Assertion: l tryptophan | /r/HasProperty | available
Facets:
value: by prescription in canada
type: OTHER
value: by consuming protein
type: MANNER
value: as tablets.6
type: OTHER
value: as supplements
type: MANNER
value: as capsules
type: MANNER
value: since 2007
type: TEMPORAL
value: currently
type: TEMPORAL
Source sentences:
text: Currently, under the Dietary Supplement Health and Education Act (DSHEA) of 1994, L-tryptophan is available and marketed as a dietary supplement in the United States.
text: However, L-tryptophan is still available by prescription in Canada.
text: However, L-tryptophan is still available by prescription in Canada.
text: L-tryptophan has only been openly available since 2007.
text: Tryptophan and l-tryptophan are available as supplements, capsules or tablets.6
text: However, L-Tryptophan is not produced in the body and is only available by consuming protein in plants and meat.
text: L-Tryptophan is again available as an over-the-counter supplement.