The Rexall Quick-Dissolve Melatonin helps reset the sleep-wake cycle. Contains sublingual tablets

Directions for use:
Adults only. Do not drive or use machinery for 5 hours after taking melatonin. At bedtime only, allow to dissolve under the tongue, 1-3 tablets once daily or as recommended by a physician. 
Jet lag: Take while travelling, and at destination until adaption to the new daily pattern. For occasional short-term use.