Taking regular tea breaks is the perfect way to relax and unwind. Tea is a naturally refreshing drink and taken on its own it has no calories, so it's the perfect drink to keep you looking good and feeling fit. Four cups of tea a day can provide you with significant amounts of the following nutrients: approximately 17% of the recommended intake for calcium, 5% for zinc, 22% for Vitamin B2, 5% for folic acid, and Vitamins B1 and B6. A cup of tea is also a good source of manganese, which is essential for general physical development, and potassium which helps to maintain your body's fluid balance.