We’ve all done it—woken up hungry, grabbed the quickest thing we could find, and eaten it without thinking twice. When your stomach is empty, anything feels like a good idea. But what you eat first thing in the morning (or after a long gap without food) can have a bigger impact on your body than you might expect.
Some foods, especially the ones we reach for out of convenience, can irritate your stomach, spike your blood sugar, or leave you feeling worse than before. It’s not just about what you eat—it’s about when you eat it.
If you want to start your day feeling energized instead of sluggish, here are 10 foods you should avoid on an empty stomach—and why.
1. Coffee
For many people, coffee is the first thing they reach for in the morning. It feels like a quick way to wake up—but drinking coffee on an empty stomach can be harsh on your system.
Coffee increases acid production in your stomach, which can lead to discomfort, irritation, or even heartburn for some people. It can also cause jitteriness when there’s no food to balance it out.
A simple fix? Eat something light first—like a piece of fruit or toast—before your coffee.