{
 "verdict": "VALID_WITH_MINOR_FIXES",
 "claims": [
  {
   "claim": "Psyllium 2.1 kg (1.6 to 2.6), 6 RCTs, 354 overweight/obese adults, authors employed by P&G",
   "status": "confirmed",
   "evidence": "PMID 37163454 abstract: MD -2.1 kg (-2.6 to -1.6), n=354, 6 studies; COI statement: authors employees of Procter & Gamble (Metamucil).",
   "fix": ""
  },
  {
   "claim": "Psyllium alone not significant in viscous-fibre MA PMID 31897475",
   "status": "unverifiable",
   "evidence": "Not in abstract (subgroup detail, full text not in PMC). Plausible; not contradicted.",
   "fix": ""
  },
  {
   "claim": "Vegetarian diet 2.0 kg (1.2 to 2.8), 12 RCTs, 1,151 people",
   "status": "confirmed",
   "evidence": "PMID 26138004: WMD -2.02 (-2.80 to -1.23), 12 RCTs, 1151 subjects.",
   "fix": ""
  },
  {
   "claim": "Pomegranate 2.0 kg (1.0 to 2.9), MA 2024",
   "status": "confirmed",
   "evidence": "PMID 38370057: WMD -1.97 (-2.91 to -1.03); 28 trials pooled; epub Nov 2023, issue Feb 2024.",
   "fix": ""
  },
  {
   "claim": "Brown rice 1.6 kg (1.1 to 2.2), 6 trials pooled",
   "status": "confirmed",
   "evidence": "PMID 33905269: -1.63 kg (-2.15 to -1.11), n=6, 13 RCTs overall.",
   "fix": ""
  },
  {
   "claim": "Vinegar 1.1 kg (0.5 to 1.6), umbrella review 2026, 12 RCTs (13 comparisons), 918 people; retracted ACV trial not in weight pool",
   "status": "confirmed",
   "evidence": "PMID 42110393 abstract -1.06 kg; PMC13149749 Table 2: Weight 13 comparisons, 918 (466/452), -1.06 (-1.6,-0.52), GRADE high; section 3.4.11 lists the 12 trials - Abou-Khalil 2024 is not among them (cited only in the introduction). Note the pool spans 5 days to 12 weeks.",
   "fix": ""
  },
  {
   "claim": "Salmon about 1 kg, men only, 4 weeks; 324 adults, four arms; cod and fish oil similar",
   "status": "confirmed",
   "evidence": "PMID 17502874: 3.55 vs 4.50 kg in an average man at 4 weeks (0.95 kg); lean fish and fish oil ~1 kg more too; no difference in women; 324 adults; 8-week trial.",
   "fix": ""
  },
  {
   "claim": "Oats 0.9 kg (0.1 to 1.8), 2022, includes beta-glucan products",
   "status": "confirmed",
   "evidence": "PMID 34977959: weight -0.94 kg (-1.84 to -0.05); includes oat beta-glucan-rich extracts.",
   "fix": ""
  },
  {
   "claim": "Cinnamon 0.9 kg (0.3 to 1.5), 21 RCTs, 1,480 adults",
   "status": "confirmed",
   "evidence": "PMID 31800140: -0.92 kg (-1.51 to -0.33), 21 RCTs, 1480.",
   "fix": ""
  },
  {
   "claim": "Olive oil-enriched diets 0.9 kg (0.7 to 1.2), 11 RCTs >=12 weeks",
   "status": "confirmed",
   "evidence": "PMID 30461730: -0.92 kg (-1.16 to -0.67), 11 studies, >=12 weeks.",
   "fix": ""
  },
  {
   "claim": "Turmeric/curcumin 0.8 kg (0.4 to 1.3), 60 RCTs, 2023",
   "status": "confirmed",
   "evidence": "PMID 36882287: -0.82 kg (-1.30 to -0.35), 60 RCTs, 3691 people.",
   "fix": ""
  },
  {
   "claim": "Higher-protein diet 0.8 kg (0.1 to 1.5), 24 RCTs, equal-calorie",
   "status": "confirmed",
   "evidence": "PMID 23097268: -0.79 kg (-1.50 to -0.08), 24 trials, isocaloric energy-restricted.",
