Gut & Digestion

Gut & Digestion Evidence Ranking

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

• A 84 Psyllium husk (psyllium husk; dietary fiber from Plantago ovata/Plantago spp. seed husk) x Smooth bowel movements and improvement of blood cholesterol
  For bowel movements, there are RCT meta-analyses of direct markers such as bowel movement frequency and stool condition, and for cholesterol, singl... · View verdict →
• B 72 Fructooligosaccharides (FOS; prebiotics) x Gut health and smoother bowel movements
  Bowel frequency is a positive direct endpoint in RCTs/meta-analyses, but effects are modest and heterogeneous; beneficial-bacteria growth is a surr... · View verdict →
• B 68 Ginger (gingerol) x digestion, anti-inflammatory effects, and nausea
  The nausea evidence is genuinely strong, but digestion is centered on surrogate markers and specific ingredients/combinations, while anti-inflammat... · View verdict →
• C 52 Kimchi-derived probiotics (plant-derived lactic acid bacteria) x gut health
  Gut-health signals are confined to specific strains or small kimchi-food studies, and independent replication, non-kimchi controls, and strain gene... · View verdict →
• C 48 Aloe (aloe vera; aloe gel/whole leaf/latex must be distinguished) x gut health, bowel movements, and skin health
  There are short-term RCT signals in disease groups for aloe gel and laxative action for aloe whole leaf/latex, but the evidence is small for speaki... · View verdict →
• C 45 Heat-killed lactic acid bacteria (postbiotics, paraprobiotics, heat-treated cultured bacterial cells) x Superiority claim that they are clinically better than live probiotics
  Delivery to the intestine, high counts, and storage stability are only surrogate logic for clinical efficacy superiority, and the effects of heat-k... · View verdict →
• C 45 Bromelain (pineapple enzyme) x Digestive support and relief of inflammation/edema
  Digestive efficacy lacks standalone human proof, and inflammation evidence is small, heterogeneous, and surrogate-marker centered, so broad adverti... · View verdict →
• C 44 Manuka honey (MGO/UMF) x Stomach health, Helicobacter pylori, GERD symptoms, and immunity
  There is test-tube antibacterial activity and a small positive GERD pilot, but the H. pylori human trial failed and there is no human immune eviden... · View verdict →
• C 40 ABC juice (apple, beet, carrot) and cabbage juice x Stomach health and detoxification
  The key issue is whether classic ulcer healing, surrogate markers such as liver enzymes, and mechanistic plausibility can be directly connected to... · View verdict →
• C score not listed Probiotics (lactic acid bacteria) x gut health and improved bowel movements
  The evidence is conflicting or limited. · View verdict →