300 MG OF CAFFEINE: Bang Energy drinks contain enough caffeine to power you through any activity of the day. Stay energized for longer without the dreaded crash. ZERO-SUGAR ENERGY DRINK: NO sugar necessary! Just great-tasting, sustained energy. ULTRA CoQ10 and EAAs (Essential Amino Acids) GLUTEN-FREE AND VEGAN-FRIENDLY: Bang Energy drinks are gluten-free and vegan-friendly, so they are perfect for any lifestyle or diet. ZERO CARBS, ZERO ARTIFICIAL COLORS and ZERO CALORIES.