Most people do not experience side effects taking a nitric oxide supplement, however, if they occur, they are typically mild and may include:
stomach discomfort
soft stool or diarrhea
dark red stool and urine (typically associated with the beetroot in the ingredient list)
Headache or nausea
NOTE - People who have the following conditions should consult with a physician or licensed qualified medical professional before consuming CORE
Cirrhosis
Guanidinoacetate methyltransferase deficiency
Low blood pressure
Currently, there are no known contraindications with any medications. Consult your physician prior to use if you are taking 1) Organic nitrate medications such as isosorbide 2) Erectile dysfunction drugs since the combination of the two may cause an unsafe drop in blood pressure or 3) Blood thinner medications or 4) Medications related to lowering blood pressure. Discontinue use and contact your physician if you experience dizziness or fainting.