Sugar is the most harmful substance that members of the Legion allow in their own bodies. Other than alcohol, but at least people try to moderate that.

[Besides, booze isn't illegal.]

The Science Police handle the other drugs without needing my help. [Except when one of her obsessive little side-projects uncovers a drug den and she co-opts a few officers to raid it.] I'm just trying to keep the team clean of the 'legal' stimulants.