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Head-to-head evidence comparison — which supplement is right for you?
PHGG wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Mostly mechanism / observational
2 of 2 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
5 of 5 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Lactoferrin and PHGG have evidence — compare verdict strength side-by-side.
200–300 mg daily for adults; 100–200 mg/day for children
30–60 minutes before breakfast, Between meals on an empty stomach
Bovine lactoferrin capsule or powder (≥95% purity)
5-6g daily
With meals, Can be added to drinks or food
PHGG powder (Sunfiber is common brand)
4–8 weeks of use
4–8 weeks
4–8 weeks
6–12 weeks
1-2 weeks
2-4 weeks
2-4 weeks
Effect of Lactoferrin Supplementation on Inflammation, Immune Function, and Prevention of Respiratory Tract Infections in Humans: A Systematic Review and Meta-analysis.
Advances in Nutrition (2022) · Meta analysis
Lactoferrin significantly reduced IL-6 in adults (mean difference: -24.9 pg/mL; 95% CI: -41.64, -8.08 pg/mL)
Lactoferrin reduces the risk of respiratory tract infections: A meta-analysis of randomized controlled trials.
Clinical Nutrition ESPEN (2021) · Meta analysis
Pooled analysis of RCTs showed significant reduction in respiratory tract infection risk with lactoferrin supplementation
Comparative Effects between Oral Lactoferrin and Ferrous Sulfate Supplementation on Iron-Deficiency Anemia: A Comprehensive Review and Meta-Analysis of Clinical Trials.
Nutrients (2022) · Meta analysis
Lactoferrin was non-inferior to ferrous sulfate for increasing hemoglobin and serum ferritin
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 meta-analyses showing OR 0.78 for RTI reduction. Effect more pronounced in children and preterm infants. Conservative estimates due to heterogeneity in populations studied.
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.
PHGG has a higher evidence score (6/10 vs 6.3/10) and wins in 2 of 3 categories.
For improve digestion, PHGG has a higher relevance score (87 vs 70).
No known interactions between Lactoferrin and PHGG have been documented in our database. However, always consult a healthcare provider before combining supplements.