1.   A similar increase in consumer interest in creatine products, among the most popular dietary supplements, accompanied the Super Bowl victory of the Denver Broncos in January.

2.   The Colorado-based company is one of the biggest producers of creatine products and the Broncos were estimated to be the NFL leaders in creatine consumption and endorsements.

3.   Dr. Wilfried Kindermann, chief physician of the German track and field federation, has warned athletes against taking creatine products because they could be tainted.

4.   The company had its products tested independently after reports in Germany that some creatine products are tainted by steroids.

5.   The creatine product was made in the United States and tests showed that it had been tainted with steroids.