{
 "verdict": "NOT_VALID",
 "claims": [
  {
   "claim": "Psyllium 2.1 kg (1.6-2.6), 6 RCTs, 354 overweight/obese adults, P&G authors",
   "status": "confirmed",
   "evidence": "PMID 37163454: MD -2.1 kg (-2.6 to -1.6), n=354, 6 studies; authors are P&G employees (Metamucil).",
   "fix": ""
  },
  {
   "claim": "Vegetarian diet 2.0 kg (1.2-2.8), 12 RCTs, 1,151",
   "status": "confirmed",
   "evidence": "PMID 26138004: WMD -2.02 (-2.80 to -1.23), 12 RCTs, 1151 subjects.",
   "fix": ""
  },
  {
   "claim": "Pomegranate 2.0 kg (1.0-2.9), meta-analysis 2024",
   "status": "confirmed",
   "evidence": "PMID 38370057: WMD -1.97 (-2.91,-1.03), 28 trials. Epub Nov 2023, issue Feb 2024; '2024' acceptable.",
   "fix": "Optional: add '28 trials'."
  },
  {
   "claim": "Brown rice 1.6 kg (1.1-2.2), 6 trials pooled",
   "status": "confirmed",
   "evidence": "PMID 33905269: -1.63 (-2.15,-1.11), n=6 trials; GRADE low/very low.",
   "fix": ""
  },
  {
   "claim": "Vinegar 1.1 kg (0.5-1.6), umbrella review 2026, 13 RCTs, 918 people",
   "status": "confirmed",
   "evidence": "PMID 42110393 (PMC13149749) Table 2: Weight 13 trials, 918, -1.06 (-1.6,-0.52), GRADE high. Body-text says '12 trials'; table says 13. The retracted ACV trial (38966098) is cited only in the introduction, not in the weight pool. BMI pooled was NOT significant (-0.15, -0.35 to 0.04).",
   "fix": "Optional: note BMI was not significant in the same review."
  },
  {
   "claim": "Salmon ~1 kg, men only, 4 weeks, SEAFOODplus 324 adults, four arms, not salmon-specific",
   "status": "confirmed",
   "evidence": "PMID 17502874: 324 men and women aged 20-40, BMI 27.5-32.5, 4 arms; ~1 kg more in men at 4 weeks for cod, salmon or fish oil; no diet difference in women.",
   "fix": ""
  },
  {
   "claim": "Oats 0.9 kg (0.1-1.8), meta-analysis 2022",
   "status": "confirmed",
   "evidence": "PMID 34977959: weight -0.94 (-1.84,-0.05). Note: interventions include oat beta-glucan-rich extracts and avenanthramides, not only whole oats; two authors employed by Standard Process, which paid the publication fee.",
   "fix": "Optional: say 'oats or oat beta-glucan'."
  },
  {
   "claim": "Cinnamon 0.9 kg (0.3-1.5), 21 RCTs, 1,480",
   "status": "confirmed",
   "evidence": "PMID 31800140: WMD -0.92 (-1.51,-0.33), 21 RCTs, 1480.",
   "fix": ""
  },
  {
   "claim": "Olive oil 0.9 kg (0.7-1.2), 11 RCTs >=12 weeks",
   "status": "confirmed",
   "evidence": "PMID 30461730: -0.92 (-1.16,-0.67), 11 studies, >=12 weeks.",
   "fix": ""
  },
  {
   "claim": "Turmeric/curcumin 0.8 kg (0.4-1.3), 60 RCTs, 2023",
   "status": "confirmed",
   "evidence": "PMID 36882287: WMD -0.82 (-1.30,-0.35), 60 RCTs, 3691 people.",
   "fix": ""
  },
  {
   "claim": "Higher-protein diet 0.8 kg (0.1-1.5), 24 RCTs isocaloric",
   "status": "confirmed",
   "evidence": "PMID 23097268: -0.79 (-1.50,-0.08), 24 trials, 1063 people, energy-restricted isocaloric.",
   "fix": ""
  },
  {
   "claim": "Green tea 0.7 kg (0.5-1.0), dose-response MA 2025",
   "status": "confirmed",
   "evidence": "PMID 40326418: WMD -0.74 (-0.97,-0.51).",
   "fix": ""
  },
  {
   "claim": "Sparkling water 0.7 kg (0.1-1.4), open-label RCT, 45 adults, exploratory; 'Authors are employed by Asahi Soft Drinks'",
   "status": "not_confirmed",
   "evidence": "PMID 42106408: -0.72 (-1.37,-0.07); 46 randomised, 45 completed; control was non-carbonated water. Only 2 of 5 authors (incl. lead/corresponding) are Asahi Soft Drinks employees; others are Macromill, Mibyou Life Science, a clinic. Paper declares no competing interests.",
   "fix": "Change to: 'Two of the five authors, including the lead author, are employed by Asahi Soft Drinks (the paper declares no competing interests).'"
