Risk Information: Do not use if you have scleroderma. Consult your healthcare practitioner prior to use if you are pregnant, breastfeeding, taking any medication, or have any health condition. Discontinue use and consult your healthcare practitioner if you show signs of weakness, oral ulcers, abdominal pain accompanied by severe muscle pain or experience skin changes. Some people may experience diarrhea, nausea, vomiting, abdominal pain or drowsiness. Exercise caution if operating heavy machinery, driving a motor vehicle or involved in activities requiring mental alertness.