Great Digestive Benefits: Is Rice Vinegar Good for Stomach?

Y’all may have heard about rice vinegar as a health remedy, but does it really help your tummy? I wanted to get to the bottom of whether this tangy rice-based vinegar can actually improve digestion and ease stomach troubles.

As someone prone to indigestion after eating, I was intrigued to learn rice vinegar has been used for centuries in Asia to help the stomach. The active ingredient, acetic acid, seems to have properties that enhance digestion. With tummy issues being so common these days from poor diets to too much stress, a natural remedy like rice vinegar sounds pretty darn appealing!

In this article, I’ll explore the research on how rice vinegar affects the stomach and digestion. I’ll also provide tips on using it safely if you struggle with digestion like me. Read on to get the inside scoop and decide if rice vinegar deserves a permanent spot in your kitchen!


Is rice vinegar good for stomach health?

Incorporating rice vinegar into your diet may have positive effects on stomach health (1). Its natural acidity and potential probiotic properties can aid digestion and promote a healthy gut environment.

Understanding the Potential Health Benefits of Rice Vinegar for Stomach Health

YouTube video
Source: Joshua Kellog

Rice vinegar, made from fermented rice, has been used for centuries in Asian cuisine and natural medicine. More recently, it has gained attention in the West for its potential health benefits, including for digestive health.

The main active component of rice vinegar is acetic acid, which gives it its sour taste. Acetic acid may help improve stomach function in several ways. For one, it appears to increase stomach acid production, which helps digest food properly. One study in rats found acetic acid increased levels of gastrin, a hormone that stimulates stomach acid secretion.

Acetic acid can also delay stomach emptying after meals, which may aid digestion by keeping food in the stomach longer. In a study in 10 healthy people, vinegar slowed the rate at which the stomach emptied after a meal by over 50%.

The acetic acid in vinegar may also help digestive issues like indigestion and acid reflux by reducing stomach pH and the growth of “bad” bacteria. Overall, preliminary evidence suggests rice vinegar may support better digestion and stomach health.

Exploring the Role of Rice Vinegar as a Digestive Aid

Is Rice Vinegar Good for Stomach

Rice vinegar has been used as a digestive aid in traditional Chinese medicine and Ayurveda for centuries. Today, many integrative health practitioners still recommend it to improve digestion and treat stomach issues like indigestion, gas, bloating, and acid reflux.

One way rice vinegar acts as a digestive aid is by providing probiotics. Unpasteurized rice vinegar contains probiotics from the fermentation process, mainly yeasts and acetic acid bacteria. These “good” microbes help maintain the natural balance of gut flora. A healthy gut microbiome promotes better digestion.

Rice vinegar also seems to stimulate digestive enzymes needed to properly break down foods. In one study in diabetic rats, rice vinegar increased levels of the enzyme amylase, which digests carbohydrates. More human research is still needed, but this suggests rice vinegar may support proper enzyme function.

Additionally, the acetic acid in rice vinegar may inhibit the growth of harmful gut bacteria that can impair digestion and cause stomach issues. A test tube study showed acetic acid strongly reduced counts of certain pathogenic bacteria. Through these mechanisms, rice vinegar shows promise as a digestive tonic.

Assessing the Safety Concerns of Using Rice Vinegar for Gastritis

Gastritis refers to irritation and inflammation of the stomach lining. Can using rice vinegar help treat this uncomfortable condition? Maybe, but there are some safety factors to consider.

On the plus side, the acetic acid in rice vinegar demonstrates antibacterial effects against H. pylori, a bacteria that can cause gastritis and stomach ulcers. The acetic acid may help reduce H. pylori overgrowth and infection risk.

However, gastritis can also be caused or aggravated by too much stomach acid. Pure vinegar is highly acidic with a pH around 2-3. For some people, this may further irritate the stomach lining already inflamed by gastritis.

Diluting vinegar by using small amounts mixed into food or drinks reduces acidity. But anyone with gastritis should still use vinegar cautiously and avoid it if it seems to increase discomfort. Overall, while vinegar shows some potential against H. pylori, its safety is questionable for those with gastritis due to its high acidity. Those with gastritis are better off discussing vinegar use with their doctor.

Rice Vinegar vs. Brown Rice Vinegar: Which is Better for Your Stomach?

Both regular and brown rice vinegar are made from fermented rice. But brown rice vinegar comes specifically from brown rice and retains more nutrients like B vitamins, minerals, and amino acids. Does this make brown rice vinegar better for digestive health?

Potentially. The extra nutrients in brown rice vinegar provide additional benefits. B vitamins help metabolize nutrients for energy production, while amino acids are needed to make digestive enzymes and proteins.

