H4U melatonin 30 capsules of H4U . Food supplement to treat general insomnia or sleep disorders. It is ideal for people who have a changing sleep cycle, such as people with different shifts at work or to correct the effects of Jet Lag when traveling to areas with other time zones. Melatonin helps to get a proper rest during sleep. In addition, Melatonin also positively influences the reproductive, cardiovascular and neurological systems. It is an effective antioxidant to protect body cells, including neurons. It should always be taken half an hour before going to bed, preferably always at the same time, in order to restore one's circadian rhythm.