l tryptophan subgroup of tryptophan, 8 assertions
CapableOf 3
produce increase 0.46
affect cognition 0.32
marketed as dietary sup… 0.25
IsA 1
essential amino acid 0.68
ReceivesAction 4
purchased 0.32
produced by single manu… 0.25
supplied by single larg… 0.25
recalled in 1990 0.16