Coffee can affect nutrient absorption and health depending on what foods it is consumed with. Bioactive compounds in coffee, such as caffeine and polyphenols, can interfere with the absorption of minerals like iron, calcium and zinc. Caution is also needed when consuming coffee with highly acidic foods, as the combination can burden the stomach.
The U.S. health media outlet "Health" recently introduced foods to be cautious about when consumed with coffee, based on explanations from Chelsea Rae Bourgeois, a registered dietitian in the United States.
First, citrus fruits are not a good combination with coffee. Coffee and citrus fruits such as oranges and grapefruits are all considered highly acidic foods. Consuming them together can irritate the stomach lining and cause heartburn or bloating. For people with gastroesophageal reflux symptoms, it can worsen discomfort. "Especially the habit of drinking orange juice and coffee together on an empty stomach in the morning can place a significant burden on digestive health," Chelsea said.
The habit of eating red meat with coffee is also best avoided. Red meat is a major source of heme iron, which has a high absorption rate in the body. However, drinking coffee during or right after a meal can interfere with iron absorption. Since iron is an important nutrient for blood production and immune function, repeating this habit could potentially lead to nutritional imbalance.
Fried foods also require caution when consumed with coffee. "Excessive coffee consumption can increase LDL (bad) cholesterol," Chelsea said. "Adding fried foods on top of that further raises the risk of cardiovascular disease."
The combination of salty foods and coffee is also not recommended. Caffeine can affect blood pressure. Sodium is also closely linked to elevated blood pressure. The habit of drinking coffee while eating processed foods or salty side dishes can increase the risk of high blood pressure, so caution is needed.
On the other hand, there are also foods that go well with coffee. "These include nuts, berries and oatmeal," Chelsea said. Nuts such as almonds help replenish healthy fats. Berries provide antioxidants and vitamins. Oatmeal is rich in dietary fiber and can help maintain stable blood sugar levels.
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