PT-141 is thought to increase sexual desire in both men and women by activating the MC4R in the brain, which ultimately leads to an increase in the production of neurotransmitters like dopamine in specific brain areas related to libido and sex drive [7]

When selected for testing, athletes have the right to: Have a representative accompany the athlete throughout the doping control process Have an interpreter present, if one is available Complete a training session or other activities while the DCO or notifying chaperone observes the athlete (out-of-competition) Have the testing procedures explained to the athlete, including how the sample collection equipment works Request to view the DCOs credentials Choose a collection vessel and sample collection kit Receive a copy of the sample collection documentation used to document the processing of the athletes sample Provide feedback on the USADA Athlete Evaluation Form and/or a Supplementary Report Form Request a delay in reporting to the doping control station for valid reasons (in-competition testing) Request modifications if the athlete has an impairment During a test, athletes are responsible for: Complying with the sample collection procedure Reporting immediately to the doping control station unless there are approved reasons for delay Presenting government issued photo identification at the time of notification Staying in direct observation of the DCO or notifying chaperone from the time of notification until the sample collection session is complete Keeping the collection vessel in their possession and in view of the DCO at all times Having control of the sample until it is sealed in the sample collection bottles (the DCO may assist upon request) Ensuring the sample code number is correctly documented on the sample collection documentation Ensuring all appropriate sample collection documentation is accurate, complete, and signed Frequently Asked Questions Have Questions on the Sample Collection Process

From this research it seems that the best explanations may be through the potential reset of a disrupted methionine-folate cycle and aiding in the removal of toxic metals and chemicals from the brain
Balschun D, Moechars D, Callaerts-Vegh Z, Vermaercke B, Van Acker N, and Andries L, D'Hooge R (2010) Vesicular glutamate transporter VGLUTl has a role in hippocampal long- term potentiation and spatial reversal learning