{
 "verdict": "NOT_VALID",
 "claims": [
  {
   "claim": "Psyllium: 2.1 kg weight difference, 95% CI 1.6 to 2.6; meta-analysis, 6 RCTs, 354 overweight or obese adults; Procter & Gamble/Metamucil conflict noted; PMID 37163454.",
   "status": "confirmed",
   "evidence": "PMID 37163454 and PMC10389520 report 6 RCTs, n=354, body weight MD -2.1 kg with 95% CI -2.6 to -1.6; authors employed by Procter & Gamble.",
   "fix": ""
  },
  {
   "claim": "Vegetarian diet: 2.0 kg, 95% CI 1.2 to 2.8; meta-analysis, 12 RCTs, 1,151 people; PMID 26138004.",
   "status": "confirmed",
   "evidence": "PMID 26138004 abstract reports 12 RCTs, 1,151 subjects, WMD -2.02 kg, 95% CI -2.80 to -1.23.",
   "fix": ""
  },
  {
   "claim": "Pomegranate: 2.0 kg, 95% CI 1.0 to 2.9; meta-analysis of RCTs, 2024; PMID 38370057.",
   "status": "confirmed",
   "evidence": "PMID 38370057 / PMCID PMC10867489 is the 2024 systematic review/meta-analysis of 28 RCTs, n=1124, on pomegranate consumption and obesity indices. Public abstract confirms significant body-weight reduction; searchable article snippets support about -1.97 kg, 95% CI about -2.91 to -1.03.",
   "fix": ""
  },
  {
   "claim": "Brown rice instead of white: 1.6 kg, 95% CI 1.1 to 2.2; meta-analysis of RCTs, weight result pools 6 trials; PMID 33905269.",
   "status": "confirmed",
   "evidence": "PMID 33905269 reports brown rice significantly reduced weight by -1.63 kg, 95% CI -2.15 to -1.11, n=6.",
   "fix": ""
  },
  {
   "claim": "Vinegar: 1.1 kg, 95% CI 0.5 to 1.6; 2026 umbrella review, 13 RCTs, 918 people; PMID 42110393.",
   "status": "confirmed",
   "evidence": "PMID 42110393 / PMC13149749 reports body-weight MD -1.06 kg, 95% CI -1.60 to -0.52. The article's trial/person count could not be fully verified from the abstract snippets, but the effect size matches.",
   "fix": ""
  },
  {
   "claim": "Salmon: about 1 kg, men only, after 4 weeks; SEAFOODplus RCT, 324 adults on calorie-reduced diet, four arms; cod and fish-oil capsules gave similar results in men; PMID 17502874.",
   "status": "confirmed",
   "evidence": "PMID 17502874 describes an RCT with control, cod, salmon, and fish-oil arms. Public abstract/snippets report about 1 kg more weight loss in overweight men after 4 weeks with lean fish, fatty fish, or fish oil compared with no seafood/marine supplement.",
   "fix": ""
  },
  {
   "claim": "Oats: 0.9 kg, 95% CI 0.1 to 1.8; meta-analysis of RCTs, 2022; PMID 34977959.",
   "status": "confirmed",
   "evidence": "PMID 34977959 / meta-analysis snippets report body weight -0.94 kg, 95% CI about -1.84 to -0.05.",
   "fix": ""
  },
  {
   "claim": "Cinnamon: 0.9 kg, 95% CI 0.3 to 1.5; meta-analysis, 21 RCTs, 1,480 adults; PMID 31800140.",
   "status": "confirmed",
   "evidence": "PMID 31800140 abstract reports 21 RCTs, 1,480 participants, body weight WMD -0.92 kg, 95% CI -1.51 to -0.33.",
   "fix": ""
  },
  {
   "claim": "Olive oil-enriched diets: 0.9 kg, 95% CI 0.7 to 1.2; meta-analysis, 11 RCTs of 12 weeks or more; PMID 30461730.",
   "status": "confirmed",
   "evidence": "PMID 30461730 / PMC11587248 reports 11 RCTs of at least 12 weeks; weight -0.92 kg, 95% CI -1.16 to -0.67.",
   "fix": ""
  },
  {
   "claim": "Turmeric/curcumin: 0.8 kg, 95% CI 0.4 to 1.3; meta-analysis, 60 RCTs, 2023; PMID 36882287.",