  },
  {
   "claim": "Magnesium 0.7 kg (0.1-1.3), MA 2026",
   "status": "confirmed",
   "evidence": "PMID 42588058: WMD -0.70 (-1.30,-0.09), 78 RCTs. BMI was not significant.",
   "fix": "Optional: add '78 RCTs'."
  },
  {
   "claim": "Flaxseed 0.6 kg (0.3-1.0), 64 trials, 2024",
   "status": "confirmed",
   "evidence": "PMID 38992480: -0.63 (-1.00,-0.27), 64 trials.",
   "fix": ""
  },
  {
   "claim": "Almonds 0.5 kg (0.1-0.9), 37 RCTs, 2024",
   "status": "confirmed",
   "evidence": "PMID 38351580: -0.45 (-0.85,-0.05). Effect only vs nut-free control, not vs other snacks/nuts; BMI not significant.",
   "fix": ""
  },
  {
   "claim": "Viscous fibre 0.3 kg (0.1-0.5), 62 RCTs, 3,877",
   "status": "confirmed",
   "evidence": "PMID 31897475: -0.33 (-0.51,-0.14), 62 trials, n=3877.",
   "fix": ""
  },
  {
   "claim": "ACV SMD -0.39 (-0.63 to -0.15), 10 RCTs, 789 adults, 2025; included trial 38966098 retracted 23 Sept 2025; not recalculated",
   "status": "confirmed",
   "evidence": "PMID 41010525 (PMC12472926): SMD -0.39 (-0.63,-0.15), 10 RCTs, 789. Full text cites Abou-Khalil 2024 as ref 44 and lists it among included trials. PMID 38966098 record: 'Retraction in BMJ Nutr Prev Health. 2025 Sep 23'. No erratum/comment linked to 41010525 in PubMed.",
   "fix": ""
  },
  {
   "claim": "Median of 17 kg effects = 0.92 kg",
   "status": "confirmed",
   "evidence": "Sorted: 2.1, 2.02, 1.97, 1.63, 1.06, ~1 (salmon), 0.94, 0.92, 0.92, 0.82, 0.79, 0.74, 0.72, 0.70, 0.63, 0.45, 0.33; 9th value = 0.92.",
   "fix": ""
  },
  {
   "claim": "Category counts 18+21+10+14 = 63; 54 agreed + 9 disagreed; 9+5 = 14 indirect",
   "status": "confirmed",
   "evidence": "Arithmetic checks out, but see tofu and Greek yogurt below: counts must change.",
   "fix": ""
  },
  {
   "claim": "Ginger: 36 RCTs 2025 (41101746) null on body weight; 27 RCTs 2024 (38261398) 1.52 kg",
   "status": "confirmed",
   "evidence": "41101746: 36 RCTs, BW not improved. 38261398: 27 RCTs, -1.52 (-2.37,-0.66).",
   "fix": ""
  },
  {
   "claim": "Coconut oil: most recent dose-response MA (40481535) found no clinically meaningful effect; listed under 'no statistically significant effect'",
   "status": "wrong",
   "evidence": "PMID 40481535 reports a STATISTICALLY SIGNIFICANT mean difference in weight of 0.04 kg (95% CI 0.01 to 0.08) and BMI 0.01 (0.00-0.02), judged not clinically meaningful. So the item's category label ('no statistically significant change') is contradicted by its own cited best evidence. 34786908: -0.75 kg vs other oils, P=0.04 - confirmed.",
   "fix": "Either (a) state explicitly: 'the most recent dose-response meta-analysis (PMID 40481535) found a statistically significant but trivial difference of 0.04 kg (95% CI 0.01 to 0.08), which its authors judged not clinically meaningful', and amend the 'No significant effect' definition to cover 'or a statistically significant but negligible (<0.1 kg) difference', or (b) cite a different best-evidence analysis that is actually non-significant."
  },
  {
   "claim": "Whey: 29087242 reported a significant reduction in overweight/obese",
   "status": "confirmed",
   "evidence": "29087242: 9 RCTs, body weight MD 0.56 (0.30-0.81) favouring whey.",
   "fix": ""
  },
  {
   "claim": "Greek yogurt: 'the only randomised trial that measured body mass (PMID 31114790)' was 30 lean young men, no difference vs placebo pudding",
   "status": "wrong",
   "evidence": "31114790 full text (PMC6503736) Table 3: body mass +1.9 vs +1.7 kg, interaction p=0.776 - the null result is confirmed. But it is NOT the only RCT that measured body mass: PMID 41470847 (2025, Nutrients) is an 8-week randomised pilot in adults 55+ (Greek yogurt vs no yogurt, both exercising) that measured body mass (increased across groups, no group difference reported). Also, by the article's own rule ('in people not trying to lose weight' -> tested only indirectly), Greek yogurt should be in the indirect group, exactly like shrimp.",
   "fix": "Move Greek yogurt to 'Tested only indirectly' (no-effect 21->20, indirect 14->15), and reword: 'Two small randomised trials measured body mass, both in people who were exercising and not trying to lose weight (30 lean young men, PMID 31114790; 48 adults aged 55+, PMID 41470847); neither found a difference in body mass.'"
