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Energy & Focus Ingredient References

Our formulations are created with carefully sourced, research-backed ingredients.

Colzato, L. S., de Haan, A. M., & Hommel, B. (2015). Food for creativity: tyrosine promotes deep thinking. Psychological Research, 79(5), 709–714.

Dietz, C., & Dekker, M. (2017). Effect of Green Tea Phytochemicals on Mood and Cognition. Current Pharmaceutical Design, 23(19), 2876–2905.

Fernstrom, J. D., & Fernstrom, M. H. (2007). Tyrosine, phenylalanine, and catecholamine synthesis and function in the brain. The Journal of Nutrition, 137(6 Suppl 1), 1539S-1547S; discussion 1548S.

Giesbrecht, T., Rycroft, J. A., Rowson, M. J., & De Bruin, E. A. (2010). The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness. Nutritional Neuroscience, 13(6), 283–290.

Haskell, C. F., Kennedy, D. O., Wesnes, K. A., Milne, A. L., & Scholey, A. B. (2007). A double-blind, placebo-controlled, multi-dose evaluation of the acute behavioural effects of guaraná in humans. Journal of Psychopharmacology (Oxford, England), 21(1), 65–70.

Jongkees, B. J., Hommel, B., Kühn, S., & Colzato, L. S. (2015). Effect of tyrosine supplementation on clinical and healthy populations under stress or cognitive demands--A review. Journal of Psychiatric Research, 70, 50–57.

Khanum, F., Bawa, A. S., & Singh, B. (2005). Rhodiola rosea: A Versatile Adaptogen. Comprehensive Reviews in Food Science and Food Safety, 4(3), 55–62.

Kühn, S., Düzel, S., Colzato, L., Norman, K., Gallinat, J., Brandmaier, A. M., Lindenberger, U., & Widaman, K. F. (2019). Food for thought: association between dietary tyrosine and cognitive performance in younger and older adults. Psychological Research, 83(6), 1097–1106.

Sun, Q. Q., Xu, S. S., Pan, J. L., Guo, H. M., & Cao, W. Q. (1999). Huperzine-A capsules enhance memory and learning performance in 34 pairs of matched adolescent students. Zhongguo Yao Li Xue Bao = Acta Pharmacologica Sinica, 20(7), 601–603.

Wang, R., Yan, H., & Tang, X. (2006). Progress in studies of huperzine A, a natural cholinesterase inhibitor from Chinese herbal medicine. Acta Pharmacologica Sinica, 27(1), 1–26. https://doi.org/10.1111/j.1745-7254.2006.00255.x

Yuan, G., An, L., Sun, Y., Xu, G., & Du, P. (2018). Improvement of Learning and Memory Induced by Cordyceps Polypeptide Treatment and the Underlying Mechanism. Evidence-Based Complementary and Alternative Medicine : ECAM, 2018, 9419264.