[spuriouserror31]

> Of course, we need to be aware of the side effects (mostly murderous rampaging).

Common side effects include rash, constipation, nausea, diarrhea, dizziness, homicidal urges, drowsiness, insomnia, headache, and dry mouth.

[Unai]

You forgot blindness. If you're transparent, your eyes won't be able to refract light. Which is good if you also have homicidal urges, but awful if you get diarrhea.

[yencabulator]

And would you get invisible diarrhea?

(This might be the more desirable of the two outcomes. Otherwise you the man may be invisible, but everyone sees your intestinal contents floating in mid-air.)