The best foods for your stomach depend on what you’re dealing with. If you’re nauseated or have diarrhea right now, bland, low-fiber foods like bananas, white rice, and toast will calm things down fast. If you’re trying to build better digestive health over time, fermented foods, prebiotic-rich vegetables, and bone broth support your gut lining and the bacteria that keep it healthy. Here’s what to eat and why it works.
Best Foods for an Upset Stomach
When your stomach is actively unhappy, the goal is to eat foods that are easy to break down and won’t irritate an already inflamed digestive tract. The classic recommendation is the BRAT diet: bananas, white rice, applesauce, and white toast. These foods are low in fat, low in fiber, and gentle enough to tolerate even during a bout of food poisoning or stomach flu. Sticking with them for a day or two can help firm up loose stools and give your gut a chance to recover.
That said, you don’t need to limit yourself to just those four foods. Brothy soups, oatmeal, boiled potatoes, crackers, and unsweetened dry cereal are equally easy to digest. Once the worst has passed, you can start adding more nutritious options like cooked carrots, butternut squash, skinless chicken, fish, eggs, and avocado. These are still bland and easy on the stomach, but they provide the protein and nutrients your body needs to bounce back.
Why Ginger Actually Works for Nausea
Ginger isn’t just a folk remedy. Its active compounds, called gingerols and shogaols, directly influence how your stomach moves food along. In people prone to motion sickness, ginger has been shown to reduce the abnormal stomach contractions that trigger nausea. It also counteracts delayed stomach emptying, which is the sluggish, heavy feeling you get when food sits in your stomach too long.
Fresh ginger tea, ginger chews, or even a small piece of raw ginger can help when you’re feeling queasy. It’s one of the few natural options with real evidence behind it for nausea relief, whether from travel, morning sickness, or a stomach bug.
Foods That Reduce Acid Reflux
If your stomach trouble is more of a burning sensation or heartburn, the issue is usually stomach acid pushing up into your esophagus. Certain foods can make this worse, but others help keep acid where it belongs.
High-fiber foods tend to be protective. Oatmeal, sweet potatoes, carrots, beets, asparagus, broccoli, and green beans all help by absorbing stomach acid and keeping food moving through your system at a steady pace. Alkaline foods also help neutralize acid: bananas, melons, cauliflower, fennel, and nuts are all good choices. These won’t cure reflux on their own, but building meals around them instead of fried, fatty, or highly acidic foods can make a noticeable difference in how often you get symptoms.
Fermented Foods and Gut Bacteria
Your digestive system relies on trillions of bacteria to break down food, produce vitamins, and protect your gut lining. Fermented foods introduce beneficial microbes that support this ecosystem. Yogurt is one of the most reliable sources, particularly varieties that contain added probiotic strains from the Bifidobacterium or Lactobacillus families. These are the cultures with the strongest evidence for digestive benefits.
Other fermented foods like kimchi, sauerkraut, kombucha, miso, and pickles contain live cultures too, but whether those cultures qualify as true probiotics with proven health effects is less clear. They’re still worth eating for their fiber, vitamins, and variety, but yogurt and kefir remain the most consistent sources of the specific bacteria linked to improved digestion.
Prebiotic Foods That Feed Good Bacteria
Probiotics get the attention, but prebiotics are just as important. These are specific types of fiber that your body can’t digest on its own. Instead, they travel to your colon where beneficial bacteria ferment them as fuel. This fermentation process helps those good bacteria grow and crowd out harmful ones.
The key prebiotic fiber is called inulin, and it occurs naturally in garlic, onions, leeks, asparagus, oats, soybeans, and Jerusalem artichokes. Bananas (especially slightly underripe ones) and cooked-then-cooled potatoes contain resistant starch, another type of fiber that functions the same way. Bifidobacteria, one of the most important groups of gut bacteria in healthy adults, have a particularly strong ability to ferment these fibers. Eating prebiotic-rich foods regularly is one of the most effective ways to shape your gut bacteria in a favorable direction over time.
Bone Broth for Gut Lining Support
Bone broth has earned its reputation as a stomach-soothing food, and the science backs up some of the claims. It’s rich in the amino acids glutamine, glycine, proline, and arginine, all of which play roles in maintaining the integrity of your intestinal lining. Glutamine in particular is the primary fuel source for the cells that line your gut. Glycine helps reduce inflammation in the intestinal barrier.
Research looking at bone broth’s nutritional profile has found that its combination of amino acids and minerals (including calcium, magnesium, potassium, and zinc) supports gut barrier function and may help reduce intestinal permeability, sometimes called “leaky gut.” It’s also easy to digest, making it a solid choice both during acute stomach trouble and as a regular part of your diet. Sipping warm bone broth also helps with hydration and electrolyte replacement after vomiting or diarrhea.
Choosing the Right Fiber for a Sensitive Stomach
Fiber is generally great for digestion, but the type matters enormously if your stomach is sensitive. Short-chain, highly fermentable fibers, like those found in certain beans, lentils, and some wheat products, get broken down quickly by gut bacteria. This rapid fermentation produces gas faster than your body can absorb it, leading to bloating, cramping, and flatulence. For people with irritable bowel syndrome, this type of fiber can make symptoms significantly worse.
A better option for sensitive stomachs is psyllium, a long-chain soluble fiber that ferments slowly and produces much less gas. It has documented benefits for managing IBS symptoms and helps regulate both diarrhea and constipation by absorbing water and adding bulk to stool. You can find psyllium in fiber supplements or in certain cereals. If you’re adding more fiber to your diet, start slowly and increase over a week or two. Your gut bacteria need time to adjust.
Replacing Electrolytes After Digestive Illness
Vomiting and diarrhea drain your body of potassium, sodium, and magnesium. Replacing these electrolytes is just as important as replacing fluids. Coconut water is one of the best natural options because it’s rich in potassium and also provides sodium, magnesium, and phosphorus. Bananas are another potassium powerhouse and double as a gentle food for a recovering stomach.
Other electrolyte-rich foods you can work in as you feel better include leafy greens, fatty fish, nuts, seeds, and even a small amount of dark chocolate. If you’re mostly drinking liquids, adding a squeeze of lemon or lime juice to water with a pinch of salt and a bit of raw honey creates a simple electrolyte drink that covers sodium, potassium, magnesium, and calcium. Bone broth works here too, combining hydration, electrolytes, and gut-healing amino acids in one easy package.