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Fiber · Bloating & gas

Best Fiber Supplement for Bloating and Gas: What Reddit Owners Report

Among fiber supplement options, Acacia fiber has the best reports from people who struggle with bloating and gas: 10 of 11 rated owner comments were positive. We rank by a context rating that pulls small samples toward the average, so a handful of glowing comments cannot top the list. Only options with at least 5 rated comments in this context are ranked. This is a summary of self-reports, not a recommendation, and it is not evidence that any of them works for you.

#SupplementContext ratingRated comments herePositiveNegativeUnwanted effectsOverall score
1Acacia fiber3.81110123.8
2Wheat dextrin (Benefiber)3.776103.7
3PHGG (Sunfiber)3.64737983.9
4Psyllium husk3.4845719124.2
5Inulin / FOS2.8146853.5

Why each ranks where it does

1. Acacia fiber

10 positive and 1 negative out of 11 rated comments from people who struggle with bloating and gas; 91% positive.

4/5 Gentle

“Acacia is the other gentle one worth knowing about, it ferments so slowly that even sensitive guts handle it well and it actually feeds Bifidobacterium selectively.”

owner comment via r/Microbiome · 2026-05-14 · 17 upvotes
2/5 Regularity

“I do take acacia fiber regularly and I also eat kiwi from time to time, but unfortunately I can’t say that either of them has made a major difference.”

owner comment via r/SIBO · 2026-06-14 · 1 upvotes

2. Wheat dextrin (Benefiber)

6 positive and 1 negative out of 7 rated comments from people who struggle with bloating and gas; 86% positive.

4/5

“I have been using Benefiber for a year now, and it has helped keep things moving.”

owner comment via r/Constipation · 2026-04-02 · 2 upvotes
2/5

“I take one tsp of Benefiber daily and try to eat a little fiber but not much.”

owner comment via r/IBS · 2025-11-10 · 3 upvotes

3. PHGG (Sunfiber)

37 positive and 9 negative out of 47 rated comments from people who struggle with bloating and gas; 79% positive. See Sunfiber (PHGG) side effects. How people take it: Sunfiber (PHGG) dosage and timing.

4/5 Bloating & gasRegularity

“Idk if it was the PHGG causing the insomnia back then btw, maybe it was just a coincidence.”

owner comment via r/IBS · 2025-11-27 · 2 upvotes
2/5 Bloating & gasSide effects

“PHGG made my bloating worse before I added 5-HTP.”

owner comment via r/IBS · 2026-04-14 · 6 upvotes

4. Psyllium husk

57 positive and 19 negative out of 84 rated comments from people who struggle with bloating and gas; 68% positive. See Psyllium husk side effects. How people take it: Psyllium husk dosage and timing.

4/5

“I find that psyllium husk helps a bit, and I started pelvic floor therapy a couple of months ago, which seems to have helped a lot.”

owner comment via r/IBS · 2025-11-09 · 51 upvotes
1/5 Bloating & gasSide effects

“Psyllium gave me the most horrific, awful gas I’ve ever experienced.”

owner comment via r/IBS · 2026-06-19 · 5 upvotes

Safety notes

Check interactions with a pharmacist before starting, and see a doctor about new or severe symptoms.

Example Acacia fiber products

Examples sold on Amazon, not ranked by Reddit. The score above is for the ingredient, not these products.

Example product · not Reddit-scored

Anthony's Organic Acacia Senegal Powder, 1 lb, Batch Tested Gluten Free

$20.19 on Amazon (price as of 2026-11-03). Prices change; check Amazon for the current price.
Example product · not Reddit-scored

Micro Ingredients Organic Acacia Senegal Fiber Powder, 2 lb, Instant Soluble Fiber

$24.99 on Amazon (price as of 2026-11-03). Prices change; check Amazon for the current price.

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