Taut has launched a new “clean label” isotonic sports drink free of preservatives, synthetic sweeteners and artificial colours and flavours.

Available in four flavours - Blackberry & Cranberry, Grapefruit & Lime, Orange & Mandarin and Banana & Starfruit - the 500ml pouched newcomer is being listed by Waitrose, Boots and Fresh & Wild. Taut MD Vincent Baasch said: “Taut challenges the conventional sports drink wisdom by capitalising on natural science to re-invent a market.”