Sunfiber: Reddit Owner Reviews
Ingredient overall: PHGG (Sunfiber) 3.9 from 507 owner comments.
Not sure which fiber to try? See soluble fiber types explained. Reddit owners also rank supplements by cramping reports. People often report bloating early on; see how to start a fiber supplement slowly.
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.”
4/5 Urgency & loose stools“Been dealing with chronic diarrhea for months and my naturopath just recommended Tomorrow’s Nutrition brand SunFiber.”
4/5 Regularity“My naturopath who specializes in sibot, Mcas and others recommended I take sunfiber pro.”
4/5“SunFiber has helped me so much, but all other fibers make me flare so much.”
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.”
4/5“The only thing that’s consistently worked for me is Sunfiber 1-2x a day.”
4/5“I take sunfiber! Was recommended to me by my nutritionist and it’s worked really well for me.”
4/5“PHGG (Sunfiber) is where I’d start + berries.”
Sunfiber on Amazon
Healthy Origins Healthy Fiber Powder 7.9 oz (225g), Featuring Sunfiber Partially Hydrolyzed Guar Gum (PHGG), Supports Digestive Regularity
Doctor's Best Prebiotic Powder Supplement with Sunfiber Guar Fiber, 7.4 oz
Bluebonnet Nutrition Sunfiber, 7.4 oz
Last updated 2026-11-03. Brand comments are a subset of the PHGG (Sunfiber) comments.