What is the recommended dosage for Partially Hydrolyzed Guar Gum (PHGG)?

General: 5-7 g/day; Ibs Support: 5 g/day for 4-12 weeks; Sibo Adjunct: 5 g/day alongside antimicrobial therapy

What are the side effects of Partially Hydrolyzed Guar Gum (PHGG)?

Potential side effects include: Minimal gas and bloating (significantly less than other fibers), Mild abdominal discomfort in rare cases, Loose stools at very high doses.

What is partially hydrolyzed guar gum (PHGG) and how does it work for gut health?

Partially hydrolyzed guar gum is a water-soluble prebiotic fiber derived from guar beans through enzymatic hydrolysis. Unlike regular guar gum, PHGG dissolves completely without thickening, making it easy to add to beverages. Research suggests it may help regulate bowel movements in both constipation and diarrhea, support beneficial bacteria growth, and increase short-chain fatty acid production in the colon.

What is the recommended dosage of PHGG?

Clinical studies have used PHGG at 5-10 g per day, with 5 g being the most commonly studied effective dose. The brand Sunfiber is the most widely researched PHGG product. It can be dissolved in any liquid (hot or cold) without affecting taste or texture. Benefits are typically observed after 1-4 weeks of consistent daily use.

Are there side effects or interactions with PHGG?

PHGG is one of the best-tolerated prebiotic fibers, causing significantly less gas and bloating compared to FOS or inulin. It is classified as a low-FODMAP fiber, making it suitable for many individuals with IBS. No significant drug interactions are known, though as with any fiber supplement, it may affect the absorption of medications taken at the same time.

Partially Hydrolyzed Guar Gum (PHGG)
Partially Hydrolyzed Guar Gum (PHGG)

fiber

يُعرف أيضاً بـ: PHGG, Sunfiber, Taiyo's PHGG, Benefiber

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About

Partially hydrolyzed guar gum (PHGG) is a water-soluble, non-gelling fiber that is exceptionally well-tolerated compared to other fiber supplements. Research suggests it may help normalize both constipation and diarrhea, making it uniquely suited for mixed bowel habit conditions. PHGG supports the growth of Bifidobacterium and Lactobacillus species and is fermented primarily to butyrate without causing the excess gas associated with many other fibers.

How It Works

Water-soluble non-gelling fiber fermented to butyrate in the colon; normalizes both constipation and diarrhea (bidirectional regulatory effect); supports Bifidobacterium and Lactobacillus growth without causing excess gas; low viscosity helps reduce the bloating common with other fiber supplements.

Evidence For Conditions

الحالة	التقييم	الدراسات	المشاركون
Irritable Bowel Syndrome (IBS)	B	5	350	عرض →
Small Intestinal Bacterial Overgrowth (SIBO)	C	2	100	عرض →

Side Effects

Minimal gas and bloating (significantly less than other fibers)
Mild abdominal discomfort in rare cases
Loose stools at very high doses

Drug & Supplement Interactions

May slow absorption of some medications (space 1-2 hours)
Diabetes medications (may modestly affect blood glucose)

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Related Ingredients

Psyllium Husk

حقائق سريعة

الجرعة: General: 5-7 g/day; Ibs_Support: 5 g/day for 4-12 weeks; Sibo_Adjunct: 5 g/day alongside antimicrobial therapy
الأشكال الدوائية: powder capsule
المصادر الطبيعية: Derived from guar gum (Cyamopsis tetragonoloba, a legume plant), Available as processed supplement
الحد الأعلى: Well-tolerated up to 36 g/day in clinical trials
أفضل وقت: Mixed into food or beverages; dissolves completely without altering texture

ملخص الأدلة

Irritable Bowel Syndrome (IBS) B

Small Intestinal Bacterial Overgrowth (SIBO) C

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