Do not use if you are pregnant or breastfeeding. Do not use if you have scleroderma. Do not use if you are taking immunosuppressive drugs. Do not drive or use machinery for 5 hours after taking melatonin. Recommended Dose: Adults – Take 2 capsules once a day. Take with food 30 – 45 minutes before bedtime. Use for a minimum of 2 – 3 weeks to see beneficial effects. Consult a health care practitioner if sleeplessness persists continuously for more than 3 weeks. Maxion Nutrition products are researched, developed and manufactured in Canada in a Good Manufacturing Practices (GMP) approved facility for complete quality assurance of the highest standard of manufacturing. Each batch is tested for safety and purity, so you only get the best. Natural Product Number (NPN): 80018969. It helps to reduce the time it takes to fall asleep in people with delayed sleep phase syndrome and helps re-set the body's sleep-wake cycle. Maxion SleepAid Extra helps to promote sleep and increase total sleep time as an aspect of sleep quality in people suffering from sleep restriction or altered sleep schedule.