Some even claim brown rice vinegar has more antimicrobial properties against harmful gut bacteria. However, this hasn’t been confirmed in studies. In fact, one test tube study found white rice vinegar was more effective than brown against certain strains.

Both types of rice vinegar contain probiotics from fermentation and can increase stomach acid production. But brown rice vinegar may edge out regular vinegar slightly thanks to its additional nutrient content. Those with digestive issues can try both to see if one seems more beneficial.

Potential Risks and Side Effects of Using Rice Vinegar for Digestive Health

For most people, diluted rice vinegar is safe to consume with minimal risk. But there are some potential side effects to keep in mind:

  • Aggravating gastritis or reflux (2): Rice vinegar is very acidic. In some cases, this can worsen gastritis or acid reflux. It’s best to avoid use if Rice vinegar increases stomach discomfort.
  • Interactions with medications: The acetic acid in rice vinegar may interact with certain prescription medications like diuretics and laxatives. Anyone on medications should consult their physician before using rice vinegar as a digestive aid.
  • Tooth enamel erosion: Like other acids, undiluted rice vinegar may wear away tooth enamel over time. Drink it diluted or use a straw to minimize contact with teeth.
  • Potassium depletion: There are concerns the acetic acid in vinegar could lead to lower potassium levels. Those with kidney disease or on potassium-lowering drugs may want to limit intake and have levels checked.
  • Throat/esophageal damage: Consuming very high amounts of undiluted vinegar poses a risk for throat and esophageal irritation and damage. Stick to smaller dilutions to be safe.

Overall, rice vinegar is likely safe for most in moderation, but those with digestive conditions or on medication should exercise more caution and discuss use with a doctor.

Incorporating Rice Vinegar into Your Diet for Improved Stomach Function

Here are some simple ways to add rice vinegar to your diet to take advantage of its digestive benefits:

  • Make a morning tonic. Add 1-2 teaspoons into a glass of warm water and drink first thing. Can boost digestion all day.
  • Use as a salad dressing base. Whisk with oil, herbs, and spices for a tangy dressing. The acetic acid helps break down veggies for better nutrient absorption.
  • Add to soups and broths. The acids help extract minerals and nutrients from ingredients into the broth.
  • Make a vegetable stir fry or roasted veggies with a splash of rice vinegar. Vinegar helps break down vegetables’ fibrous cell walls, improving digestion.
  • Use in place of other acids like lemon or lime juice to flavor dishes. Goes great in marinades, dressings, and sauces.
  • Drink diluted before heavy meals. Can aid digestion of rich or heavy foods.

Be sure to start with small amounts like 1 teaspoon at a time and dilute into water or foods. Too much undiluted vinegar may irritate those with sensitive stomachs.

Rice Vinegar: A Natural Remedy for Digestive Issues

For ages, rice vinegar has been valued as a natural folk remedy for all kinds of digestive troubles. It contains beneficial compounds that may help:

  • Treat indigestion and heartburn. Acetic acid improves the digestion of carbs and absorption of minerals from foods.
  • Relieve bloating and gas. Probiotics balance gut flora, while acetic acid prevents gut bacteria overgrowth that produces gas.
  • Reduce diarrhea. Acetic acid acts as a mild antibiotic against pathogens that cause diarrhea.
  • Alleviate nausea. Rice vinegar may help calm an upset stomach when sipped slowly in water or tea.
  • Provide relief from stomach bugs. Antimicrobial properties combat bacteria and viruses that can cause stomach flu.
  • Improve low stomach acid. Vinegar signals the body to increase stomach acid production critical for breaking down food.
  • Manage IBS symptoms. Rice vinegar improves overall digestive function and gut health, helping manage IBS.

Thanks to generations of traditional use and emerging scientific evidence, rice vinegar continues to be a go-to natural remedy for all kinds of digestive woes. It’s simple, affordable and widely available – worth keeping on hand!

Rice Vinegar’s Impact on Blood Sugar Regulation and Stomach Health

Rice vinegar is considered a low glycemic food, meaning it only causes a small rise in blood sugar after eating. In fact, vinegar may actually improve insulin sensitivity and blood sugar regulation – which could benefit digestive health.

Here’s how it works: acetic acid delays stomach emptying and slows digestion of carbs in a meal. This results in a slower, more gradual absorption of glucose into the bloodstream instead of rapid spikes. Vinegar taken before carby meals may also reduce the glycemic index of foods, further controlling blood sugar spikes.

