What is guarana? Guarana is a shrub native to the Brazilian Amazon, used in Europe since the 18th century. BioSavor guarana powder is a plant-based source of protein and caffeine providing energy. Guaranine, derived from guarana, is characterized by its slow absorption, giving the powder a longer and more consistent effect than caffeine. How to use organic guarana powder? We recommend incorporating one to two teaspoons of BioSavor guarana powder into a drink, smoothie, fruit juice, or even in a dessert or dish. Additional information: Average nutritional values per 100 g: Energy: 1426 kJ / 338 kcal. Fat: 2.95 g of which saturated fatty acids 0.49 g. Carbohydrates: 59.06 g of which sugars 0 g. Protein: 12.67 g. Fiber: 12.21 g. Salt: 0.01 g.