   "fix": ""
  },
  {
   "claim": "Green tea 0.7 kg (0.5 to 1.0), dose-response MA 2025",
   "status": "confirmed",
   "evidence": "PMID 40326418: -0.74 kg (-0.97 to -0.51).",
   "fix": ""
  },
  {
   "claim": "Sparkling water 0.7 kg (0.1 to 1.4), 45 adults, open-label, exploratory; Asahi employees; no competing interests declared",
   "status": "confirmed",
   "evidence": "PMID 42106408: -0.72 kg (-1.37 to -0.07); 46 randomised, 45 completed; open-label; authors 1-2 affiliated with Asahi Soft Drinks; COI 'no competing interests'; abstract calls analyses exploratory.",
   "fix": ""
  },
  {
   "claim": "Magnesium 0.7 kg (0.1 to 1.3), MA 2026",
   "status": "confirmed",
   "evidence": "PMID 42588058: -0.70 kg (-1.30 to -0.09), 78 RCTs.",
   "fix": ""
  },
  {
   "claim": "Flaxseed 0.6 kg (0.3 to 1.0), 64 trials, 2024",
   "status": "confirmed",
   "evidence": "PMID 38992480: -0.63 kg (-1.00 to -0.27), 64 trials.",
   "fix": ""
  },
  {
   "claim": "Almonds 0.5 kg (0.1 to 0.9), 37 RCTs, 2024",
   "status": "confirmed",
   "evidence": "PMID 38351580: -0.45 kg (-0.85 to -0.05), 37 RCTs.",
   "fix": ""
  },
  {
   "claim": "Viscous fibre 0.3 kg (0.1 to 0.5), 62 RCTs, 3,877 adults",
   "status": "confirmed",
   "evidence": "PMID 31897475: -0.33 kg (-0.51 to -0.14), 62 trials, n=3877.",
   "fix": ""
  },
  {
   "claim": "Apple cider vinegar SMD -0.39 (-0.63 to -0.15), 10 RCTs, 789 adults; includes PMID 38966098 retracted 23 Sep 2025",
   "status": "confirmed",
   "evidence": "PMID 41010525 abstract matches; PMC12472926 table lists Abou-Khalil 2024 (Lebanon) as included; PMID 38966098 record: 'Retraction in BMJ Nutr Prev Health 2025 Sep 23'.",
   "fix": ""
  },
  {
   "claim": "Median of 17 kg effects 0.92 kg, unchanged without salmon and sparkling water; counts 18+20+11+14=63",
   "status": "confirmed",
   "evidence": "Recomputed from CSV: 9th of 17 sorted values = 0.92; 8th of 15 = 0.92. Lists contain 18, 20, 11 and 14 items.",
   "fix": ""
  },
  {
   "claim": "Section heading 'The 13 items tested only indirectly'",
   "status": "wrong",
   "evidence": "The list under it has 14 items (banana, collagen, Greek yogurt, coffee, ginger tea, lemon juice, pasta, pineapple, spinach, sweet potato, tuna, vitamin B12, whole grain bread, yogurt); plain-language section and CSV both say 14; 18+20+11+13=62.",
   "fix": "Change heading to 'The 14 items tested only indirectly'."
  },
  {
   "claim": "'three were moved from \"not tested\" to the notes on trials for other purposes'",
   "status": "wrong",
   "evidence": "Of the eight items where reviewers found trials, three (banana, tuna, Greek yogurt) went to 'tested only indirectly'; the other five (shrimp/prawns, tofu, corn, coconut water, granola) stayed 'not tested' with notes - the CSV has 'Review added PMIDs' notes on all five, and the article lists notes for all five.",
   "fix": "Replace with: 'and the other five (prawns, tofu, corn, coconut water, granola) stayed \"not tested\", with those trials listed as trials for other purposes.'"
