With selenium* Selenium contributes to the protection of cells from oxidation stress. Enjoy at least one mug a day as part of a varied and balanced diet and a healthy lifestyle. Tetley detox with mint and added selenium supports your day with a naturally refreshing and delicious brew. Selenium is an important mineral and helps to protect your cells from oxidative stress. Tetley super teas - beautiful blends that taste good and help you feel good too Tetley super teas offer you a range of tasty blends that contains herbal, fruit and green teas combined with carefully chosen minerals and vitamins to support your wellbeing. Tetley's team of master blenders use the finest quality ingredients to deliver the deliciously uplifting and refreshing cuppa you deserve.