Assertion: l tryptophan | /r/HasProperty | an amino acid
Facets:
Source sentences:
text: Promote Restful Sleep and a Healthy Mood with this Powerful FormulaThese Life Extension supplements utilize the powers of L-Tryptophan, an amino acid used in multiple areas throughout our body.
text: This is important as L-Tryptophan is an amino acid that could change the level of important neurotransmitter in your body.