Assertion: tryptophan | /r/CapableOf | affect brain serotonin synthesis
Facets:
Source sentences:
text: Tryptophan affects brain serotonin synthesis when given orally in a purified form and is used to modify serotonin levels for research.
text: Tryptophan affects brain serotonin synthesis when given orally in a purified form and is used to modify serotonin levels for research.