  },
  {
   "claim": "'Every change is listed in the CSV'",
   "status": "not_confirmed",
   "evidence": "CSV notes say 'Moved from not tested' only for pasta. For banana, tuna and Greek yogurt the note says only 'Review added PMIDs'; collagen (both readers SMALL_EFFECT, final TESTED_ONLY_INDIRECTLY) has no note recording the label change.",
   "fix": "Add an explicit 'label changed from X to Y after independent review' note (or column) for banana, tuna, Greek yogurt and collagen."
  },
  {
   "claim": "Whole grain bread: 'whole grains in general'",
   "status": "not_confirmed",
   "evidence": "CSV gives PMID 41861447 for this row, but that is a 12-week RCT of hypocaloric wholegrain rye vs refined wheat diets in 255 people with overweight/obesity (3.2 vs 2.9 kg, p=0.32), not the '87-trial whole-grain MA' the CSV text describes.",
   "fix": "Article: 'whole grains in general, plus rye-food trials (e.g. PMID 41861447, no difference vs refined wheat)'. CSV: make best_evidence text match the PMID, or cite the 87-trial MA's PMID."
  },
  {
   "claim": "Spinach: 'a spinach-leaf extract, one trial of 48 women'",
   "status": "not_confirmed",
   "evidence": "PMID 32782010 confirmed, but PubMed holds several other RCTs of spinach thylakoid extract with weight/body composition (e.g. PMIDs 24993695, 33368745, 41103319, 41683333).",
   "fix": "'Spinach: spinach-leaf (thylakoid) extract supplements, for example one trial of 48 women; no trial of eating spinach.'"
  },
  {
   "claim": "Yogurt: 'one trial of 34 people, confounded by calcium'",
   "status": "not_confirmed",
   "evidence": "PMID 15672113 confirmed, but other RCTs exist, e.g. PMID 29179781 (low-fat yogurt vs soy pudding for 9 weeks, including women with obesity; both groups gained ~0.9 kg) and PMIDs 29724529/26702123 (fortified or probiotic vs plain yogurt).",
   "fix": "'Yogurt: trials mostly compare yogurt types or are confounded (e.g. one trial of 34 people confounded by calcium); a 9-week trial against soy pudding found no weight difference (PMID 29179781).'"
  },
  {
   "claim": "Ginger: 36-RCT 2025 MA no change; 27-RCT 2024 MA -1.52 kg",
   "status": "confirmed",
   "evidence": "PMIDs 41101746 and 38261398 abstracts match.",
   "fix": ""
  },
  {
   "claim": "Coconut oil: +0.04 kg per 5 mL/day judged not clinically meaningful; PMID 34786908 -0.75 kg vs other oils",
   "status": "confirmed",
   "evidence": "PMID 40481535: MD 0.04 kg (0.01-0.08), 'not clinically meaningful'; PMID 34786908: -0.75 kg vs other oils/fats (9 trials).",
   "fix": ""
  },
  {
   "claim": "Whey: larger null analyses; PMID 29087242 significant reduction",
   "status": "confirmed",
   "evidence": "PMID 33971994: 10 studies, 596, no change in body mass; PMID 29087242: 9 RCTs, MD 0.56 kg favouring whey.",
   "fix": ""
  },
  {
   "claim": "Grapefruit: early trial 91 obese adults positive; PMIDs 22304836, 21288350 null; pooled null",
   "status": "confirmed",
   "evidence": "PMID 16579728 (91 obese, fresh grapefruit > placebo); 22304836 (no between-group difference); 21288350 (preload form made no difference); PMID 25880021 MD -0.45 (-1.06 to 0.16).",
   "fix": ""
  },
  {
   "claim": "Vitamin B6: one 8-week trial, 44 women; weight not different; lower fat mass vs placebo",
   "status": "confirmed",
   "evidence": "PMID 34386442: 44 women, 80 mg/d 8 weeks; between-group differences in fat mass, VAI, insulin etc.; weight reduced only within-group.",
   "fix": ""
  },
  {
   "claim": "Chia: PMID 39299649 suggests benefit; PMID 39225983 GRADE MA null",
   "status": "confirmed",
   "evidence": "Both abstracts match (39225983: 8 studies, no significant effect on BW).",
   "fix": ""
  },
  {
   "claim": "Avocado, fish oil, quinoa, saffron, water, watermelon, kefir, nuts, dark chocolate, fruit juice, beet juice, peanut butter, whole wheat bread, creatine labelled no meaningful weight loss",
   "status": "confirmed",
