Avoid taking with alcohol or products that increase drowsiness.
Use with caution if sleeplessness persists for more than 1 month (chronic insomnia).
Exercise caution prior to use in case of cardiovascular, immune, liver or chronic kidney disease, hormonal or seizure disorders, asthma, depression, diabetes, low blood sugar or migraines.
Stop use if allergic reaction occurs or in case of headache, confusion or nausea.