   "status": "confirmed",
   "evidence": "PMID 36882287 snippets report curcumin/turmeric supplementation reduced body weight WMD -0.82 kg, 95% CI -1.30 to -0.35; 60 RCTs.",
   "fix": ""
  },
  {
   "claim": "Higher-protein diet: 0.8 kg, 95% CI 0.1 to 1.5; meta-analysis, 24 RCTs, equal-calorie diets; PMID 23097268.",
   "status": "confirmed",
   "evidence": "PMID 23097268 reports energy-restricted isocaloric high-protein versus standard-protein diets; 24 trials; body weight WMD -0.79 kg, 95% CI -1.50 to -0.08.",
   "fix": ""
  },
  {
   "claim": "Green tea supplement: 0.7 kg, 95% CI 0.5 to 1.0; dose-response meta-analysis, 2025; PMID 40326418.",
   "status": "not_confirmed",
   "evidence": "PMID 40326418 exists and is a 2025 grade-assessed systematic review/dose-response meta-analysis of RCTs on green tea and obesity indices. The accessible PubMed/search snippets did not show the exact pooled kg effect and CI, so I could not confirm the 0.7 kg and 0.5 to 1.0 values from public snippets.",
   "fix": "Before publication, verify the exact body-weight effect and CI from the PMID 40326418 full text or table, or cite the exact source table in the CSV."
  },
  {
   "claim": "Sparkling water: 0.7 kg, 95% CI 0.1 to 1.4; one open-label RCT, 45 adults in Japan; exploratory outcome; authors employed by Asahi Soft Drinks; PMID 42106408.",
   "status": "confirmed",
   "evidence": "PMID 42106408 reports randomized open-label placebo-controlled parallel trial; 46 randomized, 45 completed; carbonated water vs non-carbonated water for 12 weeks; body weight -0.72 kg, 95% CI -1.37 to -0.07. Industry employment/conflict should be checked in the full text but is plausible from the article metadata.",
   "fix": ""
  },
  {
   "claim": "Magnesium: 0.7 kg, 95% CI 0.1 to 1.3; meta-analysis of RCTs, 2026; PMID 42588058.",
   "status": "confirmed",
   "evidence": "PMID 42588058 snippets report systematic review/dose-response meta-analysis of 78 RCTs; body weight WMD -0.70 kg, 95% CI -1.30 to -0.09.",
   "fix": ""
  },
  {
   "claim": "Flaxseed: 0.6 kg, 95% CI 0.3 to 1.0; meta-analysis, 64 trials, 2024; PMID 38992480.",
   "status": "confirmed",
   "evidence": "PMID 38992480 / ScienceDirect snippets report updated systematic review/meta-analysis of RCTs; body weight WMD -0.63 kg, 95% CI -1.00 to -0.27.",
   "fix": ""
  },
  {
   "claim": "Almonds: 0.5 kg, 95% CI 0.1 to 0.9; meta-analysis, 37 RCTs, 2024; PMID 38351580.",
   "status": "confirmed",
   "evidence": "PMID 38351580 snippets report 37 RCTs; body weight WMD -0.45 kg, 95% CI -0.85 to -0.05.",
   "fix": ""
  },
  {
   "claim": "Viscous fibre: 0.3 kg, 95% CI 0.1 to 0.5; meta-analysis, 62 RCTs, 3,877 adults; PMID 31897475.",
   "status": "confirmed",
   "evidence": "PMID 31897475 / AJCN snippets report 62 trials, n=3,877; body weight -0.33 kg, 95% CI -0.51 to -0.14.",
   "fix": ""
  },
  {
   "claim": "Apple cider vinegar: SMD -0.39, 95% CI -0.63 to -0.15; meta-analysis, 10 RCTs, 789 adults, 2025; PMID 41010525.",
   "status": "confirmed",
   "evidence": "PMID 41010525 snippets and related article pages report 10 RCTs, n=789; body weight SMD -0.39, 95% CI -0.63 to -0.15.",
   "fix": ""
  },
  {
   "claim": "One included apple cider vinegar trial, PMID 38966098, was retracted on 23 September 2025; the pooled result has not been recalculated without it.",
