Adults: Swallow 1 melatonin tablet once a day, at or before bedtime. For jet lag, take at bedtime after darkness has fallen, while travelling, and at destination until adaptation to the new daily pattern. Do not drive or use machinery for 5 hours after taking melatonin.
Precautions & adverse effects
Do not use melatonin if you are pregnant or breastfeeding. Consult your health care practitioner for use beyond 4 weeks or if symptoms persist continuously for more than 4 weeks (chronic insomnia). For occasional short-term use in case of jet lag. Consumption with alcohol, other medications or natural health products with sedative properties is not recommended. Consult a health care practitioner prior to use if you are taking one of the following medications: anticoagulant, anticonvulsant, blood pressure medications, immunosuppressive medications, sedative, hypnotic or psychotropic medications, or steroids; or if you have one of the following conditions: asthma, depression, diabetes or hypoglycemia, cardiovascular disease, chronic kidney disease, liver disease, immune system disease, migraine, hormonal, coagulation or seizure disorders. Mild gastrointestinal symptoms (nausea, vomiting, or cramping) and rare allergic reactions have been known to occur; in which case, discontinue use.