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Guarana Extract

In addition to caffeine itself, the Guarana Extract provides a further energy boost even better than that of coffee. A popular energy supplement, Guarana Extract offers one of the highest concentrations of caffeine among any plant. In fact, it can contain up to 3.6 to 5.8% caffeine by weight whereas coffee has only up to 2%. A study of the effectiveness of multi-ingredient weight loss supplement mixtures revealed that Guarana Extract may improve exercise-related fat loss benefits².