Tenzing use ingredients of natural origin such as vitamin C from botanical acerola which helps contribute to normal energy yielding metabolism. Nice. You've just discovered the new way to energize yourself purely from plants Purely from Plants Green coffee, acai, BCAA from corn, acerola, lemon juice, *green tea, blackberry, beet & fruit sugar, himalayan rock salt *Green Tea from Rainforest Alliance Certified Farms Plant-based sparkling drink with natural caffeine, electrolytes from Himalayan rock salt, BCAA and vitamin C from acerola.