Drinking tea has been associated with many health benefits, including protecting cells from damage and reducing the risk of heart disease (1, 2). Some studies have even found that tea may enhance weight loss and help fight belly fat. Red rooibos tea contains very low levels of tannins. Tannins are naturally occurring compounds present in many plant foods, including black tea, green tea, and redwine. Tannins interfere with the body’s absorption of iron, particularly nonheme iron, which is the form that comes from plant-based foods.