Assertion: tryptophan | /r/HasProperty | the most fundamental precursor
Facets:
value: for melatonin
type: TRANSITIVE-OBJECT
value: for both serotonin
type: OTHER
Source sentences:
text: Since tryptophan is the most fundamental precursor for both serotonin and melatonin, this line of evidence suggests that the amino acid shouldn't be raised (with advancing age) to minimize the fostering of tryptophan side effects from serotonin-melatonin-cortisol ramifications.