Work hard, play longer with this 100% natural energiser! GoGo Guaraná contains only the highest quality Guaraná seed from the Amazon rainforest in South America. Guaraná is a shrub that grows in the Amazon rainforest. The seed of its fruit has been used by indigenous tribes for centuries to boost energy levels and combat fatigue, and in addition it can help to improve concentration and focus. This natural source of energy is released slowly for up to eight hours so you don’t experience extremes in your energy levels.