Caffeine acts on adenosine receptors in the brain. When adenosine binds to these receptors, it promotes muscle relaxation and drowsiness. Caffeine blocks adenosine from binding to these receptors, preventing adenosine from building up and thereby reducing feelings of fatigue and sleepiness.

Department of Experimental Psychology, University of Bristol, UK

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Theacrine is a compound closely related to caffeine, derived from plants that produce caffeine. Although it shares some features with caffeine, it differs in its unique properties. Its stimulating effects come without jitteriness, increased blood pressure, or elevated heart rate—and even without tolerance or dependence. In addition, it works synergistically with caffeine: while caffeine kicks in within 40–60 minutes, theacrine typically starts working after 90–120 minutes. That’s why you can expect MegaMind to deliver a long-lasting boost of energy.

J Int Soc Sports Nutr

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L-theanine increases alpha-wave activity in the brain. The relaxed yet alert mental state associated with alpha waves can support creativity, focus, and attention. L-theanine therefore relaxes the mind without causing drowsiness.

Unilever Food and Health Research Institute, Netherlands

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Rhodiola rosea has traditionally been used for its ability to reduce stress-induced fatigue. The mechanisms behind rhodiola’s adaptogenic and nootropic effects are complex, yet human studies show strong efficacy. Many studies have found that Rhodiola rosea reduces fatigue and supports various aspects of performance—both mental and physical.

Darbinyan, V., Kteyan, A., Panossian, A., Gabrielian, E., Wikman, G., & Wagner

Link to the study

CDP choline is an excellent nootropic and a prime example of how scientific research can impact mental performance. This unique molecule, supported by human studies, improves brain health. It does so by promoting the production of acetylcholine—a neurotransmitter essential for efficient communication between brain cells (neurons)—and by improving the brain’s energy metabolism.

McGlade, E., Agoston, A. M., DiMuzio, J., Kizaki, M., Nakazaki, E., Kamiya, T., & Yurgelun-Todd

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B vitamins are essential for mental performance because they directly contribute to energy utilization in the body, neurotransmitter production (communication molecules between neurons), maintenance of healthy brain cells, and prevention of cognitive decline.

European Food Safety Authority (EFSA), Parma, Italy

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