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Head-to-head evidence comparison — which supplement is right for you?
Peppermint Oil and PHGG are closely matched across evidence, studies, and safety.
Verdict
Mostly mechanism / observational
Top outcomes
Verdict
Likely helps
5 of 5 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Peppermint Oil and PHGG have evidence — compare verdict strength side-by-side.
180-225mg enteric-coated peppermint oil, 2-3 times daily before meals
before-meals
Enteric-coated capsules
5-6g daily
With meals, Can be added to drinks or food
PHGG powder (Sunfiber is common brand)
Within hours to 4 weeks
Days to weeks
Soon after dosing
1-2 weeks
2-4 weeks
2-4 weeks
The impact of peppermint oil on the irritable bowel syndrome: a meta-analysis of the pooled clinical data.
BMC Complement Altern Med (2019) · Meta analysis · n=835
12 randomized trials, 835 patients pooled
Peppermint oil for the treatment of irritable bowel syndrome: a systematic review and meta-analysis.
J Clin Gastroenterol (2014) · Meta analysis · n=726
9 randomized placebo-controlled trials, 726 patients
Western herbal medicines in the treatment of irritable bowel syndrome: A systematic review and meta-analysis.
Complement Ther Med (2020) · Meta analysis
33 double-blind placebo-controlled trials reviewed; 17 evaluated peppermint oil
Effectiveness of Partially Hydrolyzed Guar Gum on Cognitive Function and Sleep Efficiency in Healthy Elderly Subjects in a Randomized, Double-Blind, Placebo-Controlled, and Parallel-Group Study
Nutrients (2024) · Rct
The visual memory scores in cognitive function tests and sleepiness on rising scores related to sleep quality were significantly improved in the PHGG group compared to the placebo group.
Continuous partially hydrolyzed guar gum intake reduces cold-like symptoms: a randomized, placebo-controlled, double-blinded trial in healthy adults
European review for medical and pharmacological sciences (2022) · Rct · n=96
PHGG intake may affect immune function and suppress cold-like symptoms through the production of SCFAs in healthy adults.
Prebiotic Effects of Partially Hydrolyzed Guar Gum on the Composition and Function of the Human Microbiota-Results from the PAGODA Trial
Nutrients (2020) · Rct · n=20
To gain functional insight, we further studied stool metabolites using nuclear magnetic resonance (NMR) spectroscopy. (3) Results: In healthy subjects, PHGG had significant effects on stool frequency and consistency.
Based on multiple RCTs showing symptom improvement in IBS patients. Studies show benefits in both constipation-predominant and diarrhea-predominant IBS. Effect diminished at follow-up in some studies.
AI-estimated from published studies. Interpret as directional guidance.
Both Peppermint Oil and PHGG are closely matched — the best choice depends on your specific health goals.
For improve digestion, PHGG has a higher relevance score (87 vs 85).
No known interactions between Peppermint Oil and PHGG have been documented in our database. However, always consult a healthcare provider before combining supplements.