Medical disclaimer: GutVerdict summarizes what people say about supplements on Reddit. It is not medical advice, and nothing here is meant to diagnose, treat, cure, or prevent any disease. These statements have not been evaluated by the Food and Drug Administration. Talk to your doctor or pharmacist before starting a supplement, especially if you are pregnant, take medicines, or have a medical condition. New, severe or worsening symptoms (such as blood in the stool, weight loss, fever, or night-time symptoms) need a doctor, not a supplement. Full disclaimer.

Supplements for Bloating and Gas: What Reddit Users Report

This ranking reflects what people who struggle with bloating and gas report in Reddit comments: 745 rated owner comments, ranked by a context rating that shrinks small samples toward the average. It is not a recommendation to try any of them. Persistent or severe symptoms need a doctor's assessment.

Gas-X (simethicone, an over-the-counter drug) comes up in 839 comments we scanned; we do not score or rank OTC drugs. See why OTC drugs are context only.

#	Supplement	Context rating	Rated comments here	Positive	Negative	Overall score
1	Saccharomyces boulardii	4.0	26	24	1	4.0
2	Magnesium oxide	4.0	15	15	0	4.0
3	Iberogast (STW 5)	3.9	13	12	0	3.8
4	Lactase enzyme	3.9	4	4	0	3.7
5	DGL licorice	3.9	4	4	0	3.7
6	High-potency multi-strain (VSL#3 / Visbiome)	3.8	8	6	1	3.7
7	Digestive enzymes	3.8	88	70	11	4.3
8	Ginger supplements	3.8	44	35	4	4.1
9	Atrantil	3.8	27	22	3	3.8
10	Acacia fiber	3.8	11	10	1	3.8
11	Butyrate / tributyrin	3.7	16	13	2	3.9
12	B. longum 35624 (Align)	3.7	14	10	2	3.4
13	L. reuteri	3.7	21	16	3	3.5
14	Wheat dextrin (Benefiber)	3.7	7	6	1	3.7
15	Alpha-galactosidase (Beano)	3.6	9	7	1	3.8
16	L-glutamine	3.6	26	19	3	4.0
17	Peppermint oil capsules	3.6	33	25	5	3.8
18	Zinc carnosine	3.6	7	5	1	3.7
19	PHGG (Sunfiber)	3.6	47	37	9	3.9
20	Spore-based probiotics (Bacillus)	3.5	17	13	4	4.2
21	Berberine	3.5	41	29	7	3.6
22	Candibactin-AR / BR	3.5	7	5	2	3.5
23	Akkermansia (Pendulum)	3.5	14	10	3	3.3
24	Magnesium citrate	3.4	43	28	10	4.0
25	Psyllium husk	3.4	84	57	19	4.2
26	Bovine colostrum	3.4	9	5	3	3.6
27	Oregano oil	3.3	35	22	11	3.8
28	Allicin (Allimed / Allimax)	3.2	28	17	10	3.6
29	Seed DS-01	3.2	4	1	2	3.7
30	Activated charcoal	3.2	14	7	6	3.7
31	Magnesium glycinate	3.1	9	4	4	3.7
32	Inulin / FOS	2.8	14	6	8	3.5

Some fibers are high in fructans; see low FODMAP fiber options. Our gut supplement shortlists group top-rated options by what people report. Read tips for starting fiber without bloating first.

In their words

4/5 Bloating & gas
“Goli wasn’t great for me gas wise, I switched to florastore and my life changed and I hardly fart (just stay hydrated)”

owner comment via r/Microbiome · 2025-12-04 · 7 upvotes

4/5 Bloating & gasGentle
“I've used magnesium oxide in the past and worked perfect for me.”

owner comment via r/Constipation · 2026-07-26 · 7 upvotes

4/5 Bloating & gas
“I can not tolerate iberogast but I do take and tolerate Atantril which I highly recommend for IMO, has, bloat and brain fog.”

owner comment via r/SIBO · 2025-11-15 · 3 upvotes

4/5 Bloating & gasCost
“I didn't think I was lactose intolerant but tried lactase tablets after 40 years if IBS-C.”

owner comment via r/IBS · 2026-07-04 · 10 upvotes

Mixed and negative reports

2/5
“Tho this SIBO I had was because of a probitoic (florastor) I tired to take to be healthy but that was a big mistake and backfired on my gut.”

owner comment via r/SIBO · 2025-12-05 · 3 upvotes

2/5 Fast-acting
“Vitc flush gets the bacteria out of the small intestine and mows down candida and any other nasties causing the fermentation of the gut -' i had one relapse so i just did another vit c flush protocol and stayed on atrantril and enzymedica…”

owner comment via r/SIBO · 2026-03-08 · 2 upvotes

Before you try anything

Start one supplement at a time so you can tell what made a difference.
Check interactions with any medicine you take: safety and interactions guide.
Background reading: Low FODMAP and Supplements.