M - Herbal remedies for memory and attention
A recent scientific study on the use of a combination of green tea extract and l-Theanine, demonstrated the beneficial effects that such a cocktail had on the improvement of cognition.
In the study, where a double-blind placebo control was used, patients affected by mild cognitive impairment (MCI), among which 13 were men and 32 women, the volunteers performed different neuropsicological tests and their electroencephalography analyzed.
The results showed that an increase on memory and selective attention on those receiving the green tea extract and l-Theanine cocktail, showing the potential use and benefits of green tea extract and l-Theanine for the treatment of cognitive impairment patients.
 Pubmed. A Combination of Green Tea Extract and l-Theanine Improves Memory and Attention in Subjects with Mild Cognitive Impairment: A Double-Blind Placebo-Controlled Study.Park SK, Jung IC, Lee WK, Lee YS, Park HK, Go HJ, Kim K, Lim NK, Hong JT, Ly SY, Rho SS. LG Household and Health Care Co., Ltd., Daejeon, Korea.