John Travis

Articles

Higenamine is a beta-2 agonist added to the list of banned substances by the World Anti-Doping Agency (WADA) in 2017.

Adulterant to watch: Higenamine hazards in the sports supplements market

Research has identified a newly emerging adulterant in sports supplements. NSF's John Travis writes about how he and fellow researchers discovered 2-aminoisoheptane in supplements.

New Hidden Stimulants Surface in Sports Dietary Supplements

Testing techniques such as UHPLC, HRAM-MS, and NMR provide complementary information to uncover adulteration.

The Latest Testing Techniques for Catching Dietary Supplement Fraud and Adulteration

Sports marketers, beware! Here's a rundown on sports contaminants we're seeing today.