Pet Food Ingredient

Rosemary Extract

Natural antioxidant preservative extracted from Rosmarinus officinalis leaves. The default "natural" alternative to BHA, BHT, and ethoxyquin in premium pet food.

Also labelled as

rosemary oilnatural rosemary preservative

Regulatory status

FDA GRAS. AAFCO-recognised natural antioxidant.

Key notes

  • Shorter preservation window than synthetic preservatives — typically 6-9 months for kibble vs 12+ for BHA/BHT-preserved equivalents. Brands using rosemary extract usually also add mixed tocopherols for extended shelf life.
  • Anecdotally associated with triggering seizures in epileptic dogs; evidence is thin but some epilepsy specialists recommend avoiding rosemary-preserved foods in seizure-prone patients.

Common alternatives

Common questions

What is rosemary extract in pet food?

A natural antioxidant preservative from Rosmarinus officinalis leaves. The default "natural" alternative to synthetic preservatives like BHA, BHT, and ethoxyquin. Most premium brands that advertise "no synthetic preservatives" use rosemary extract, often paired with mixed tocopherols for extended shelf life.

Is rosemary extract safe for dogs with seizures?

Anecdotally associated with triggering seizures in epileptic dogs, though the evidence base is thin. Some veterinary neurology specialists recommend avoiding rosemary-preserved foods in seizure-prone patients as a precaution. For non-epileptic dogs there's no documented concern at typical pet-food inclusion levels.

Is this ingredient in your pet's food?

Scan the label. If it contains rosemary extract or any of the alternative names above, the scanner will flag it against your pet's allergen profile.

Scan a label →

This entry is factual reference. It is not medical or veterinary advice. Consult a veterinarian for any decisions about your pet's diet.