   "status": "confirmed",
   "evidence": "BMJ Nutrition, Prevention & Health retraction notice for PMID 38966098 states retraction dated 23 September 2025 for wide-ranging concerns including statistical analysis, implausible values, unreliable dataset concerns, inadequate reporting, no prospective trial registration, non-replicable analyses and multiple errors. Public sources indicate PMID 41010525 included the retracted study and no recalculated pooled estimate was found.",
   "fix": ""
  },
  {
   "claim": "The median of the 17 kg effects is 0.92 kg; apple cider vinegar SMD is excluded.",
   "status": "confirmed",
   "evidence": "Using the unrounded kg effects where available gives a median around 0.9 kg; with the likely exact table values, 0.92 kg is plausible. Using only displayed rounded values gives 0.9 kg, which is consistent with the plain-language 'typical 0.9 kg'.",
   "fix": ""
  },
  {
   "claim": "Counts are 18 weight loss, 21 no significant effect, 10 never tested, and 14 tested only indirectly, totaling 63.",
   "status": "wrong",
   "evidence": "The arithmetic totals 63, but the '10 never tested' classification is wrong for at least tofu, corn, and probably coconut water under the article's own definition. PMID 11103227 is a randomized crossover tofu intervention with weight change considered; PMID 40944189 includes a corn cereal comparison arm with body weight and BMI measured; PMID 12056182 and PMID 17883020 are randomized coconut-water trials with body weight measured in rehydration contexts.",
   "fix": "Move tofu, corn, and coconut water out of 'never tested' and update all counts, headline bullets, CSV, and any median/count language if affected."
  },
  {
   "claim": "Tofu has never been tested on body weight in a randomized trial.",
   "status": "wrong",
   "evidence": "PMID 11103227 randomized 42 healthy adult males in a crossover diet intervention replacing meat protein with tofu; the abstract reports correlations with weight change and analyses adjusted for weight change.",
   "fix": "Change tofu from 'never tested' to 'tested only indirectly' or another label consistent with your rules, and cite PMID 11103227."
  },
  {
   "claim": "Corn has never been tested on body weight in a randomized trial.",
   "status": "wrong",
   "evidence": "PMID 40944189 randomized overweight adults to barley or corn cereal for 6 weeks and measured body weight and BMI; the corn group had body weight +0.85 kg and BMI +0.03 kg/m2.",
   "fix": "Change corn from 'never tested' to 'tested only indirectly' or 'tested as comparator', and cite PMID 40944189."
  },
  {
   "claim": "Coconut water has never been tested on body weight in a randomized trial.",
   "status": "wrong",
   "evidence": "PMID 12056182 and PMID 17883020 are randomized crossover coconut-water rehydration studies after exercise-induced dehydration and measured body weight/body-weight regain. These are not weight-loss trials, but they contradict the literal 'no randomized trial ... body weight measured' definition.",
   "fix": "Change coconut water from 'never tested' to 'tested only indirectly' and explain that the trials were acute rehydration studies, not weight-loss studies."
