Catholics know that they should bless their foods. Failing to do so not only reflects a lack of gratitude, but also leaves you vulnerable to the demonic. Consuming something infested with demons can have dire spiritual consequence up-to-and-including demonic possession.
This is also true of ESSENTIAL OILS. Fr. Ripperger explains how the oils themselves are morally neutral (and beneficial for usage), but they have been the target of evildoers who put spells and hexes on them. Always know where you oils and medicines originate and get them blessed (or at least do the food blessing on them).
Bless Your Food & Bless ESSENTIAL OILS too!
