Tenzing use ingredients of natural origin such as vitamin c from botanical acerola which helps contribute to normal energy yielding metabolism. Our powerful ingredients from nature: Caffeine 106 mg⭑ from green coffee Vitamin c 16mg* from acerola & fruit juice Electrolytes 165mg* from Himalayan rock salt L-Theanine From Green Tea 19kcal/100ml From Beet & Fruit Sugar 100% Plant-based All the Energy. Without the Crash *Per 330ml can