Apple cider vinegar is one of the most popular home remedies for bloating. It's also one of the least studied uses of vinegar. Here's what's known, what's assumed, and what's worth trying first.
Written by Vita Globe Editorial Team | Reviewed against NIH guidance and peer-reviewed research
Does apple cider vinegar help with bloating?
We couldn't find any clinical trials showing that apple cider vinegar relieves bloating. The digestive effect vinegar does have in research is slowing how fast the stomach empties[1], which could make some people feel fuller rather than less bloated. Bloating usually comes from swallowed air or gut bacteria fermenting carbs[2], and it's better addressed by finding the trigger.
Caveat: Some people say ACV helps them, but individual experiences haven't been tested in controlled studies.
Sources: Hlebowicz 2007 · NIDDK · Verified 2026-09-27
IN THIS ARTICLE
What actually causes bloating?
According to the NIH's National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), gas and bloating mainly come from two sources[2]:
- Swallowed air, from eating quickly, chewing gum, sucking on hard candy, drinking carbonated drinks or smoking.
- Bacteria in the large intestine breaking down carbohydrates (sugars, starches and fiber) that weren't digested earlier, which produces gas.
NIDDK also lists conditions linked to gas problems, including irritable bowel syndrome, lactose intolerance, fructose intolerance, small intestinal bacterial overgrowth, celiac disease, constipation and gastroparesis[2]. That list is a reminder that frequent bloating isn't always a simple food issue.
What does research say about vinegar and digestion?
The clearest digestive effect of vinegar in human research is on stomach emptying. In a pilot study of people with type 1 diabetes and gastroparesis, adding apple cider vinegar to a meal slowed how quickly the stomach emptied[1]. Slower emptying is one reason vinegar may blunt the blood sugar rise after meals, but it doesn't suggest vinegar reduces bloating, and for people who already feel full or uncomfortable after eating, it could work the other way.
Vinegar studies also report digestive discomfort as a side effect. In one appetite study, participants who drank vinegar felt significantly more nauseated[3]. A systematic review of apple vinegar research focused on outcomes like blood sugar, blood lipids and weight rather than bloating, and it flagged side effects, particularly with undiluted or tablet forms, as a concern[4].
Does apple cider vinegar fix low stomach acid?
A popular theory says bloating comes from too little stomach acid and that vinegar "tops it up." We didn't find clinical trials testing this. Your stomach already produces hydrochloric acid, which is far stronger than vinegar's acetic acid, and "low stomach acid" is a medical diagnosis, not something to self-treat.
If you think you have reflux, indigestion or low acid, see a healthcare provider. Symptoms like heartburn, trouble swallowing or unexplained weight loss need proper evaluation.
Can ACV gummies cause bloating?
The vinegar itself is unlikely to at gummy doses, but the gummy base can. Many sugar-free gummies are sweetened with sugar alcohols (polyols). A systematic review found polyols can cause gas, bloating and loose stools, especially in larger amounts and in people with IBS[5]. If you notice bloating after starting a sugar-free gummy, check the sweetener on the label.
We explain the trade-offs in Sugar-Free vs. Regular ACV Gummies and ACV Gummies Side Effects.
What tends to help bloating instead?
Based on the causes NIDDK describes[2], practical first steps include:
- Eating more slowly and cutting back on gum, hard candy and fizzy drinks to reduce swallowed air.
- Keeping a simple food diary to spot triggers, such as dairy if you might be lactose intolerant.
- Increasing fiber gradually rather than all at once.
- Talking to your doctor if bloating is frequent, painful or comes with changes in bowel habits or weight loss.
Our article 5 Easy Ways to Improve Digestion Today has more everyday ideas.
The honest summary
- No clinical trials show apple cider vinegar relieves bloating.
- Vinegar slows stomach emptying, which may not help if you already feel full.
- The "low stomach acid" theory for ACV hasn't been tested.
- Sugar alcohols in some sugar-free gummies can cause bloating themselves.
- Persistent bloating deserves a conversation with your doctor.
Our option
Vita Globe Apple Cider Vinegar Gummies 500mg, 60ct
If you enjoy apple cider vinegar as part of your daily routine, this is a gentle way to take it: one crisp apple gummy a day, preferably with a meal, with 500mg of apple cider vinegar with "The Mother." Vegan, non-GMO and gluten-free. It's not a bloating remedy, and if bloating persists, see your doctor.
Frequently asked questions
How fast does apple cider vinegar work for bloating?
There's no evidence it works for bloating, so there's no reliable timeline. If bloating is frequent, look for triggers and talk to your doctor[2].
Is apple cider vinegar good for gut health?
We didn't find human trials showing that it improves gut health. If you're interested in gut support, our guide to probiotic gummies covers ingredients with more research.
Can apple cider vinegar make bloating worse?
It can for some people. Vinegar slows stomach emptying[1], and liquid vinegar can cause nausea[3]. Sugar alcohols in some gummies can also cause gas[5].
Does ACV help with constipation?
We didn't find clinical evidence that it does. Fiber, fluids and activity are better-supported first steps.
When should I see a doctor about bloating?
If it bothers you, changes suddenly, or comes with abdominal pain, constipation, diarrhea or weight loss[2].
Sources
- Hlebowicz J, Darwiche G, Björgell O, Almér LO. Effect of apple cider vinegar on delayed gastric emptying in patients with type 1 diabetes mellitus: a pilot study. BMC Gastroenterol. 2007;7:46. doi:10.1186/1471-230X-7-46
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). Symptoms & Causes of Gas in the Digestive Tract. niddk.nih.gov
- Darzi J, Frost GS, Montaser R, Yap J, Robertson MD. Influence of the tolerability of vinegar as an oral source of short-chain fatty acids on appetite control and food intake. Int J Obes. 2014;38(5):675-681. doi:10.1038/ijo.2013.157
- Launholt TL, Kristiansen CB, Hjorth P. Safety and side effects of apple vinegar intake and its effect on metabolic parameters and body weight: a systematic review. Eur J Nutr. 2020;59(6):2273-2289. doi:10.1007/s00394-020-02214-3
- Lenhart A, Chey WD. A systematic review of the effects of polyols on gastrointestinal health and irritable bowel syndrome. Adv Nutr. 2017;8(4):587-596. doi:10.3945/an.117.015560
About the Vita Globe Editorial Team
The Vita Globe Editorial Team researches and writes our wellness content, working from peer-reviewed research, systematic reviews and guidance from bodies such as the NIH and the FDA. We cite our sources inline and update articles when the evidence changes.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. This article is for informational purposes only and is not a substitute for medical advice. Talk to your healthcare provider before starting any new supplement, particularly if you are pregnant, nursing, taking medication, or caring for a child.
