https://ntp.niehs.nih.gov/go/8224

L-Tryptophan: Target Organs and Levels of Evidence for TR-071

Bioassay of L-Tryptophan for Possible Carcinogenicity (CASRN 73-22-3)

Chemical (Study Title)
CASRN
Peer Review Date Route/Exposure Levels Study Laboratory
L-Tryptophan
73-22-3
03/07/1978 Dosed-Feed
0,25000,50000 PPM/35 PER GROUP
Southern Research Institute

Levels of Evidence

Male Rats: Negative
Female Rats: Negative
Male Mice: Negative
Female Mice: Negative