We heard that a bottle of white wine is equivalent to around 600 calories. If it's true then let today's deal be the yin to your yang... We're offering you 10 day gym passes inc. use of spa, classes & sauna for only £14 - saving you 72% off Derngate Gym's price of £50. If you're feeling as stuffed as the turkey you devoured on Christmas Day then today's deal couldn't come at a better time. Get fit and healthy with ten one-day passes to the modern Derngate Gym. Filled with resistance machines, cardio contraptions and free weights, Derngate Gym has the potential to knock you into shape. Your passes will give you access to the luxury sauna and all fitness classes, including Thai Bo, Pilates and legs, bums and tums. Plus, as a Wowcher Bonus, you'll get 20% off any beauty treatments you book for the same day in the gym's beauty salon.