Food grade. DO NOT USE IF YOU HAVE KIDNEY OR LIVER FAILURE. Pure herbal extract of Verbena, this product is also known as Vervain or Blue Vervain. Historically it is reported that Verbena is one of the main flowers used to help heal the wounds of Jesus on the cross. If that is true, then this herb can surely help you too. Used for centuries to help women with menstrual issues, verbena can also be used for other ailments internally and externally. Internally, verbena can assist with the effects of inflammation, menopause, menstrual cramps, and joint pain (https://draxe.com/nutrition/lemon-verbena/). Externally, verbena has been used to treat infections of many types. Please consult a trained medical professional before supplementing.