I cycle between a few different cognitive enhancement stacks and this is one that I have used off and on for a couple years. Providing smooth and steady support, I can modify my caffeine as needed. Great product!

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I know the bottle instructs you to take 7, but I took one. I was sharper, more focused and my memory was quick. I was remembering the number list quickly. My short term memory was better.

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Love it

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