Ingredient · E319

TBHQ Anti-oxidant

Source
Not animal-derived
Allergen
No
Role in food
Manufacturers add TBHQ to foods to prevent oils and fats from spoiling, which extends …

What is TBHQ Anti-oxidant?

TBHQ, or tertiary butylhydroquinone, is a synthetic antioxidant. It is produced through a chemical process involving hydroquinone and isobutylene. TBHQ is a white or reddish-brown crystalline powder.

Is TBHQ Anti-oxidant vegan?

TBHQ Anti-oxidant is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is TBHQ Anti-oxidant gluten-free?

It does not contain gluten.

Is TBHQ Anti-oxidant a major allergen?

TBHQ is a synthetic chemical and is not derived from any of the 9 FDA major allergens.

What is TBHQ Anti-oxidant used for?

Manufacturers add TBHQ to foods to prevent oils and fats from spoiling, which extends shelf life.

Is TBHQ Anti-oxidant safe?

In the US, TBHQ is approved as a food additive and is generally recognized as safe (GRAS) by the FDA when used within specified limits.

Why it's used

Manufacturers add TBHQ to foods to prevent oils and fats from spoiling, which extends shelf life. It is commonly found in processed foods containing fats and oils, such as frozen appetizers, processed vegetables, and fried potato products.

Health notes

In the US, TBHQ is approved as a food additive and is generally recognized as safe (GRAS) by the FDA when used within specified limits. Studies have looked into its effects, but the evidence regarding health impacts at typical consumption levels is mixed. International bodies like JECFA and EFSA have evaluated TBHQ, and it has been the subject of some debate regarding potential effects at very high doses, though these are not typically encountered through normal food consumption.

Allergen info

TBHQ is a synthetic chemical and is not derived from any of the 9 FDA major allergens. It does not contain gluten.

Foods that contain TBHQ Anti-oxidant

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Auto-generated content. This description was generated automatically and is pending editorial review. Inaccuracies are possible. Found a mistake? Contact us.

Last updated: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.