Effects of L – Tyrosine on memory, concentration and multitasking among students

A  study, published  in  the  Cortex  journal  in  the  year  of  2016  has  examined  the  effect  of  L - tyrosine  on  mental  functions  among  166  healthy  students

The Connection Between Tryptophan Levels In The Blood Plasma And Depression

A  research  that  has  been  published  in  the  year  of  2014  examined  the  relation  between  levels  of  tryptophan  in  the  blood  plasma  and  major  depression  disorders. In  order  to  examine  the  relation  between  tryptophan  levels  in  the  plasma  and  depression  disorders, the  researchers  have  reviewed  researches  that  examine  the  relation  between  serotonin  and  depression  and  simultaneously  conducted  an  independent  research. 

Rhodiola Rosea for treating mild to moderate depression – Clinic experiment

A  placebo, double-blinded, randomized, controlled  research, which  has  been  conducted  in  Oslo, Sweden, and  been  published  in  the  year  of  2007, examined  the  efficiency, safety  and  influence  of  the  rhodiola  extract  on  mild  to  moderate  depression. 

Research: Phosphatidylserine improves the function of genes which are involved with degenerative diseases

A  research  conducted  at  Tel  Aviv  University  have  found  that  Phosphatidylserine  improves  the  function  of  genes  which  are  involved  in  degenerative  diseases  such  as  familial  dysautonomia  and  Parkinson's  syndrome.