10 Foods to Avoid Eating on an Empty Stomach

Few would argue against the health benefits of yogurt. It's an excellent source of healthy bacteria, calcium, magnesium, dairy protein, and essential vitamins. However, an empty stomach has higher acid levels. Eating yogurt before anything else in the morning can allow stomach acid to destroy beneficial bacteria, diminishing the nutritional boost this creamy food normally provides. For the best results, try eating yogurt one to two hours after a meal.

Reaching for sweet pastries, donuts, or yeast breads first thing in the morning can irritate your stomach lining and lead to flatulence and discomfort. Not only does the high sugar content spike glucose levels and overload the pancreas, but it can also cause bloating, diarrhea, and stomach pain. In some cases, these gastric issues might also point to a gluten intolerance or trouble digesting wheat.

A typical energy drink packs about 40 grams of sugar alongside artificial sweeteners. Simple sugars interfere with protein production and the growth of beneficial gut microbes, and consuming these drinks on an empty stomach can actually damage your stomach lining. Plus, relying on energy drinks often leads to an exhausting cycle of sharp jolts followed by heavy crashes.

Some people chew a stick of gum to stave off hunger, but studies show it might have the opposite effect.

Chewing triggers the same gastric acid production as a full meal, tricking your body into thinking it has nutrients to digest. With no actual food present, that buildup of stomach acid can cause indigestion, discomfort, and even increase the risk of stomach ulcers.

High-fructose corn syrup and other processed sweeteners can have negative effects on the liver similar to drinking alcohol. Furthermore, research suggests that consuming too much sugar deters the development of beneficial gut microbiota—the healthy bacteria that aid digestion and boost your immunity.

Juicing fruit strips away much of its healthy fiber. Since fiber slows down sugar absorption, drinking a glass of juice instead of eating a whole piece of fruit leads to a rapid spike in blood sugar. These large surges of fructose put stress on the pancreas and can be taxing on the liver, especially on an empty stomach. Instead, enjoy a whole piece of fruit paired with a source of protein, like nut butter.

Drinking wine or other alcoholic beverages before a meal—or whenever your stomach is empty—stimulates the appetite and often leads to higher calorie consumption. People who drink on an empty stomach also frequently report feeling more lightheaded and fatigued.

Bananas are loaded with nutrients like potassium, fiber, and magnesium, but their high natural sugar content can leave you feeling drowsy just a couple of hours after eating them. When eaten on an empty stomach, their acidity can also lead to bloating and bowel discomfort. They can even throw off your balance of calcium and magnesium. To get the most out of a banana's nutritional benefits, pair it with healthy fats or proteins.

While the fiber in raw vegetables is a fantastic addition to your diet, eating them on an empty stomach can sometimes trigger heartburn, flatulence, and abdominal pain. If you experience gastric issues after eating raw veggies, try cooking them first; the heat breaks down the fiber, making them much easier to digest. From a microbiome perspective, our gut bacteria have actually adapted well to cooked vegetables, meaning raw isn't automatically healthier.

Adding a kick to your meals comes with perks—studies show that eating spicy foods regularly can lower the risk of certain chronic diseases. However, eating them on an empty stomach can irritate the gastric mucosa and increase acid production, potentially triggering a range of digestive issues.