Aristolochic

Also on the list as a known carcinogen is a botanical agent called aristolochic acids, shown to cause high rates of bladder or upper urinary tract cancer in people with kidney or renal disease. ❋ Unknown (2011)

There's also another alternative out there as well, known as aristolochic acid. ❋ Unknown (2004)

Their leaves are chemically protected from insects and other animals, laced with a toxic alkaloid compound called aristolochic acid. ❋ [email protected] (Joe Eaton (2010)

Her health was ruined after taking the pills, which were advertised as safe and natural but in fact contained a banned and harmful substance called aristolochic acid. ❋ Unknown (2010)

TUESDAY, Dec. 22 (HealthDay News) -- New research links a carcinogen known as aristolochic acid, which is found in some Chinese herbal products, including guan mu-tong, to a higher risk of urinary tract cancer. ❋ Unknown (2009)

The list also adds a plant substance in some "natural" arthritis remedies, aristolochic acid. ❋ Unknown (2011)

A warning issued a decade ago by the U.S. Food and Drug Administration advised consumers to discontinue using botanical products containing aristolochic acids. ❋ Unknown (2011)