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Head-to-head evidence comparison — which supplement is right for you?
Liraglutide vs PHGG: Liraglutide has the stronger overall evidence (7.5 vs 6/10); the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Liraglutide wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
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 Liraglutide and PHGG have evidence — compare verdict strength side-by-side.
Prescription-only, clinician-titrated, subcutaneous once daily. Diabetes (Victoza): escalate 0.6 → 1.2 → 1.8 mg/day. Weight management (Saxenda): escalate weekly to 3.0 mg/day. DO NOT self-dose.
any
Subcutaneous once-daily injection (Victoza for diabetes, Saxenda for weight)
5-6g daily
With meals, Can be added to drinks or food
PHGG powder (Sunfiber is common brand)
Weeks to months
Months (titrated over weeks)
Months to years
Especially during dose escalation
1-2 weeks
2-4 weeks
2-4 weeks
Liraglutide and Cardiovascular Outcomes in Type 2 Diabetes (LEADER).
N Engl J Med (2016) · Rct · n=9340
Double-blind cardiovascular-outcomes RCT: 9,340 patients with type 2 diabetes and high cardiovascular risk, liraglutide (up to 1.8 mg/day) vs placebo, median follow-up 3.8 years
A Randomized, Controlled Trial of 3.0 mg of Liraglutide in Weight Management (SCALE Obesity and Prediabetes).
N Engl J Med (2015) · Rct · n=3731
56-week double-blind RCT in 3,731 adults WITHOUT type 2 diabetes (BMI ≥30, or ≥27 with comorbidities), liraglutide 3.0 mg/day vs placebo plus lifestyle (2:1)
Efficacy of Liraglutide for Weight Loss Among Patients With Type 2 Diabetes: The SCALE Diabetes Randomized Clinical Trial.
JAMA (2015) · Rct · n=846
56-week double-blind RCT in 846 adults with overweight/obesity AND type 2 diabetes, liraglutide 3.0 mg vs 1.8 mg vs placebo (2:1:1)
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) · Open label · 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.
Liraglutide has a higher evidence score (7.5/10 vs 6/10) and wins in 2 of 3 categories.
No known interactions between Liraglutide and PHGG have been documented in our database. However, always consult a healthcare provider before combining supplements.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.