Forever FAB Gives immediate and long lasting energy. The immediate boost comes from guarana, a natural ingredient popular in Brazil, while the long-term energy is powered by ADX7 technology. ADX7 is a proprietary blend of adaptogenic herbs and other nutritionals developed by Russian sports scientist and researcher. FAB is a quick, refreshing way to stay energized and alert, giving you endurance and concentration all day long. 1. Energy drink with no caffeine. 2. Combination of electrolysis, Vitamins and adaptogen herbs gives the confidence to trust the mineral.