  },
  {
   "claim": "Tofu: never tested on body weight in a randomised trial",
   "status": "wrong",
   "evidence": "PMID 11103227 (Habito et al., Br J Nutr 2000): randomised crossover, 42 men, 290 g/day tofu vs 150 g lean meat for 4 weeks each, isoenergetic; body weight was measured (results adjusted for 'weight change' between diets). Companion reports PMID 10694766, 11194529. This meets the article's definition of a trial in which 'the item itself was the intervention and body weight was measured', the same situation as shrimp (PMID 20196970) which the article puts in 'tested only indirectly'.",
   "fix": "Move tofu from 'never tested' to 'Tested only indirectly' (never tested 10->9; indirect +1) with: 'Tofu: one 4-week randomised crossover in 42 men replacing lean meat with tofu (PMID 11103227), designed to study hormones and cholesterol; weight was recorded but it was not a weight-loss trial.' Remove tofu from the plain-language 'never tested' examples and update all counts."
  },
  {
   "claim": "Grapefruit: no significant effect in best available evidence",
   "status": "not_confirmed",
   "evidence": "Two RCTs found no difference (Dow 2012, PMID 22304836; Silver 2011, PMID 21288350), but the widely cited Fujioka 2006 RCT (PMID 16579728, 91 obese patients) found the fresh-grapefruit arm lost significantly more weight than placebo. No meta-analysis located. Label defensible but the disagreement is undisclosed, unlike ginger/coconut/whey.",
   "fix": "Add to 'Where other reviews disagree': 'Grapefruit: two later RCTs (PMIDs 22304836, 21288350) found no difference, but a 12-week RCT in 91 obese adults (PMID 16579728) found more weight loss with half a fresh grapefruit before meals than with placebo.'"
  },
  {
   "claim": "Banana: 'green banana flour (biomass)'",
   "status": "not_confirmed",
   "evidence": "30887937 is green banana BIOMASS (cooked green-banana pulp, 40 g/day), not flour; 20623003 is native banana starch, crossover vs soy milk in obese T2D.",
   "fix": "Change to 'green banana biomass (cooked unripe-banana pulp)'."
  },
  {
   "claim": "Collagen peptides: 12 RCTs, 1.2 kg less fat mass, weight not pooled",
   "status": "confirmed",
   "evidence": "35658958: 12 RCTs, FM -1.21 (-2.13,-0.29).",
   "fix": ""
  },
  {
   "claim": "Pasta: low-GI diets MA -0.63 kg, no trial of pasta alone",
   "status": "confirmed",
   "evidence": "29615407: 'no trial comparisons of pasta alone', 32 comparisons, MD -0.63.",
   "fix": ""
  },
  {
   "claim": "Shrimp: 23 men, 12-week crossover vs crab sticks, weight stable",
   "status": "confirmed",
   "evidence": "20196970.",
   "fix": ""
  },
  {
   "claim": "Tuna: 12-week RCT, selenium-enriched tuna nuggets, 120 ischaemic heart disease patients, 1.8 kg",
   "status": "confirmed",
   "evidence": "42369918: 120 ICM patients, weight -1.8 kg (P=0.034) vs standard dietary care.",
   "fix": ""
  },
  {
   "claim": "Never-tested items other than tofu (almond milk, cabbage, coconut water, corn, cottage cheese, granola, lemon water, popcorn, soursop)",
   "status": "confirmed",
   "evidence": "E-utilities searches found no RCT with the item as intervention and weight/BMI outcome. Near-misses: granola bar used as the vehicle in BOTH arms of an oligofructose trial (PMID 29490721) - not a test of granola; kimchi (fermented cabbage) RCTs exist (PMID 21745625, MA 39545368) - a different product; coconut water trials are rehydration/BP/colitis; cottage cheese trials are acute satiety (25772196, 30249314); corn flour crossover 38880174 compared corn types against each other.",
   "fix": ""
  },
  {
   "claim": "No-effect items spot-checked: chia, avocado, dark chocolate, kefir, quinoa, beet juice, water, saffron, vitamin B6, watermelon, fruit juice",
   "status": "confirmed",
   "evidence": "Null body-weight results in: chia 39225983/39672763 (but Fateh 2024, 39299649, abstract claims benefit on body weight); avocado 35405602; cocoa 29553824 (null overall, subgroup benefit); kefir 37102491/41076330; quinoa 36847233; beet/nitrate 36847169/42130877; water 38612997 (-0.33, -1.75 to 1.08); saffron 31264281/35866520; B6 30841823 (34386442 within-group only); watermelon/citrulline 41097202; 100% juice 38227336.",
   "fix": ""
  }
 ],
 "missed_trials": [
  {
   "item": "Tofu (listed as never tested)",
   "pmid": "11103227",
   "why_it_matters": "Randomised crossover, tofu replacing meat for 4 weeks in 42 men with body weight measured. Meets the article's own definition, the same as shrimp, so tofu should not be called 'never tested'. Companion papers: 10694766, 11194529."
