Precautions for eating blueberries

The contraindications for eating blueberries mainly include the following points: 1. Avoid excessive consumption: Eating too many blueberries can increase the burden on the gastrointestinal system and may cause indigestion symptoms such as abdominal pain and bloating. It is recommended to limit intake to 10–20 berries per serving. 2. Caution for specific populations: - Diabetic patients: Blueberries contain significant amounts of sugar, which may lead to abnormal blood glucose fluctuations and hinder glycemic control. - Patients with kidney disease: The oxalate in blueberries may increase the risk of developing kidney stones. - Individuals with abdominal pain or diarrhea: The dietary fiber in blueberries may worsen these symptoms. - People with sensitive teeth: The acidity of blueberries may irritate teeth, causing sourness, gum swelling, or pain. 3. Food combinations: Blueberries should not be consumed with milk, dairy products, high-calcium foods, or cold-natured ingredients, as this may lead to indigestion, interfere with calcium absorption, or exacerbate internal coldness.