CaffPlUS combines three clinically studied and trademarked ingredients to provide smooth energy and focus all day long. The energy component of this product features 100 mg of Infinergy (yielding 75 mg caffeine) and 79 mg of PurCaf (yielding 75 mg caffeine) for a total of 150 mg of caffeine. We use this dual-sourced caffeine combination to provide the best of both worlds. PurCaf Organic Caffeine gets into your system quickly providing fast-acting energy while Infinergy provides long lasting, sustained energy due to its extended release properties.