Recommended Dose: Adults:Take 1 – 2 lozenges once a day at or before bedtime If symptoms persist continuously for more than 4 weeks (chronic insomnia), consult your healthcare practitioner Consult a healthcare practitioner prior to use if you have a hormonal disorder, diabetes, liver or kidney disease, cerebral palsy, seizure disorders, migraine, depression and/or hypertension or if you are taking blood pressure or sedative/hypnotic medications Do not use if you are pregnant or breastfeeding, or if you are taking immunosupressive drugs. Do not drive or use machinery for 5 hours after taking melatonin.