Unauthorized drugs may also: lead to infections, allergic reactions, and other serious complications contain too much, too little, or none of the active ingredient contain unlisted, dangerous or unknown ingredients contain contaminants, such as solvents, heavy metals, particles (fibers, glass, plastic), or microbials (bacteria, fungi, endotoxins) be poorly or incorrectly labelled be improperly manufactured or stored interact with other medications or health products you may be taking.
Some peptides are prohibited by anti-doping organizations
Venous blood samples were collected to measure serum concentrations of reproductive hormones and vitamin B 12
The goal is continuous improvement guided by data, not guesswork