  },
  {
   "item": "Greek yogurt (stated 'only randomised trial that measured body mass')",
   "pmid": "41470847",
   "why_it_matters": "A second randomised Greek-yogurt trial (adults 55+, 8 weeks) measured body mass, so 'the only' is false. Both trials are in non-weight-loss settings, so the item belongs in 'tested only indirectly'."
  },
  {
   "item": "Grapefruit (no significant effect)",
   "pmid": "16579728",
   "why_it_matters": "An RCT with a positive weight result that conflicts with the label and is not disclosed in 'Where other reviews disagree'."
  }
 ],
 "wording_issues": [
  {
   "text": "Authors are employed by Asahi Soft Drinks",
   "problem": "Only 2 of 5 authors are Asahi employees; the paper declares no competing interests.",
   "fix": "Two of the five authors, including the lead author, are employed by Asahi Soft Drinks."
  },
  {
   "text": "No significant effect ... found no statistically significant change in body weight (applied to coconut oil)",
   "problem": "The cited coconut oil analysis found a statistically significant (trivial) change.",
   "fix": "See coconut oil claim fix."
  },
  {
   "text": "Their reviews found four trials our reviews had missed (tuna, Greek yogurt, banana products and prawns)",
   "problem": "This review finds more (tofu, a second Greek-yogurt RCT), and the same count appears in Limits.",
   "fix": "Update the count and list in both the method and Limits sections."
  },
  {
   "text": "green banana flour (biomass)",
   "problem": "Biomass is cooked pulp, not flour.",
   "fix": "green banana biomass (cooked unripe-banana pulp)"
  }
 ],
 "required_changes": [
  "Tofu: move from 'never tested' to 'tested only indirectly' citing PMID 11103227 (randomised crossover, tofu vs meat, weight measured), remove tofu from the plain-language 'never tested' examples, and update the counts (never tested 10->9).",
  "Greek yogurt: delete 'the only randomised trial that measured body mass'; cite both 31114790 and 41470847; move Greek yogurt to 'tested only indirectly' to match the rule already applied to shrimp (no-effect 21->20). Update all counts (plain-language bullets, section headers, method paragraph '9 + 5' breakdown, CSV) so they still sum to 63.",
  "Coconut oil: the cited best evidence (PMID 40481535) found a statistically significant 0.04 kg (0.01-0.08) difference. Either state this explicitly and widen the 'no significant effect' definition to cover negligible significant effects, or cite a genuinely non-significant analysis. As written, the label contradicts its source.",
  "Grapefruit: add to 'Where other reviews disagree' the positive RCT PMID 16579728 versus null RCTs 22304836 and 21288350.",
  "Sparkling water: correct the COI to 'two of the five authors, including the lead author, are employed by Asahi Soft Drinks'.",
  "Update 'found four trials our reviews had missed' in both the method and Limits sections to reflect this round's additions."
 ],
 "optional_suggestions": [
  "Banana: 'green banana biomass (cooked unripe-banana pulp)' instead of 'flour'.",
  "Oats row: note that the meta-analysis includes oat beta-glucan extracts and that two authors were Standard Process employees.",
  "Vinegar vs apple cider vinegar: say that the vinegar umbrella pool is largely ACV trials, so the two rows are not independent evidence. Note that BMI was not significant in the umbrella review, and the retracted Lebanese trial is not in its weight pool.",
  "Cabbage: add a line saying kimchi trials (e.g. PMID 21745625) exist but test a fermented product, so a journalist does not read it as a miss.",
  "Chia: one meta-regression (PMID 39299649) claims a body-weight benefit; consider listing it under disagreements.",
  "Salmon and sparkling water each rest on a single trial; the plain-language '18 have trial evidence' could say 'two of them from a single small trial'.",
  "Pomegranate row: add '28 trials'. Magnesium: '78 RCTs'. Almonds: effect seen only against nut-free controls."
 ]
}