'Precious ' brew has been created by Japanese liquor company Suntory . The new drink is called the 'Precious Tea' and it contains a blend of three different types of tea - green tea, black tea and oolong tea. Collagen is a protein found in skin that provides structure and firmness . Experts are divided over how effective it is when drunk or eaten with food .
'Precious ' brew has been created by Japanese liquor company Suntory . It boasts a five per cent alcohol content level and 2g of collagen per can . Collagen is a protein found in skin that provides structure and firmness . Experts are divided over how effective it is when drunk or eaten with food .