Why Refined Peanut Oil Is Generally Considered Safe for Those Affected by Peanut Allergies

If you or someone in your family has a peanut allergy, seeing "peanut oil" on an ingredient panel is enough to put the bag back on the shelf. That instinct is a good one. It is also worth understanding what refined peanut oil actually is, because it is not the same thing as a peanut.

Peanut allergies are reactions to peanut proteins. The immune system recognizes specific protein fragments and responds to them. Peanut oil, by contrast, is fat. The question is simply how much protein is left behind after the oil is separated from the nut.

That depends entirely on the process. Cold-pressed, expelled, expeller-pressed, or "gourmet" peanut oils are minimally processed and can retain measurable peanut protein. Those oils are treated as allergens. Highly refined peanut oil goes through refining, bleaching, and deodorizing, a series of steps that strips protein to trace or undetectable levels.

That distinction is written into U.S. law. The Food Allergen Labeling and Consumer Protection Act (FALCPA) requires the top allergens to be declared on packaging, and it specifically exempts highly refined oils, because studies of refined peanut oil have not shown reactions in peanut-allergic subjects in controlled challenge testing. Allergy organizations, including the American Academy of Allergy, Asthma & Immunology and FARE, describe highly refined peanut oil as generally safe for most people with peanut allergy, while advising avoidance of cold-pressed and gourmet peanut oils.

Why do we use it at all? Because it is one of the best frying oils for the kind of chip we make. It holds a high, stable temperature in a kettle, it does not carry its own heavy flavor into the chip, and it produces the crisp, clean bite we are after. Frying thin slices in a kettle is unforgiving. The oil matters.

None of this replaces medical advice. Allergy severity varies from person to person, and some allergists advise their patients to avoid peanut oil in all forms regardless of refining. If a peanut allergy is part of your life, the right answer is the one your allergist gives you, not the one a chip company gives you.

What we can do is be straightforward about what is in the bag and how it is made. If you have questions about our oil, our facility, or anything else on the label, reach out through our contact page and we will answer honestly.