Do not use if you are taking Levodopa, a medication used to treat Parkinson's disease. Avoid taking with alcohol or products that cause drowsiness. 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. Consult a healthcare practitioner prior to use if you have cardiovascular, immune, liver or chronic kidney disease, hormonal or seizure

disorders, asthma, depression, diabetes, low blood sugar, or migraine. Consult your health care practitioner if sleeplessness persists for more than 4 weeks (chronic insomnia). Consult a health care practitioner prior to use if you are taking carbidopa or drugs/supplements with serotonergic activity. These may include, but are not limited to, L-tryptophan, Sadenosylmethionine (SAMe), St. John's wort, antidepressants, pain killers, over the counter cough and cold

medication containing dextromethorphan anti-nausea medication and

anti-migraine medication. Stop use and consult a health care practitioner if you show signs of weakness, oral ulcers, abdominal pain accompanied by severe muscle pain or if you experience skin changes.

Known adverse reactions:
Some people may experience diarrhea, vomiting and abdominal pain. Stop use if allergy occurs or if you experience headache, confusion, or nausea. Some people may experience drowsiness. Exercise caution if operating heavy machinery, driving a motor vehicle or involved in activities requiring mental alertness.

Contraindications:
Do not drive or use machinery for 5 hours after taking melatonin. Do not use this product if you are pregnant or breastfeeding. Do not use this product if you have scleroderma.