Buy One Get One Free on Tropical 4 pack Powerade (All other flavours are available offline as well). Bargain price of £2.84 for 8 in this deal, which works out at 35.5p each, much better than paying £1 for them from a vending machine. Hurry though as I'm in training for the GNR & need to stock up on them ! Awesome deal, available on and offline.
Still Berry and Tropical Fruits Flavour Isotonic Sports Drink with added Vitamins with Sugars and Sweeteners.