9 sources
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[1] Grogan J, Bogacz R, Tsivos D, Whone A, Coulthard E. Dopamine and Consolidation of Episodic Memory: Timing is Everything. J Cogn Neurosci. 2015 Oct;27(10):2035-50. doi: 10.1162/jocn_a_00840. Epub 2015 Jun 23. PMID: 26102227; PMCID: PMC4880040
[2] Leeuwis AE, Smith LA, Melbourne A, Hughes AD, Richards M, Prins ND, Sokolska M, Atkinson D, Tillin T, Jäger HR, Chaturvedi N, van der Flier WM, Barkhof F. Cerebral Blood Flow and Cognitive Functioning in a Community-Based, Multi-Ethnic Cohort: The SABRE Study. Front Aging Neurosci. 2018 Sep 18;10:279. doi: 10.3389/fnagi.2018.00279. PMID: 30279656; PMCID: PMC6154257
[3] Islam R, Matsuzaki K, Sumiyoshi E, Hossain ME, Hashimoto M, Katakura M, Sugimoto N, Shido O. Theobromine Improves Working Memory by Activating the CaMKII/CREB/BDNF Pathway in Rats. Nutrients. 2019 Apr 20;11(4):888. doi: 10.3390/nu11040888. PMID: 31010016; PMCID: PMC6520707
[4] Madeira C, Vargas-Lopes C, Brandão CO, Reis T, Laks J, Panizzutti R and Ferreira ST (2018) Elevated Glutamate and Glutamine Levels in the Cerebrospinal Fluid of Patients With Probable Alzheimer's Disease and Depression. Front. Psychiatry 9:561. doi: 10.3389/fpsyt.2018.00561
[5] Chen N, Yang M, Zhou M, Xiao J, Guo J, He L. L-carnitine for cognitive enhancement in people without cognitive impairment. Cochrane Database Syst Rev. 2017 Mar 26;3(3):CD009374. doi: 10.1002/14651858.CD009374.pub3. PMID: 28349514; PMCID: PMC6464592
[6] Limitless NZT-48 +Restoramones - Drink Mix and Capsules for Brain Boosting and Hormone Optimization https://webnutrients.com/products/limitless-nzt-48-hormones-custom-nootropic-stack
[7] Theanine https://www.webmd.com/vitamins/ai/ingredientmono-1053/theanine
[8] Rhodiola https://www.webmd.com/vitamins/ai/ingredientmono-883/rhodiola
[9] L-Arginine https://www.webmd.com/vitamins/ai/ingredientmono-875/l-arginine







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