Assertion: tryptophan | /r/HasProperty | given in purified form
Facets:
value: orally
type: MANNER
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.