No serious toxicities have been reported with myrrh. Myrrh is approved by the US Food and Drug Administration (FDA) for food use and given “generally recognized as safe” status as a food additive1.
Tom’s of Maine recognizes that no two people are alike, and even with naturally derived ingredients, some individuals may develop an allergic reaction that is unique to them. As with any product, be sure to discontinue use if you experience discomfort or other indications that the product may not be appropriate for your individual body chemistry.
121 CFR 172.510