- 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.
- Do not use if you have scleroderma.
- As with any natural health product, you should consult a healthcare practitioner on the use of this product especially if you are taking medication including carbidopa or drugs/supplements with serotonergic activity, including but not limited to L-tryptophan, S-adrenosylmethionine (SAMe), St. John's wort, antidepressants, pain killers, over the counter cough and cold medication containing dextromethorphan, anti-nausea medication and anti-migraine medication. Consult a healthcare practitioner if you are pregnant orbreastfeeding. Consult a healthcare practitioner if symptoms persist or worsen or if sleeplessness persists continuously for more than 3 weeks. Discontinue use and consult a health care practitioner if you show signs of weakness, oral ulcers, or abdominal pain accompanied by severe muscle pain or if you experience skin changes.