Zembrin® (Sceletium Tortuosum)

Zembrin® is a trademark of HG&H Pharmaceuticals (Pty) Limited. U.S. Patents #6,288,104, #8,552,051 and #8,980,338 B2

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3828542

https://www.ncbi.nlm.nih.gov/pubmed/23441963

https://www.ncbi.nlm.nih.gov/pubmed/23903032

https://www.ncbi.nlm.nih.gov/pubmed/25389443

https://www.ncbi.nlm.nih.gov/pubmed/23441963

Bacopa Monnieri

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3746283

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4945900

https://www.ncbi.nlm.nih.gov/pubmed/26387382

 https://www.ncbi.nlm.nih.gov/pubmed/23936991

 https://www.ncbi.nlm.nih.gov/pubmed/25518293

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3537209

Alpha-GPC

https://www.ncbi.nlm.nih.gov/pubmed/1574535

https://www.ncbi.nlm.nih.gov/pubmed/26582972

https://www.ncbi.nlm.nih.gov/pubmed/28521701 

https://www.ncbi.nlm.nih.gov/pubmed/1319912

https://www.ncbi.nlm.nih.gov/pubmed/22673596

https://www.ncbi.nlm.nih.gov/pubmed/2071257

https://www.ncbi.nlm.nih.gov/pubmed/24156263

https://www.ncbi.nlm.nih.gov/pubmed/2782876

https://www.ncbi.nlm.nih.gov/pubmed/8030842

https://www.ncbi.nlm.nih.gov/pubmed/1916007

https://www.ncbi.nlm.nih.gov/pubmed/12637119

https://www.ncbi.nlm.nih.gov/pubmed/8477148

https://www.ncbi.nlm.nih.gov/pubmed/11589921

Malic Acid

https://pubchem.ncbi.nlm.nih.gov/compound/L-Malic_acid#section=Top

Phosphatidylserine

https://www.ncbi.nlm.nih.gov/pubmed/8323999

https://www.ncbi.nlm.nih.gov/pubmed/3518329

https://www.ncbi.nlm.nih.gov/pubmed/2027477

https://www.ncbi.nlm.nih.gov/pubmed/11842886

https://www.ncbi.nlm.nih.gov/pubmed/18616866

https://www.ncbi.nlm.nih.gov/pubmed/1633433

https://www.ncbi.nlm.nih.gov/pubmed/1693032

https://www.ncbi.nlm.nih.gov/pubmed/23495677

L-Tyrosine

https://www.ncbi.nlm.nih.gov/pubmed/2736402

https://www.ncbi.nlm.nih.gov/pubmed/27403851

https://www.ncbi.nlm.nih.gov/pubmed/26424423

https://www.ncbi.nlm.nih.gov/pubmed/8293316

https://www.ncbi.nlm.nih.gov/pubmed/27403851

https://www.ncbi.nlm.nih.gov/pubmed/26424423

https://www.ncbi.nlm.nih.gov/pubmed/25797188

https://www.ncbi.nlm.nih.gov/pubmed/25598314

https://www.ncbi.nlm.nih.gov/pubmed/25326727

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3035600

Huperzine A

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3781107

https://www.ncbi.nlm.nih.gov/pubmed/24639880

https://www.sciencedirect.com/science/article/pii/S0091305703001114

https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD005592.pub2/abstract 

https://www.ncbi.nlm.nih.gov/pubmed/18425924

https://www.ncbi.nlm.nih.gov/pubmed/19221692

https://www.ncbi.nlm.nih.gov/pubmed/21833673

GABA (Gamma-amino-butyric-acid)

https://www.ncbi.nlm.nih.gov/pubmed/28209926

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4594160

https://www.ncbi.nlm.nih.gov/pubmed/25869158

https://www.ncbi.nlm.nih.gov/pubmed/26279408?dopt=Abstract

Taurine

http://www.lifeextension.com/magazine/2013/6/the-forgotten-longevity-benefits-of-taurine/page-01

https://www.ncbi.nlm.nih.gov/pubmed/3788775

https://www.ncbi.nlm.nih.gov/pubmed/19239132

https://www.ncbi.nlm.nih.gov/pubmed/20804626

https://www.ncbi.nlm.nih.gov/pubmed/20804583

https://www.ncbi.nlm.nih.gov/pubmed/2496406

https://www.ncbi.nlm.nih.gov/pubmed/9577248

https://www.ncbi.nlm.nih.gov/pubmed/9437654

https://www.ncbi.nlm.nih.gov/pubmed/19455480

https://www.ncbi.nlm.nih.gov/pubmed/20667936

https://www.ncbi.nlm.nih.gov/pubmed/27163699

https://www.ncbi.nlm.nih.gov/pubmed/29631391

https://www.ncbi.nlm.nih.gov/pubmed/26208967

https://www.ncbi.nlm.nih.gov/pubmed/26918249

https://www.ncbi.nlm.nih.gov/pubmed/28118062

Camellia Sinesis

https://www.ncbi.nlm.nih.gov/pubmed/27797683

https://www.ncbi.nlm.nih.gov/pubmed/28496007

https://www.ncbi.nlm.nih.gov/pubmed/26577614

https://www.ncbi.nlm.nih.gov/pubmed/15969262

https://www.ncbi.nlm.nih.gov/pubmed/16582024

https://www.ncbi.nlm.nih.gov/pubmed/19147161

https://www.ncbi.nlm.nih.gov/pubmed/27698343

https://www.ncbi.nlm.nih.gov/pubmed/27806972

https://www.ncbi.nlm.nih.gov/pubmed/27845787

https://www.ncbi.nlm.nih.gov/pubmed/16404708

https://www.ncbi.nlm.nih.gov/pubmed/16968850

https://www.ncbi.nlm.nih.gov/pubmed/15083319

https://www.ncbi.nlm.nih.gov/pubmed/22277550

Guarana

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3599679

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4399916

https://www.ncbi.nlm.nih.gov/pubmed/27302304

https://www.ncbi.nlm.nih.gov/pubmed/23220610