Was skeptical, but it was pretty quick I noticed a change cognitively. My drive seems to have gone up-started my own business I've been putting off for forever. The price is a bit rough so I have thought about trying other brands but it's definitely a good product would recommend if you have the ...

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Gave me a noticeable, sustained increase in alertness and energy throughout the day without feeling jittery or over stimulated.

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Great product! I started using it to concentration and it works well. Caffeine Free.

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