great product, helps me keep focused and alert, even in 10 plus hour shifts I end the day with very little mental fatigue. Just drink plenty of water

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I've been taking this on and off for a couple years, and I can say that I consistently notice improvements in mood, clarity of mind, and possibly even my capacity for compassion and other aspects of emotional intelligence. I highly recommend it if you can afford it.

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Excellent product. I was glad to find the caffeine-free version as I have been trying to tease out the nootropic effects from the possible stimulant effects. I have noticed a slight difference in an early energy bump, but the longer effect of increased mental clarity did not diminish. I am convin...

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