Life Extension, Brain Fog Relief, 30 SoftgelsProduct Description Sharpen your mental focus with brain fog relief. Novel nootropic formula combines polyphenol rich mango leaf extract and standardized peppermint oil for a powerful cognitive boost. When mental focus is thrown off, for whatever reason, you just arent as productive. That morning cup of joe may a temporary energy boost, but running on caffeine comes with an inevitable energy decline, dragging your focus and attention along with it.