Elite fuel for rapid mental & physical energy. The stimulant version of Viper to ensure your training reaches new levels of intensity. bull L Tyrosine caffeine & guarana in each bar bull Recommended Use bull Take no more than two Maximuscle Viper Extreme Bars per day. Within 30 minutes of taking this great bar many people feel more awake vibrant & ready to tackle the most intense training sessions long work days & more. Never before has such an impressive combination been put in