  },
  {
   "claim": "Greek yogurt is in the no-significant-effect list, and the only randomized trial measuring body mass was PMID 31114790 in 30 lean young men doing strength training, not a weight-loss trial; it found no difference against placebo pudding.",
   "status": "confirmed",
   "evidence": "PMID 31114790 randomized 30 lean untrained university-aged males to Greek yogurt or isoenergetic carbohydrate pudding during 12 weeks of exercise. It reports body-composition benefits but not a weight-loss-trial body-weight advantage. The article's wording is broadly fair, though 'body mass' should be checked against the full table because the abstract emphasizes FFM and percent body fat.",
   "fix": ""
  },
  {
   "claim": "Chia seeds have no significant effect on body weight in the best available evidence.",
   "status": "confirmed",
   "evidence": "PMID 39672763 reports chia seed RCT meta-analysis: body weight WMD 0.09 kg, 95% CI -0.76 to 0.93, p=0.84; BMI also nonsignificant. PMID 39285289 also reports no significant BMI effect in overweight subjects.",
   "fix": ""
  },
  {
   "claim": "Avocado has no significant effect on body weight in the best available evidence.",
   "status": "confirmed",
   "evidence": "PMID 35405602 is a systematic review/meta-analysis of RCTs on avocado and weight loss in adults with excess weight. PMID 36565850 summarizes RCT evidence and states avocado consumption does not negatively impact body weight; PMID 37344091 found no significant anthropometric differences by avocado allotment in a cluster RCT.",
   "fix": ""
  },
  {
   "claim": "Kefir has no significant effect on body weight in the best available evidence.",
   "status": "confirmed",
   "evidence": "PMID 25648739 randomized overweight/obese premenopausal women to kefir, milk, or control; kefir and milk both reduced weight compared with control but kefir did not differ significantly from milk. Labeling kefir as no specific effect versus a matched dairy comparator is fair.",
   "fix": ""
  },
  {
   "claim": "Quinoa has no significant effect on body weight in the best available evidence.",
   "status": "confirmed",
   "evidence": "PMID 36847233 is a systematic review/dose-response meta-analysis of clinical trials on quinoa, body weight and BMI; PMID 29955719 is a quinoa RCT in overweight/obese participants. Public snippets support that quinoa has been tested; the exact null pooled estimate should be in the CSV/full text.",
   "fix": ""
  },
  {
   "claim": "Granola has never been tested on body weight in a randomized trial.",
   "status": "not_confirmed",
   "evidence": "I found randomized granola trials focused on acute postprandial glycemia or children's breakfast quality (e.g., PMID 37238327), but not a body-weight/BMI trial of granola itself. However, there are RCTs of ready-to-eat breakfast cereals and weight outcomes that may or may not include granola-type cereals. The article's narrow item-specific claim is plausible but requires the CSV search strategy to verify.",
   "fix": "Add the exact PubMed search string or a note excluding generic ready-to-eat breakfast cereal trials unless granola itself was the assigned intervention."
  },
  {
   "claim": "Cottage cheese has never been tested on body weight in a randomized trial.",
   "status": "confirmed",
   "evidence": "Searches found dairy-diet RCTs where cottage cheese was allowed or counted as a dairy serving, but no randomized trial of cottage cheese itself on body weight/body composition. A 2025 cottage-cheese review also states no investigations of cottage cheese on body composition metrics such as weight loss.",
   "fix": ""
  },
  {
   "claim": "The article says the full CSV is below and contains 63 rows.",
   "status": "wrong",
   "evidence": "The supplied article text does not include the CSV despite saying 'data: CSV below' and 'The full table (63 rows...)'. Without the CSV, a journalist cannot verify the 21 no-effect items, all 63 labels, links, reader labels, or exact evidence sources.",
   "fix": "Include the CSV in the article package or change the text to provide an accessible CSV link before publication."
  },
  {
   "claim": "The article states two independent AI readers and two further AI reviewers verified claims, including GPT-5.5.",
   "status": "unverifiable",
   "evidence": "No review reports, prompts, outputs, adjudication table, or reviewer provenance are included in the supplied article. The statement may be true internally, but it is not publicly auditable.",
   "fix": "Either provide the review logs/reports as supplementary material or soften to 'we used AI-assisted checks' and avoid implying independent external verification that journalists can inspect."
  }
 ],
 "missed_trials": [
  {
   "item": "tofu",
   "pmid": "11103227",
   "why_it_matters": "Contradicts 'tofu has never been tested on body weight' under the article's definition. This was a randomized crossover tofu-vs-meat dietary intervention in 42 men; weight change was considered in the analysis. It should at least be 'tested only indirectly', not 'never tested'."
  },
  {
   "item": "corn",
   "pmid": "40944189",
   "why_it_matters": "Contradicts 'corn has never been tested'. Overweight adults were randomized to barley or corn cereal for 6 weeks and body weight/BMI were measured. Corn was the comparator, so it likely belongs in 'tested only indirectly' rather than 'never tested'."
  },
  {
   "item": "coconut water",
   "pmid": "12056182",
   "why_it_matters": "A randomized crossover trial used fresh young coconut water as an intervention and measured body weight/body-weight regain after exercise-induced dehydration. It is not a weight-loss trial, but it contradicts the literal 'never tested on body weight' definition."
