How the fuck its possible that you will go to jail for longer for steroids then a DUI manslaughter?

What Ive learned today:
Chers daughter has decided to become a man, she is on hormone therapy which undoubtedly includes testosterone, and this is totally legal, but for me to use it for the same cosmetic purposes is illegal.
And the person who would sell me the testosterone would be in more trouble than someone who runs over and kills a person while driving drunk in their Bentley.

I just dont understand how any of this even possible????