The National Center for Drug Free Sport has a Resource Exchange Center--you can login and ask if specific OTC's, supplements, or other products are banned by the UIL..
Choose Texas State High Schools for the organization and the password in texashs.
They will email you back with the information.
This is an organization that tests supplements for banned substances. Even though labels may not identify a banned substance, they may be found as a result of cross-contamination or other causes.
The Informed Choice organization also notes that the results apply only to the batch tested, not all batches of the product. www.informed-choice.org/content/informed-choice-home
Studies have shown that approximately 25% of non-hormonal nutritional supplements were contaminated with hormonal steroids.
OTC nutritional supplements can be potentially dangerous on many levels.