9 Foods You Should Never Eat on an Empty Stomach

4. Sugary Foods and Pastries

Donuts, sweet cereals, jam sandwiches, pastries, and that sweet chai with biscuits many of us grew up on: these are all quick, tasty, and easy. They’re also made mostly of refined carbohydrates and sugar, which your body digests very fast. When there’s no protein, fat, or fiber to slow things down, sugar enters your bloodstream quickly, your blood sugar jumps, and your body responds by releasing a surge of insulin to bring it back down.

For many people, the result is a familiar pattern: a short burst of energy followed by tiredness, poor focus, and a strong craving for something sweet an hour or two later. It’s why you can eat breakfast and still feel hungry by 10 a.m. Over time, starting most mornings this way can make it harder to keep your appetite and energy steady throughout the day.

Watch out for hidden sugar. The American Heart Association recommends no more than about 36 grams of added sugar a day for men and 25 grams for women, and 4 grams equals roughly one teaspoon. Some flavored cereals, sweetened instant oats, and fruit yogurts can use up a big part of that limit before you’ve left the house. Always check the label.

What to do instead: Pair carbohydrates with protein or fiber, and your blood sugar rises more slowly. Good combinations include eggs with whole-grain toast, oats with nuts and seeds, yogurt with fruit, a vegetable omelette, or moong dal chilla. You’ll feel full longer, and you won’t need that mid-morning snack. If you do want something sweet, have it after your main meal, not before.