PHGG (Partially Hydrolyzed Guar Gum)
Also known as: Sunfiber, PHGG, Hydrolyzed guar
Overview
Processed guar fiber that's gentle, well-tolerated, and shown to help IBS and SIBO.
Frequently Asked About PHGG (Partially Hydrolyzed Guar Gum)
How much PHGG (Partially Hydrolyzed Guar Gum) should I take?
When is the best time to take PHGG (Partially Hydrolyzed Guar Gum)?
Should I take PHGG (Partially Hydrolyzed Guar Gum) with food?
Does PHGG (Partially Hydrolyzed Guar Gum) interact with medications?
What does PHGG (Partially Hydrolyzed Guar Gum) pair well with?
Who should not take PHGG (Partially Hydrolyzed Guar Gum)?
What are the side effects of PHGG (Partially Hydrolyzed Guar Gum)?
Dosage
Ongoing for gut health
IBS, SIBO, those intolerant to other fibers
Research & Studies
We havenโt curated landmark studies for PHGG (Partially Hydrolyzed Guar Gum)yet โ one-click into the primary literature here. PubMedย (RCTs) is usually the highest-signal starting point.
Mechanism of Action
- โข Very well-tolerated
- โข Helps both constipation and diarrhea
- โข Feeds beneficial bacteria
- โข Doesn't excessively ferment
Evidence Quality
Good evidence especially for IBS
Safety & Contraindications
- โข None significant
- โข None known
- โข Very minimal
- โข Occasionally mild gas
Consult healthcare provider
Safe
Interactions
- โข Generally safe, separate if concerned
- โข Often recommended during SIBO treatment
- โข Dissolves in anything
Stacking & Synergies
Buying Guide
- โข Sunfiber or equivalent
- โข True PHGG
- โข Sunfiber is the branded form
- โข Dissolves clear and tasteless
- โข Best for fiber-sensitive individuals
Top Products with PHGG (Partially Hydrolyzed Guar Gum)
Highest-scored catalog products containing PHGG (Partially Hydrolyzed Guar Gum), ranked by our scoring engine.
Browse all PHGG (Partially Hydrolyzed Guar Gum) products โMore in Fiber
Other ingredients in the Fiber category.
Cite this page
Formulate Research Team. (2026, June). PHGG (Partially Hydrolyzed Guar Gum) โ Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/partially-hydrolyzed-guar-gum
Educational content based on published research and our scoring methodology. Not medical advice โ consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.