In a small study, taking 2 tablespoons of apple cider vinegar (which also contains acetic acid) reduced post-meal blood sugar spikes in healthy adults by 20%. Improved blood sugar control takes stress off the digestive system and can reduce stomach issues like indigestion, reflux, and ulcers.

So adding rice vinegar to meals, especially carb-heavy ones, may support steady blood sugar levels after eating to promote better digestion. Those with diabetes struggling with blood sugar management may also find rice vinegar helps smooth out glucose ups and downs.

Rice Vinegar for Gastritis: Fact or Fiction?

Gastritis is an irritation of the stomach lining that causes pain, nausea, and other unpleasant symptoms. Can using rice vinegar really help treat this uncomfortable condition? Here’s what the science says:

Fact: Rice vinegar has antimicrobial properties that may combat H. pylori, a bacteria that can cause gastritis. The acetic acid may help reduce overgrowth of H. pylori in the gut.

Fiction: Rice vinegar will not treat all causes of gastritis. Gastritis can also be caused by excessive alcohol use or certain medications. Rice vinegar would not help these cases.

Fact: Rice vinegar may help relieve dyspepsia, a type of indigestion sometimes associated with gastritis. The acetic acid can improve digestion.

Fiction: Rice vinegar should NOT be used by those with gastritis due to high stomach acid. The high acidity may further aggravate the inflamed stomach lining.

The verdict? While rice vinegar shows some antimicrobial activity against certain gastric pathogens, its safety is questionable for those currently dealing with gastritis due to its high acidity. Anyone with gastritis should exercise caution with vinegar and see a doctor.

Enhancing Stomach Health with Rice Vinegar: Tips and Guidelines

Here are some tips for safely using rice vinegar to maximize digestive benefits:

  • Start with very small amounts like 1 teaspoon diluted in water or food and gradually increase to assess tolerance. Too much acidity may aggravate those with sensitive stomachs.
  • Always dilute in water or other ingredients – don’t drink straight vinegar shots. The high acidity can damage tooth enamel and tissues.
  • Take before meals. Sipping some diluted in water 15-30 minutes before eating allows the acetic acid time to work. Can improve digestion of the coming meal.
  • Avoid use if you have gastritis, stomach ulcers, or GERD. The high acidity may exacerbate these conditions.
  • Monitor use if on diuretics or medications that deplete potassium. The acetic acid may lower potassium over time if consuming vinegar frequently.
  • Use raw, unpasteurized rice vinegar. It contains probiotics and enzymes created during fermentation that aid digestion. Pasteurized vinegars lack these.
  • Start slow and pay attention to effects on your individual digestive health. Increase use carefully if it seems to help and discontinue if it causes any stomach discomfort.


Preliminary research and traditional use indicate rice vinegar may be beneficial for improving digestion and stomach health. Its acetic acid content appears to boost stomach acid production, control “bad” bacteria, and help regulate blood sugar. However, those with certain stomach conditions need to exercise more caution with vinegar.

Overall, incorporating small amounts of rice vinegar may aid digestive health for many people. But its effects can vary on an individual basis. Those with persistent stomach troubles may want to experiment carefully under the supervision of their healthcare practitioner.

Frequently Asked Questions

Does rice vinegar have probiotics?

Unpasteurized rice vinegar contains probiotics from the natural fermentation process. However, many commercial rice vinegar brands sold today are pasteurized, which kills the beneficial probiotics. Check the label and look for “unpasteurized” or “raw” to ensure probiotic content. You can also make homemade unpasteurized rice vinegar.

Is rice vinegar OK for acid reflux?

Probably not. Rice vinegar is highly acidic, with a pH around 2-3. This acidic environment may further aggravate the esophageal irritation caused by acid reflux. Unless recommended by a doctor, it’s best those with reflux avoid vinegar as it may worsen symptoms.

What can rice vinegar be used for?

Rice vinegar is versatile ingredient for cooking, just like salad dressing and more. Its tangy flavor brightens up stir fries, roasted veggies, sushi rice, dashi broth, chutneys, and marinades. The mild acidity also makes it great for pickling fruits and veggies. Rice vinegar can even be used as a natural household cleaner due to its antimicrobial properties.

Is rice vinegar better than apple cider vinegar?

There is no definitive evidence that rice vinegar is “better” than apple cider vinegar, or vice versa. They both contain acetic acid and aid digestion in similar ways. Potential benefits really depend on the individual. Those sensitive to apples or looking to avoid fructose may tolerate rice vinegar better. But some prefer the apple flavor profile. Try each to see which you respond to best.



Related Articles

Was this helpful?

Thanks for your feedback!