Men’s Performance Edge is a botanical-based formula that promotes premier performance and strength.* This formula features LJ100® Tong- Kat Ali (a unique patented, aqueous extract of eurycoma). Eurycoma longifolia, also known as Tongkat Ali or Long Jack‚ has been shown to support sports performance and muscular strength in adult males during intensive strength training programs as well as supporting healthy cortisol levels after endurance exercise.