Specific Substances: beta-Carotene
Nomination Date: 09/16/1996
Nominator: Private Individual
Rationale: Millions of Americans are exposed to substantial doses of beta-carotene through highly promoted supplemental vitamins and through addition of beta-carotene to cereals and other products. Clinical trials, including one carried out by the nominator, suggest increases in lung cancer and in total mortality in participants receiving beta-carotene alone or beta-carotene plus vitamin A.
NTP Principles: not specified
Status: In Review/Pending