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Brand · PHGG (Sunfiber)

Sunfiber: Reddit Owner Reviews

4.0 Sunfiber score (147 owner comments, 64 rated)
Owner sentiment3.9
Recommendations2.7
Tolerability4.8
ValueNot rated

Ingredient overall: PHGG (Sunfiber) 3.9 from 507 owner comments.

Commonly praised

  • Regularity: 7
  • Stool form: 4
  • Urgency & loose stools: 4

Common complaints

  • Side effects: 3
  • Bloating & gas: 2
  • Pain & cramping: 1

What owners say about Sunfiber

4/5

“I Figured out the motility issues 2 years ago and what helped me is phgg sunfiber before lunch, a cup of stash ginger tea for lunch and dinner.”

owner comment via r/SIBO · 2026-05-26 · 10 upvotes
4/5 Urgency & loose stools

“Been dealing with chronic diarrhea for months and my naturopath just recommended Tomorrow’s Nutrition brand SunFiber.”

owner comment via r/SIBO · 2025-11-13 · 5 upvotes
4/5 Regularity

“My naturopath who specializes in sibot, Mcas and others recommended I take sunfiber pro.”

owner comment via r/SIBO · 2026-05-21 · 5 upvotes
4/5

“SunFiber has helped me so much, but all other fibers make me flare so much.”

owner comment via r/SIBO · 2025-11-21 · 4 upvotes
2/5 Bloating & gasSide effects

“Yeah, if I had my preference I'd get to two kiwi before starting the Sunfiber, just because that's what I started with.”

owner comment via r/IBS · 2026-09-21 · 1 upvotes
4/5

“The only thing that’s consistently worked for me is Sunfiber 1-2x a day.”

owner comment via r/SIBO · 2026-03-26 · 3 upvotes
4/5

“I take sunfiber! Was recommended to me by my nutritionist and it’s worked really well for me.”

owner comment via r/IBS · 2026-09-06 · 2 upvotes
4/5

“PHGG (Sunfiber) is where I’d start + berries.”

owner comment via r/SIBO · 2025-11-26 · 2 upvotes

Sunfiber on Amazon

Example product · not Reddit-scored

Healthy Origins Healthy Fiber Powder 7.9 oz (225g), Featuring Sunfiber Partially Hydrolyzed Guar Gum (PHGG), Supports Digestive Regularity

Brand on Reddit: 4.0 from 147 owner comments · Sunfiber owner reviews
$18.99 on Amazon (price as of 2026-11-03). Prices change; check Amazon for the current price.
Example product · not Reddit-scored

Doctor's Best Prebiotic Powder Supplement with Sunfiber Guar Fiber, 7.4 oz

Brand on Reddit: 4.0 from 147 owner comments · Sunfiber owner reviews
$19.99 on Amazon (price as of 2026-11-03). Prices change; check Amazon for the current price.
Example product · not Reddit-scored

Bluebonnet Nutrition Sunfiber, 7.4 oz

Brand on Reddit: 4.0 from 147 owner comments · Sunfiber owner reviews
$18.36 on Amazon (price as of 2026-11-03). Prices change; check Amazon for the current price.

Last updated 2026-11-03. Brand comments are a subset of the PHGG (Sunfiber) comments.