11.   Creatine, a highly popular legal supplement, is among the products which have been linked to positive findings.

12.   French food safety experts, saying they have linked the popular training supplement creatine to a potential cancer risk, urged sports governing bodies Wednesday to consider banning it.

13.   Her doctor suspects the popular herbal supplement kava.

14.   Northwestern is also investigating reports that Wheeler and some of his teammates may have taken a popular dietary supplement called Ultimate Orange to increase their strength.

15.   The maker of the popular dietary supplement Metabolife is taking the unusual step of attacking a television report on its product before it has even been aired.

16.   The popular nutritional supplement glucosamine sulfate could be the first treatment to slow the progression of osteoarthritis, new research suggests.