Ingredient

TBHQ

Flagged in 5

What is TBHQ?

Tertiary Butylhydroquinone, commonly known as TBHQ, is a synthetic antioxidant used as a preservative to extend the shelf life of food products. It is derived from butylhydroquinone and serves to prevent the oxidation of fats and oils, which can lead to rancidity.

TBHQ is commonly found in processed foods like snack foods, frozen meals, and fast foods due to its effectiveness in maintaining freshness. The health evidence on TBHQ is mixed; some studies suggest it is safe at low levels used in food, while others point to potential negative health effects at high doses over time.

When you see TBHQ on a label, it indicates an extended shelf life for the product due to its preservative properties. Consumers concerned about synthetic additives may choose products with natural preservatives instead.

Commonly found in: cookies, snack foods, frozen meals, processed meats, frying oils

What to watch

High doses of TBHQ in animal studies have been linked to increased risk of stomach cancer.
Some studies suggest TBHQ may cause hyperactivity or other behavioral changes, particularly in children.

Benefits

TBHQ effectively extends the shelf life of foods by preventing the oxidative degradation of fats and oils.

FDA

TBHQ is considered generally recognized as safe (GRAS) by the FDA, but its use is limited to a maximum concentration in foods.

Research

Research shows TBHQ is effective as a preservative, but high doses could pose health risks; more studies are needed for conclusive results.

Vegan

TBHQ is synthetically produced and generally considered suitable for vegan diets.

Sources: Tertiary Butylhydroquinone (TBHQ) and Food Safety

Scout's take

TBHQ is a synthetic preservative used to extend shelf life. It is a highly processed chemical with potential health concerns at high doses. Long-term consumption may pose health risks.