2. Licorice
When it comes to licorice, its taste is not the biggest problem. Glycyrrhizin, a compound in licorice can reduce testosterone level in men, according to researchers. That effect nobody wants.

Public Domain/ Pixabay
When it comes to licorice, its taste is not the biggest problem. Glycyrrhizin, a compound in licorice can reduce testosterone level in men, according to researchers. That effect nobody wants.
Public Domain/ Pixabay