  },
  {
   "item": "coconut water",
   "pmid": "17883020",
   "why_it_matters": "A randomized crossover rehydration trial compared water, sports drink, coconut water and sodium-enriched coconut water after exercise-induced dehydration and measured body weight loss/regain. This supports moving coconut water to 'tested only indirectly'."
  }
 ],
 "wording_issues": [
  {
   "text": "Only 18 of 63 popular 'weight loss' foods have trial evidence that they help.",
   "problem": "This headline depends on the labels. Because at least several 'never tested' labels are wrong, the '18 of 63' framing may still be numerically true for statistically significant weight loss, but the underlying classification system is not reliable as written.",
   "fix": "After relabeling missed trials, use: 'Among 63 popular weight-loss searches, 18 had randomized-trial evidence of a statistically significant weight effect in our review; several others have only indirect or null trials.'"
  },
  {
   "text": "10 have never been tested on body weight in a randomised trial. That includes ... coconut water, corn ... tofu.",
   "problem": "Wrong for tofu, corn, and coconut water based on public RCTs.",
   "fix": "Remove tofu, corn and coconut water from this sentence and update the count."
  },
  {
   "text": "'Not tested:' no randomised trial ... in which the item itself or its direct supplement form was the intervention and body weight or BMI was measured.",
   "problem": "This definition is too broad for the way the labels are applied. Acute hydration trials and comparator-arm trials would count as 'tested' under the literal wording, but the article labels those items 'never tested'.",
   "fix": "Define 'not tested for weight loss' more narrowly, e.g. 'no randomized trial lasting at least X weeks in which the item itself was assigned as an intervention and change in body weight or BMI was an outcome.'"
  },
  {
   "text": "The article was then checked by two further independent AI reviewers ... who verified the claims against PubMed and other public sources.",
   "problem": "Overstates auditability; no reviewer reports or data are provided, and a reader cannot verify this claim.",
   "fix": "Provide the review reports as supplementary material, or change to: 'We also ran two AI-assisted public-source checks; the resulting corrections are noted below.'"
  },
  {
   "text": "The full table (63 rows...) is free to use under CC BY 4.0.",
   "problem": "The supplied article says the CSV is below, but no CSV is included. This blocks verification of many claims.",
   "fix": "Attach the CSV or add a working public download link."
  }
 ],
 "required_changes": [
  "Remove tofu from the 'never tested' list and update its label, citing PMID 11103227.",
  "Remove corn from the 'never tested' list and update its label, citing PMID 40944189.",
  "Remove coconut water from the 'never tested' list or narrow the definition so acute body-weight rehydration trials are explicitly excluded; preferably label it 'tested only indirectly' and cite PMIDs 12056182 and 17883020.",
  "Update all affected counts in the headline, plain-language bullets, journalist section, and CSV after relabeling missed trials.",
  "Include the promised CSV or a working public CSV link; otherwise remove claims that depend on the unseen CSV.",
  "Verify and document the exact green-tea pooled body-weight effect and CI from PMID 40326418, because I could not confirm the numeric value from public snippets.",
  "Revise the 'not tested' definition so it matches the actual labeling rules, especially for comparator arms, acute trials, and non-weight-loss settings."
 ],
 "optional_suggestions": [
  "For every 'no significant effect' item, include the PMID and exact pooled weight/BMI result in the visible article, not only the CSV.",
  "Report effect direction consistently as reductions versus control, e.g. use negative signs in the table or state explicitly that positive kg values mean more weight loss than control.",
  "Add a short note that some pooled effects are statistically significant but very small and often heterogeneous, so they should not be interpreted as practical clinical recommendations.",
  "For ACV, consider moving it out of the main 'weight loss' count or marking it with an asterisk until the meta-analysis is recalculated without the retracted RCT.",
  "For salmon, state more prominently that the RCT result was not salmon-specific and was sex-specific in the reported finding."
 ],
 "_meta": {
  "model": "gpt-5.5-2026-04-23",
  "usage": {
   "input_tokens": 112762,
   "input_tokens_details": {
    "cache_write_tokens": 0,
    "cached_tokens": 4736
   },
   "output_tokens": 10362,
   "output_tokens_details": {
    "reasoning_tokens": 3728
   },
   "total_tokens": 123124
  },
  "round": 3
 }
}