Injectable peptides carry standard injection-site risks
Methods 16 , 703706 (2019)
Research has shown that even in people without any underlying health conditions, when taking a 500 microgram oral supplement, only 10 micrograms (or 2%) is absorbed (Carmel, 2008)
Medical references Sikiric P, Petek M, Rucman R, et al
It is also banned by WADA (World Anti-Doping Agency) and ASADA, so competitive athletes can (and have) received bans for using it
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