Thanks!
Bodybuilding Library:
Pre-workout supplements -https://www.frontiersin.org/articles/10.3389/fnut.2021.637962/full
History of bodybuilding -https://en.wikipedia.org/wiki/Bodybuilding
Testosterone Review -https://www.nature.com/articles/s41574-020-00409-2
large catalog of pharmacological drugs - shop-esteroides24.com
Protein quality and sources -https://www.frontiersin.org/articles/10.3389/fnut.2020.00169/full
