Virtue Yerba Mate is a healthy energy drink, with zero sugar & zero calories, made with all natural ingredients. Yerba mate is an antioxidant powerhouse, with essential vitamins & minerals and amino acids. Yerba mate is naturally high in caffeine, one can = one cup of coffee (80mg natural caffeine). A delicious clean alternative to traditional energy drinks. Each can sold donates to the conservation of plants, animals and natural communities in the rainforest. Zero sugar, zero calories, clean energy, nothing artificial