Sweet potatoes are known as one of the healthiest foods on the table: rich in fiber, antioxidants, vitamins A and C, and supportive of digestion, immunity, and heart health. But according to nutrition experts, even a “superfood” has moments when it can do more harm than good.

Below are two specific times when you should avoid eating sweet potatoes — and the reasons behind it.

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1. When You’re Experiencing Severe Stomach Bloating or Indigestion

Sweet potatoes contain a high amount of fiber and fermentable carbohydrates. For people with:

• bloating

• reflux

• slow digestion

• irritable bowel syndrome (IBS)

…eating sweet potatoes first thing when symptoms flare up can worsen gas, cramping, and abdominal discomfort.
Doctors advise waiting until your digestion feels stable before eating them again.

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2. When You Have Kidney Problems or Are at Risk of High Potassium Levels

Sweet potatoes are naturally rich in potassium.
For most people, this is healthy — but for those with:

• chronic kidney disease

• reduced kidney function

• high potassium levels in blood

…sweet potatoes can push potassium too high, leading to dangerous complications like irregular heartbeat or muscle weakness.

Patients with kidney issues should limit sweet potatoes, especially in large servings.

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Bottom Line

Sweet potatoes are extremely nutritious — but not always harmless.
Eating them at the wrong time can strain digestion or overburden the kidneys.

Experts recommend knowing your body, watching for symptoms, and choosing the right moment to include this healthy food in your diet.