Amazon has 5mg Time Release Melatonin for $4.25 for 2 100 count bottles (
with subscribe and save). This is the cheapest by far that I have seen
anywhere (typically $7-$8 a bottle). Shipping is free with prime or $25 SSS
. You can cancel the subscribe & Save at any time.
Link: http://www.amazon.com/Melatonin-Time-Release-Natrol-Tablets/dp/