When your sleep patterns are disturbed, by travel or shift work for example, supplemental melatonin may aid in resetting your body's clock and improve length of sleep and sleep quality. This 5 mg sublingual melatonin from webber naturals is absorbed under the tongue to enter the bloodstream quickly. It is potent, all-natural, non addictive and very safe. Seniors, shift workers and those who travel to other time zones, are likely to benefit from supplemental use of melatonin. BONUS 20% more.