Do not use this product if you are pregnant or breastfeeding.
Do not drive or use machinery for 5 hours after taking melatonin. Consult a health care practitioner prior to use if you are taking medications for seizure, blood pressure, to suppress the immune system (immunosuppressive medications), to affect mental state or increase sedation, steroids or blood thinners, if you have cardiovascular, immune, liver or chronic kidney disease, hormonal or seizure disorders, asthma, depression, diabetes, low blood sugar, or migraine..