Oatmeal is a calorie-dense food, and consuming too much of it can contribute to weight gain, especially if portion sizes are not controlled.
Carbohydrates dominate oatmeal. High carbohydrate consumption from oats may cause blood sugar rises and insulin sensitivity.
Oatmeal is a wonderful source of fiber, vitamins, and minerals, but eating too much may lead to nutritional deficiencies.
Consuming large quantities of oatmeal can overwhelm the digestive system, leading to digestive discomfort, bloating, gas, and potentially constipation.
Oatmeal has a low glycemic index, but eating too much of it, particularly without protein and healthy fats, might raise blood sugar levels.
Oatmeal may cause allergic responses in those with oat or gluten allergies.
Dietary fiber in oatmeal may impair drug absorption. Large amounts of oatmeal may interfere with medications.