Winter squash are gourds you can eat. As valuable sources of complex carbohydrates, they provide valuable amounts of fiber and micronutrients, including iron, B-vitamins and potassium. Most people get enough potassium from a healthy diet. If you're following a low-potassium diet, however, winter squash might cause problems. To learn more about your specific potassium needs and whether winter squash suits your diet, seek guidance from a qualified professional.
Potassium Content
One cup of cooked winter squash provides 896 mg of potassium, which fulfills close to 50 percent of the standard recommended intake for adults, including pregnant and nursing women. Children require between 1,000 and 1,600 mg of potassium until they reach age 10. After that, children's recommended intake is the same as that of adults.
Potassium Benefits
Potassium is an essential mineral for proper cell, tissue and organ function. As an electrolyte -- which is a nutrient that conducts electricity in your body -- potassium is also vital to heart function and allows for normal muscle contraction. Potassium's most important medical use involves treating hypokalemia, or low potassium levels, which causes weakness, muscle cramping, a lack of energy, stomach problems and abnormal heart rhythms. Because potassium-rich diets are linked with bone health, fluid balance and stable blood pressure, your doctor might suggest eating more potassium-rich foods, such as winter squash, if you have low bone density or high blood pressure, also known as hypertension.
Risks
Healthy kidneys help keep your blood clean and chemically balanced. If your kidneys function poorly, they might not be able to flush excess potassium from your body. For this reason, a low-potassium diet is often required of kidney disease patients, according to the National Kidney Foundation, or NKF. Excessive potassium levels in your blood can cause weakness, numbness and, in severe cases, an abnormal heartbeat or heart attack.
Suggestions
If your doctor has suggested a low-potassium diet, the NKF recommends eating all foods in moderate amounts, because most foods contain some amount of potassium, and limiting foods containing more than 200 mg of potassium per serving. Low-sodium starch and vegetable alternatives to winter squash include yellow squash, zucchini squash, rice and noodles. If your kidneys function normally, incorporate winter squash into a nutritious, balanced diet. Choose squash deepest in color for maximum beta-carotene, a potent antioxidant. To maintain healthy blood pressure and cholesterol levels, prepare squash with low-sodium and low-fat seasonings, such as herbs and spices, and top it with olive oil instead of butter or margarine.
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