I would say this is a great product I bought for my son, who had given me great feedback, he is more focused, he doesn't feel tired, he is able to finish his tasks, however, I signed for the subscribed, in order to save money, I did save on the first purchased but paying $126.48 for one month bot...

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Really clear

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after doing my research and reading, as much that I could find, I took the plunge… Today is day one

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