracted", "id": "source_20", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "Effect of omega-3 supplementation on metabolic and inflammatory markers in adults with HIV infection: a systematic review and meta-analysis", "type": "source", "url": "https://doi.org/10.3389/fnut.2026.1746723", "year": 2026}, {"comparator": "not extracted", "directness": "primary", "doi": "10.1097/JS9.0000000000003039", "effect": "not extracted", "endpoint": "not extracted", "id": "source_21", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "Low HS-Omega-3 index as a predictor of severe postoperative complications in abdominal surgery: a prospective observational study", "type": "source", "url": "https://doi.org/10.1097/JS9.0000000000003039", "year": 2025}, {"comparator": "not extracted", "directness": "primary", "doi": "10.1007/s10792-025-03693-1", "effect": "not extracted", "endpoint": "not extracted", "id": "source_22", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "Preliminary evaluation on the effect of oral omega-3 supplementation from herring caviar oil in primary open-angle glaucoma patients", "type": "source", "url": "https://doi.org/10.1007/s10792-025-03693-1", "year": 2025}, {"comparator": "not extracted", "directness": "primary", "doi": "10.1177/00048674251361758", "effect": "not extracted", "endpoint": "not extracted", "id": "source_23", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "Association between non-adherence to fish oil or placebo as a risk factor of transition to psychosis in ultra-high-risk individuals in the NEURAPRO study", "type": "source", "url": "https://doi.org/10.1177/00048674251361758", "year": 2025}, {"comparator": "not extracted", "directness": "review-level", "doi": "10.3389/fnut.2025.1639906", "effect": "not extracted", "endpoint": "not extracted", "id": "source_24", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "The effect of omega-3 supplementation on metabolic, inflammatory and oxidative stress biomarkers in pregnant women: a systematic review and meta-analysis", "type": "source", "url": "https://doi.org/10.3389/fnut.2025.1639906", "year": 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"not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "Effects of vitamin D3, omega-3s, and a simple home exercise program on incident vertebral fractures: the DO-HEALTH randomized controlled trial", "type": "source", "url": "https://doi.org/10.1093/jbmr/zjaf058", "year": 2025}, {"comparator": "not extracted", "directness": "primary", "doi": "10.1016/j.clinsp.2025.100654", "effect": "not extracted", "endpoint": "not extracted", "id": "source_44", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "Effect of omega-3 polyunsaturated fatty acid on endometriosis", "type": "source", "url": "https://doi.org/10.1016/j.clinsp.2025.100654", "year": 2025}, {"comparator": "not extracted", "directness": "review-level", "doi": "10.1016/j.clnesp.2026.102957", "effect": "not extracted", "endpoint": "not extracted", "id": "source_45", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "Anti-inflammatory effects and safety of omega-3 fatty acids in haemodialysis: A systematic review and meta-analysis.", "type": "source", "url": "https://doi.org/10.1016/j.clnesp.2026.102957", "year": 2026}, {"comparator": "not extracted", "directness": "primary", "doi": "10.3390/nu17183002", "effect": "not extracted", "endpoint": "not extracted", "id": "source_46", "intervention_or_exposure": "not extracted", "population": "not extracted", "risk_of_bias": "not appraised in public sidecar", "study": "Omega-3 Polyunsaturated Fatty Acids and Cognitive Decline in Adults with Non-Dementia or Mild Cognitive Impairment: An Overview of Systematic Reviews", "type": "source", "url": "https://doi.org/10.3390/nu17183002", "year": 2025}, {"comparator": "not extracted", "directness": "review-level", "doi": "10.3390/ph19010181", "effect": "not extracted", "endpoint": "not extracted", "id": 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