what is purified tryptophan?Advertisement
rated and purified using highly specific filtra-tion and re-crystallization procedures. ... itself back into L-Tryptophan, so there are . many vital functions that 5-HTP cannot per-form. Also, unlike the essential amino acids, - read more
However, only purified tryptophan such as that available in supplements increases brain serotonin; foods containing tryptophan do not, according to a study published in the November 2007 issue of the "Journal of Psychiatry and Neuroscience." - read more
Please vote if the answer you were given helped you or not, thats the best way to improve our algorithm. You can also submit an answer or check other resources.