Comment · Fri, August 30, 2013
Melatonin enhances the rewarding properties of morphine: involvement of the nitric oxidergic pathway.
What they were answering
freakorgeek · 6 points
Except they used massive dosages in the rats, I'm not sure what side effects they would cause in humans.
u/MisterYouAreSoDumb
Do you remember that guy on /r/Drugs that tried to trip on a high dose of melatonin?
http://www.reddit.com/r/Drugs/comments/197mfc/you_can_get_high_off_melatonin_but_dont/