National Toxicology Program

National Toxicology Program

Testing Status of Silymarin - M990027


CASRN: 65666-07-1

Synonyms/Common Names

  • Apihepar
  • Laragon
  • Silarine

Known Uses

Drug; therapeutic agent; active flavolignan isomer in milk thistle extract; drug/therapeutic agent; dietary supplement

Chemical Properties

Toxicity Effects (HSDB)

Genetic Toxicology

  • Salmonella  (A14441)  Completed 
    •  Positive 
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.