As with any natural health product, you should consult a healthcare practitioner prior to use of this product, especially if you are taking any medication including blood pressure medications or if you have a medical condition including kidney stones, diabetes, a history of non-melanoma skin cancer, liver disorder, or iron deficiency. Discontinue use and consult a healthcare practitioner if you experience symptoms of serious low blood sugar such as sweating, paleness, chills, headache, dizziness, and confusion, or develop symptoms of liver trouble such as yellowing of the skin/eyes (jaundice), stomach pain, dark urine, sweating, nausea, unusual tiredness and loss of appetite. Do not use if seal is broken. Keep out of reach of children.