Intestinal flora and endogenous vitamin synthesis
Tested by independent laboratories for heavy metals, residual solvents, and endotoxins, in line with established limits
3 After roughly 18 months, participants lost about 10 percent of body weight, and average total testosterone increased by 18 percent, suggesting that weight reduction from GLP-1 therapy may help reverse obesity-related low testosterone
doi: 10.1056/NEJM199607043350101 Summary Keywords anabolicandrogenic steroids, endocrine disruption, hypogonadism, hypothalamicpituitarygonadal axis, male infertility, testosterone misuse, young men Citation Kowalik K, Harasny P, Kaliczyska L, Reweda-Kwiatkowski K, Starzyski D, Pawlak M, Waloryszak A, Ptak M, Modrzejewski A and Lisman D (2026) Non-medical use of exogenous testosterone and anabolicandrogenic substances in young men: health, psychological, and fertility consequences
Superposition of PF-06372222-bound crystal structure (containing the C347 6.36b F mutation), with crystal structure based molecular dynamic simulations of F347 shown in blue (500 ns) and of simulations C347 (6.36b mutated back to cysteine) shown in pink (500 ns)
Such numbers push pharmacotherapy into a space previously occupied only by bariatric surgery