What it is
PHGG is partially hydrolyzed guar gum, a soluble fiber from Indian cluster beans (Cyamopsis). The partial hydrolysis makes it less viscous than regular guar gum and low-FODMAP certified.
Supplement · Prebiotic Fiber
Partially Hydrolyzed Guar Gum (PHGG)
PHGG, Sunfiber
5–10 g · vegan · gluten-free · 30 caps
inflammationconstipationbloating gut
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How it works
PHGG ferments slowly along the entire colon, producing SCFA without rapid gas peaks. Supports both IBS-D (binds water) and IBS-C (softens stool).
Who should take it
Adults with IBS of either subtype, post-antibiotic gut recovery, FODMAP-sensitive users wanting fiber.
Avoid / careful
Generally exceptional tolerability. Start at 3 g if very sensitive.
When to take it
Morning
Noon
Evening
Night
How to take it
With food
Empty stomach
Before food
FAQs
Frequently asked
Is PHGG suitable for a low-FODMAP diet?
Yes, PHGG is specifically certified as low-FODMAP, making it a safe fiber option for individuals following this dietary approach for IBS management.
How quickly can I expect to see results?
Digestive improvements can vary. Some individuals notice changes within 1-2 weeks, while others may require 4-8 weeks of consistent use to experience significant benefits.
Can PHGG help with post-antibiotic diarrhea?
Yes, by acting as a prebiotic, PHGG can help restore a healthier balance of gut bacteria after antibiotic use, potentially alleviating diarrhea and promoting gut recovery.
Research summary
A plain-English read of the literature behind this supplement. Not a clinical recommendation.
Japanese RCTs (Niv 2016) in IBS show symptom score improvements at 5 g/day over 4 weeks.
From the blog
Editorial notes
SacredBod's longer take on Partially Hydrolyzed Guar Gum (PHGG) — context the structured blocks above don't capture.
Partially Hydrolyzed Guar Gum (PHGG) is a prebiotic fiber supplement. PHGG is partially hydrolyzed guar gum, a soluble fiber from Indian cluster beans (Cyamopsis). The partial hydrolysis makes it less viscous than regular guar gum and low-FODMAP certified.
How it works
PHGG ferments slowly along the entire colon, producing SCFA without rapid gas peaks. Supports both IBS-D (binds water) and IBS-C (softens stool).
Who it’s for
Adults with IBS of either subtype, post-antibiotic gut recovery, FODMAP-sensitive users wanting fiber.
Dosage & timing
- Typical dose: 5–10 g
- Best time: morning
- With food: with-food
- Expected onset: 2–4 weeks for IBS markers.
India context
Availability on Amazon India is currently limited or import-only for this form. International brands (iHerb, NOW Foods, Doctor’s Best) ship to India with variable customs handling. Local Ayurvedic equivalents may offer overlapping benefits.
Safety
Generally exceptional tolerability. Start at 3 g if very sensitive.
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