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Walnut Oil

Low concern

Walnut oil contains beneficial omega-3 fatty acids but is a tree nut allergen. The FDA classifies walnuts as a major food allergen requiring labeling under FALCPA.

Found in

137 products

What it is

Oil pressed from walnuts (Juglans regia), rich in alpha-linolenic acid (omega-3) and polyunsaturated fats.

Cooking oil; flavoring; finishing oil for salads.

Why it's flagged

major tree nut allergen

What regulators actually say

"FALCPA identifies the eight foods that account for 90 percent of food allergic reactions, including tree nuts (walnuts)."

FDA Food Allergies — fda.gov

Regulatory status

United States — FDA

GRAS food oil; major allergen labeling required (FALCPA)

European Union — EFSA

Permitted; allergen declaration required

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