Caution: Do not use this product if you are pregnant or breastfeeding, or with other potassium-containing supplements or with potassiumcontaining salt-substitutes. Consult a health care practitioner for use beyond 3 months. Consult a health care practitioner prior to use if you have a kidney disorder, liver disorder, cardiovascular disease and or diabetes. Consult a health care practitioner prior to use if you have cancer or a history of non-melanoma skin cancer, taking blood thinners, sulfonamides or if you are a tobacco smoker. This product may cause mild gastrointestinal disturbances. People sensitive to nicotinic acid may experience flushing of the skin that is generally mild and transient. Some people may experience constipation, diarrhea, and or vomiting. Stop use if hypersensitivity occurs. Zinc supplementation can cause a copper deficiency. If you are unsure, whether you are taking enough copper, consult a health care practitioner prior to use.