Food Grade Essential Oils Defined By LawThe easiest way to determine whether the essential oil is food grade or not is to simply check the food-grade label. Essential Oils in CookingAnother way to determine if the essential oil is food grade is to determine whether the main source can be used as an ingredient in cooking.
The FDA will only approve of it as safe to use but not for healing use. The closest thing that we can point to “therapeutic grade” is aromatherapy. We can say that essential oil is good for aromatherapy and good for calming or soothing once inhaled.