   "evidence": "Abstracts of PMIDs 35405602, 26571503, 36847233, 35866520, 38612997, 37369281, 37102491, 34494363, 29553824, 38227336, 42130877, 41632974, 22357746, 41433021 all report null weight/BMI results. Creatine +0.89 kg is not in the abstract (abstract confirms body mass rose); nuts '105 comparisons' in the CSV differs from the abstract's 114 comparisons/86 RCTs (likely a weight sub-pool). Dark chocolate: a subgroup (>=30 g/day, 4-8 weeks) was significant.",
   "fix": ""
  },
  {
   "claim": "Granola trial PMID 29490721, 55 overweight adults, granola in both arms",
   "status": "confirmed",
   "evidence": "Abstract matches.",
   "fix": ""
  },
  {
   "claim": "Tofu: PMID 10694766 (42 men, crossover vs meat); Kori-tofu vs whey, 45 adults, weight rose equally (PMID 36615709)",
   "status": "confirmed",
   "evidence": "Abstracts match; PMC9824620 full text: weight +0.4 kg Kori-tofu vs +0.3 kg control, not different. Note that the Kori-tofu was given in bread slices and buns.",
   "fix": ""
  },
  {
   "claim": "Shrimp: 12-week crossover, 23 men, prawns vs crab sticks, weight stable",
   "status": "confirmed",
   "evidence": "PMID 20196970.",
   "fix": ""
  },
  {
   "claim": "Corn: corn cereal comparison arm in barley trial",
   "status": "confirmed",
   "evidence": "PMID 40944189 (6 weeks, 30 overweight adults; corn arm +0.85 kg).",
   "fix": ""
  },
  {
   "claim": "Coconut water: acute rehydration trials",
   "status": "confirmed",
   "evidence": "PMIDs 12056182, 17883020.",
   "fix": ""
  },
  {
   "claim": "Banana, collagen, Greek yogurt (incl. kashk), pasta, tuna rows",
   "status": "confirmed",
   "evidence": "PMIDs 30887937 (113 adults, 24 weeks), 20623003, 35658958 (12 RCTs, fat mass -1.21 kg), 31114790, 41470847, 31987116 (70 women, BMI fell more), 29615407 (no pasta-alone trials; -0.63 kg), 42369918 (120 ischaemic cardiomyopathy patients, -1.8 kg, p=0.034).",
   "fix": ""
  },
  {
   "claim": "No missed RCT for the 11 'not tested' items under the stated definition",
   "status": "confirmed",
   "evidence": "E-utilities searches for each of almond milk, cabbage, coconut water, corn, cottage cheese, granola, lemon water, popcorn, shrimp, soursop, tofu (title/abstract and weight/BMI/obesity terms, randomised/trial filters), plus 6 web searches. No RCT of at least 4 weeks with the item as the intervention, in people with overweight or trying to lose weight, measuring weight or BMI. Borderline items that do not qualify: Thai lime juice in warm water, 29 women, 30 days, unpublished thesis, not clearly randomised, lime not lemon, no between-group difference (mfuir.mfu.ac.th 96806); oat granola vs non-wholegrain cereal crossover in 32 at-risk adults (PMID 27872611, lipid/microbiota outcomes); fruit granola vs corn flakes for 4 weeks (PMID 38455871, gut outcomes); soursop and lemon-water studies (PMIDs 31462727, 41355048) without weight outcomes or a weight-loss population.",
   "fix": ""
  }
 ],
 "missed_trials": [],
 "wording_issues": [
  {
   "text": "### The 13 items tested only indirectly",
   "problem": "The count is wrong: the list has 14 items and the totals need 14 to reach 63.",
   "fix": "### The 14 items tested only indirectly"
  },
  {
   "text": "and three were moved from \"not tested\" to the notes on trials for other purposes",
   "problem": "There are five, and they were not 'moved': they stay in 'not tested' with notes.",
   "fix": "and the other five (prawns, tofu, corn, coconut water, granola) stayed \"not tested\", with those trials listed below as trials for other purposes"
  },
  {
   "text": "No meaningful weight loss: the item was tested with body weight as an outcome",
   "problem": "Watermelon's best evidence measured BMI only (the CSV outcome is BMI). The 'not tested' definition already says 'body weight or BMI'.",
   "fix": "...tested with body weight or BMI as an outcome..."
