Stimulants The non-diagnostic use of carbon monoxide (CO) has been added to the Prohibited Methods as a new section, M1.4 Olivier Niggli, WADA Director General, stated: We encourage athletes, their entourage and all stakeholders to acquaint themselves with the Summary of Major Modifications to avoid inadvertent use of substances and methods that are prohibited in sport for 2026
The Journal of Physiology (2013)
Tirzepatide users also report fatigue, though anecdotally the reports tend to be less severe
A perceived reduction in impairment reflects stimulant effects on subjective fatigue, not actual metabolic acceleration
Unlike oral medications absorbed through the gut, injections rely on a consistent layer of healthy fat tissue for steady, predictable drug absorption
Medical legitimacy Juniper prescribes an FDA-approved medication for an FDA-approved indication through licensed clinicians