If sleep seems to be an issue, there could be an issue in the levels of melatonin hormone. Melatonin is now available in the form of a dietary supplement. Nature's Bounty Melatonin is obtained synthetically and therefore does not bring the risk of contaminated virus with it. It is made to help an individual in making his/her quality of rest better. It is suitable to be taken for a sound sleep in case an individual experiences jet lag or periodic sleeplessness.