  },
  {
   "text": "Spinach: a spinach-leaf extract, one trial of 48 women.",
   "problem": "Implies there is only one trial; there are several thylakoid-extract RCTs.",
   "fix": "Spinach: spinach-leaf (thylakoid) extract supplements, e.g. one trial of 48 women; no trial of eating spinach."
  },
  {
   "text": "Yogurt: one trial of 34 people, confounded by calcium.",
   "problem": "Implies there is only one trial; PMID 29179781 (yogurt vs soy pudding, 9 weeks, including women with obesity, no weight difference) and trials comparing yogurt types exist.",
   "fix": "See the claims entry."
  },
  {
   "text": "Whole grain bread: whole grains in general.",
   "problem": "The CSV's PMID for this row is a rye-food weight-loss RCT, not a whole-grain MA.",
   "fix": "See the claims entry."
  }
 ],
 "required_changes": [
  "Change the heading 'The 13 items tested only indirectly' to 'The 14 items tested only indirectly'.",
  "In 'How each item was labelled', correct 'three were moved from \"not tested\" to the notes' to five (prawns, tofu, corn, coconut water, granola), which stayed 'not tested' with notes.",
  "To back up 'Every change is listed in the CSV', add explicit label-change notes to the CSV for banana, tuna and Greek yogurt (NOT_TESTED to TESTED_ONLY_INDIRECTLY) and for collagen (SMALL_EFFECT to TESTED_ONLY_INDIRECTLY).",
  "CSV row 'whole grain bread': make the best_evidence text and the PMID agree. PMID 41861447 is a 12-week rye vs refined wheat weight-loss RCT, null. Adjust the article line to match.",
  "Fix the spinach and yogurt lines in 'tested only indirectly' so they do not say only one trial exists (several thylakoid RCTs; yogurt RCT PMID 29179781 and others)."
 ],
 "optional_suggestions": [
  "No-meaningful-loss definition: say 'body weight or BMI' (watermelon is BMI only).",
  "Dark chocolate: add that a subgroup (>=30 g/day, 4-8 weeks) in PMID 29553824 was significant, as is done for the other disputed items.",
  "Tuna: the PMID 42369918 population is 'ischaemic cardiomyopathy'; 'ischaemic heart disease' is acceptable but less exact.",
  "Sparkling water: '46 randomised, 45 analysed' is more exact than '45 adults'.",
  "Vinegar row: the umbrella review's weight pool includes trials from 5 days to 12 weeks; consider noting this.",
  "The 'no meaningful' group does not require an overweight or weight-loss population (peanut butter: older adults; whey MA: mixed), while 'not tested' does. Consider one sentence acknowledging this asymmetry.",
  "Granola/corn notes could also mention PMID 38455871 (fruit granola vs corn flakes, 4 weeks, gut outcomes) and PMID 27872611 (oat granola crossover, lipid outcomes), which journalists may find.",
  "CSV nuts row: '105 comparisons' vs the abstract's 114 comparisons/86 RCTs. Confirm it is the weight sub-pool and say so."
 ]
}