Beyond Normal

They aren't competing options. One replaces a hormone you're not making enough of, the other prompts a different one, and a lot of men end up on both.

Here's what the human trials and the FDA lists actually show.

Sermorelin prompts your body to make more of its own growth hormone. Six-month trials found less body fat, more lean tissue and better cognitive scores. Tesamorelin is approved for one condition.