Doctors Reveal What Really Happens When You Eat Bananas — The Truth Diabetics Need to Know

Bananas are well known for being high in potassium, which is usually a good thing. Potassium helps regulate fluid balance, supports muscle function, and keeps the heart rhythm steady.

However, too much potassium can be harmful—especially for diabetics who also suffer from kidney disease. When kidneys are damaged, they struggle to filter out excess potassium. This can lead to hyperkalemia, a dangerous condition that causes:

• Muscle weakness
• Irregular heartbeat
• In severe cases, even heart failure

This doesn’t mean potassium is bad—it’s vital. But it does mean that those with both diabetes and kidney concerns should monitor their banana intake carefully.

4. Digestive Discomfort

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