This article was reviewed by Felix Gussone, MD. Key Takeaways: In the U.S., testosterone is a controlled substance, so you’ll ...

New York Post may receive revenue from affiliate and advertising partnerships for sharing this content and/or when you make a purchase. RJK Jr. has explored a few controversial ideas, particularly in ...

Jatenzo (testosterone undecanoate) is a prescription drug that’s used to treat low testosterone levels. The drug comes as a capsule that you swallow. It’s usually taken twice per day. Jatenzo is ...