Metabolomics of testosterone enanthate administration during severe-energy deficit.

"data availability supplementary data are available via figshare at https://figshare com/s/2e896b1bcacdb1d6b300 . data availability supplementary data are available via figshare"

"Declarations Conflict of interestThe authors have nothing to disclose. Ethical approvalAll procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study. Conflict of interest The authors have nothing to disclose."

"Funding This study was funded by Collaborative Research to Optimize Warfighter Nutrition projects I and II, Joint Program Committee-5, funded by the US Department of Defense."

"Physically active men (18–39 y) free of cardiometabolic disorders and with normal testosterone concentrations (total testosterone 10.4–34.7 nmol/L) were recruited for the study between April 12, 2016 and September 15, 2017. Inclusion and exclusion criteria have been previously reported (Pasiakos et al., and ). All participants met age-specific US Army body composition standards. Pennington Biomedical Research Center Institutional Review Board and the Human Research Protection Office of the US Army Medical Research and Material Command approved study procedures. Participants provided written informed consent prior to participation. The study was registered at www.clinicaltrials.gov (NCT02734238)."