Viper Boost caffeine and carbohydrate gels offers you a winning combination of on the go convenience and research proven fuel and focus to support your training session, game or event. Each gel provides 25g of Quadcarb fuel, replenishing nutrients in the form of sodium and stimulating caffeine to support exertion and help you to sustain performance. As an easy to swallow, fluid consistency available in citrus burst flavour to provide a refreshing, fuel fix and that something extra helping you to compete at your best! The Maxifuel Viper Boost gels are the ideal size to carry in your fuel belt or pocket during an event or training. The perfect solution to the practical issues associated with carrying carbohydrate drinks during running or intermittent sports alike. Increase alertness fast with 100mg caffeine in each Viper Boost gel. The perfect mental stimulation to lift your body and mind when your legs feel heavy and you've 'hit the wall'. Wake up, zone in and explode into action!