SPIKE has been formulated to enhance mental and physical performance. This effect is accomplished by the combination of 3 vital ingredients: Caffeine, Taurine and Glucuronolactone. Research suggests that these ingredients may have positive effects on human physical performance and mood. SPIKE has been formulated to enhance mental and physical performance. This effect is accomplished by the combination of 3 vital ingredients: Caffeine, Taurine and Glucuronolactone. Research suggests that these ingredients may have positive effects on human physical performance and mood.