Vega Pre-Workout - Mango Passionfruit is the cleanest high intensity workout fuel: 200mg naturally sourced caffeine from coffee bean extract, zero sugar and no artificial flavors or sweeteners. Train harder and for longer: Citrulline Malate to pump blood flow and L- theanine to keep you focused during the peak of your workout. Hit your next goal faster by increasing muscle endurance: Beta Alanine regulates acid in the muscle, reducing fatigue and boosting your training volume by giving you that performance buzz.