Sources:
1. 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
Sang-Ki Park, In-Chul Jung, Won Kyung Lee, Young Sun Lee, Hyoung Kook Park, Hyo Jin Go, Kiseong Kim, Nam Kyoo Lim, Jin Tae Hong, Sun Yung Ly, and Seok Seon Rho [Online] 2018. [Cited: March 28, 2011.]
2. Green tea polyphenols inhibit cognitive impairment induced by chronic cerebral hypoperfusion via modulating oxidative stress
Yan XuaJun-jianZhangaLi XiongbLei ZhangbDong SunbHui Liub [Online] 2018. [Cited: August, 2010.]
3. Choline Alphoscerate (Alpha-Glyceryl-Phosphoryl-Choline) An Old Choline- containing Phospholipid with a Still Interesting Profile As Cognition Enhancing Agent Traini, Enea; Bramanti, Vincenzo; Amenta, Francesco [Online] 2018. [Cited: December, 2013.]
4. Effectiveness of St John's Wort in Major Depression
A Randomized Controlled Trial Richard C. Shelton, MD; Martin B. Keller, MD; Alan Gelenberg, MD [Online] 2018. [Cited: April 18, 2001.]
5. Elevation of brain magnesium prevents synaptic loss and reverses cognitive deficits in Alzheimer’s disease mouse model
Wei Li, Jia Yu, Yong Liu, Xiaojie Huang, Nashat Abumaria, Ying Zhu, Xian Huang, Wenxiang Xiong, Chi Ren, Xian-Guo Liu, Dehua Chui and Guosong Liu [Online] 2018. [Cited: September 13, 2014.]
6. Effects of Ginkgo biloba in dementia: systematic review and meta-analysis
Stefan WeinmannEmail author, Stephanie Roll, Christoph Schwarzbach, Christoph Vauth and Stefan N Willich [Online] 2018. [Cited: March 17, 2010.]
7. Effect of tyrosine on cognitive function and blood pressure under stress
J.B Deijen J.F Orlebeke [Online] 2018. [Cited: 1994.]