What kinds of foods should I eat to bring up my potassium level?

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I had blood work done recently before having surgery.  I was told that my potassium level is low.  What kinds of foods should I eat to bring up my level, without raising my blood sugar level?  I have type 2 diabetes.

Q: I had blood work done recently before having surgery.  I was told that my potassium level is low.  What kinds of foods should I eat to bring up my level, without raising my blood sugar level?  I have type 2 diabetes.

Potassium levels must be maintained within a very narrow range. Too little potassium or too much potassium can both cause problems.

Many people think of bananas, potatoes, and other high-sugar and high-carb foods as being the best sources of potassium. However, there are several low-carb foods that are rich in this mineral. Choosing from this list can help you boost your potassium level without increasing your blood sugar:


  • Avocado

  • Nuts, especially almonds and pistachios

  • Cooked leafy greens, such as spinach and kale

  • Fish, especially flounder, halibut, salmon, trout, and sardines

  • Shellfish, especially scallops

  • Plain Greek yogurt

  • Cooked mushrooms

Answered By dLife Expert: Franziska Spritzler, RD, CDE

Certified diabetes educator and registered dietitian living in Southern California.

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