Fiber

PHGG (Partially Hydrolyzed Guar Gum)

Also known as: Sunfiber, PHGG, Hydrolyzed guar

Evidence

Processed guar fiber that's gentle, well-tolerated, and shown to help IBS and SIBO.

Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.

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The highest-scored PHGG (Partially Hydrolyzed Guar Gum) product in our catalog (93/100). Track dose and overlaps in the app.

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Every PHGG (Partially Hydrolyzed Guar Gum) product we have scored

#	Product	Score	Per serving
1	Thorne EnteroMend®	93 A	$1.40
2	Complement Gut Nurture	89 A	$1.93
3	Complement Daily Greens by Complement	80 A-	$1.63
4	Thorne FiberMend	77 B+	$1.50

Scored on dose accuracy, form, label transparency and third-party testing. Per-serving cost is list price divided by servings per container. No brand pays to be listed or ranked.

Common questions

How much PHGG (Partially Hydrolyzed Guar Gum) should I take?

The typical range is 5-10g daily. Ongoing for gut health

When should I take PHGG (Partially Hydrolyzed Guar Gum)?

Any time. Either way, dissolves in any beverage.

Which form of PHGG (Partially Hydrolyzed Guar Gum) is best?

Powder (Sunfiber) — Dissolves clear, tasteless. Other forms in the catalog: Capsules.

Is PHGG (Partially Hydrolyzed Guar Gum) safe?

Commonly reported: Very minimal, Occasionally mild gas. Serious warnings: None significant. Safe

Which PHGG (Partially Hydrolyzed Guar Gum) supplement scores highest?

Thorne EnteroMend®, at 93/100. Scored on dose accuracy, form, label transparency and third-party testing — no brand pays to be listed or ranked.

Primary uses

IBS support
SIBO-friendly
Regularity
Gentle prebiotic

How it works

Very well-tolerated
Helps both constipation and diarrhea
Feeds beneficial bacteria
Doesn't excessively ferment

Dosage

Typical range: 5-10g daily
Timing: Any time
With food: Either way, dissolves in any beverage
Duration: Ongoing for gut health
Special populations: IBS, SIBO, those intolerant to other fibers

Forms

Powder (Sunfiber)
Capsules

Safety

Common side effects

Very minimal
Occasionally mild gas

Contraindications

None known

Products containing PHGG (Partially Hydrolyzed Guar Gum)

Top-scoring supplements in our catalog that list PHGG (Partially Hydrolyzed Guar Gum) on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.

Thorne

Complement

Complement

Daily Greens by Complement

Thorne

Evidence notes

Good evidence especially for IBS

Grade A: Multiple well-designed human trials support the main claims.

Related in Fiber

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.