Risk Information: Do not use this product if you have scleroderma. Consult a healthcare practitioner prior to use if you are pregnant or breastfeeding, are taking carbidopa or drugs/supplements with serotonergic activity. These may include, but are not limited to, L-tryptophan, S-adenosylmethionine (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. Consult a healthcare practitioner if symptoms persist or worsen, or if sleeplessness persists continuously for more than 3 weeks. Avoid taking with alcohol or products that cause drowsiness. Some people may experience drowsiness. Exercise caution if operating heavy machinery, driving a motor vehicle or involved in activities requiring mental alertness. Some people may experience diarrhoea, nausea, vomiting and abdominal pain. Keep out of the reach of children.