Weight

Weight Evidence Ranking

Within this category, verdicts with higher evidence scores appear first. Verdicts without a score stay lower in the same list.

• B 68 L-carnitine x Body fat and dieting
  Human meta-analyses repeatedly show a small mean weight-loss signal of about 1 kg, but body-fat percentage, waist circumference, and large dieting... · View verdict →
• C 48 Green coffee (chlorogenic acids; green coffee bean extract/chlorogenic acid) x Weight loss and body weight/body fat reduction
  Small short-term RCTs show a roughly 1 kg signal, but broader meta-analyses find unstable weight effects and the key large-loss advertising trial w... · View verdict →
• C 45 White kidney bean extract (Phaseolus vulgaris) x Inhibition of carbohydrate absorption and weight loss
  Mechanistic postprandial markers and small weight-loss signals exist, but an independent negative meta-analysis, product dependence, and industry c... · View verdict →
• C 44 African mango (Irvingia gabonensis) x Weight and body fat
  There are positive RCTs, but they are concentrated in specific extracts such as IGOB131 and in a same-author research line. · View verdict →
• C 43 Grains of paradise extract (Aframomum melegueta) x Brown-fat activation, increased energy expenditure, and body-fat reduction
  Human trials exist, but evidence remains limited to BAT and energy-expenditure surrogates and manufacturer-linked short-term body-composition resul... · View verdict →
• C 42 Barley sprout (young barley shoot; Hordeum vulgare L. young barley leaf/sprout) x Diet and liver
  The liver RCTs are centered on oxidative-stress surrogate markers and show no difference versus placebo in liver fat or liver enzymes, while diet l... · View verdict →
• C 42 Chitosan, including chitosan derivatives/polyglucosamine x Fat absorption inhibition and body fat/body weight reduction
  Overall meta-analyses show a small weight difference of about 1 kg, but higher-quality/larger RCTs and human fecal fat excretion studies weaken bot... · View verdict →
• C 42 Capsinoids (capsiate) x Thermogenesis and body-fat reduction
  A thermogenic surrogate signal exists, but the 2021 meta-analysis pooled ingredient classes and the representative RCT was negative for body weight... · View verdict →
• C 40 Fucoxanthin x Reduction in body weight and abdominal fat
  Positive findings are concentrated in a combination product and a 33-participant ingredient-company trial, while the 37-participant direct trial wa... · View verdict →
• D 34 Glucomannan (konjac) x Weight loss and satiety
  Weight-loss signals are small in short-term, small adult studies, but meta-analyses are inconsistent and an independent adult RCT found null primar... · View verdict →
• D 31 Coleus forskohlii extract (forskolin) x Reduction of body fat and body weight
  Small RCTs repeatedly found no significant placebo-adjusted weight loss, while the positive body-fat result is limited to one small male trial, sup... · View verdict →
• D 24 Raspberry ketone x Body fat and dieting
  Direct human evidence for the body-fat claim is nearly absent by the single-ingredient standard. · View verdict →
• C score not listed Probiotics (lactic acid bacteria, specific strains) x Body-fat reduction and dieting
  The evidence is conflicting or limited · View verdict →
• C score not listed Spinach extract (thylakoids) x appetite suppression and weight management
  The evidence is conflicting or limited · View verdict →
• D score not listed Garcinia cambogia (HCA) x body fat and body weight reduction
  Human evidence is insufficient or was not confirmed in key trials. · View verdict →
• D score not listed Cissus quadrangularis x body weight and body fat reduction
  Human evidence is insufficient or was not confirmed in key trials. · View verdict →
• D score not listed CLA (conjugated linoleic acid) x body fat reduction
  Human evidence is insufficient or was not confirmed in key trials. · View verdict →
• D score not listed Green tea catechins (EGCG) x body-fat reduction
  Human evidence is insufficient or was not confirmed in key trials · View verdict →