- Improve muscular endurance - Improve performance - Increase energy and focus - Increase vasodilation and blood flow for a big muscular “pump” and improved nutrient delivery Get ready for your best pre-workout ever! The caffeine, DMAE, Tyrosine and Bitter Orange are the perfect blend of ingredients for a mental focus and energy while the Citrulline Malate, L-Leucine, Beta-Alanine and Glycerol will give you the most full-blown muscle pump. Warning: Half scoop for beginners. Full scoop if you’re ready to PR!