If its as a sleep aid possibly you can find tryptophan easier ?..which makes serotonin which makes melatonin Better Brain Chemistry with Tryptophan - Life Extension
The generic pharma out the north side of new Mco has it, but only by the bottle. Merc Drug near Robs has Sleep Eez per pill, and the kiosk at the top of the escalator going to Globe has 5mg melatonin P15 per pill
Edit: I should have specified that you turn left at the top of the escalator that comes up in front of Globe to go to the kiosk that has the melatonin. (not right)