Interesting point here, if you search old HN discussions you can find a reference, but 200-250ug is the effective dose for melatonin, and larger amounts have a

Interesting point here, if you search old HN discussions you can find a reference, but 200-250ug is the effective dose for melatonin, and larger amounts have a slightly decreased effect. I know it's never sold this way, but it's something you might want to experiment with (quartering 1mg pills or taking a few drops of a 10mg/ml liquid works well here).