While many people drink coffee to boost concentration, it contains twice the caffeine as a serving of black tea. This can actually make it more difficult to focus. The caffeine content of black tea promotes blood flow to the brain while the amino acid L-theanine promotes concentration, so you can stay awake and on task without placing added stress on your circulatory system. It is believed that drinking black tea regularly holds the added benefit of protecting the brain against the onset of Parkinson’s disease.
Abundant in manganese and antioxidants, black tea improves cardiac muscle function and helps prevent the oxidation of LDL cholesterol, which can damage arterial walls, and increase the risk of heart disease. Flavonoids, effective vasodilators, can help improve circulation and reduce instances of clotting. Make no bones about it, black tea holds big benefits for those who drink it religiously; and anything that helps someone stay healthy and tastes great is great in our book.