Extra Virgin Olive Oil

Kirkland Signature

Kirkland Signature Organic Extra Virgin Olive Oil

Good Medium confidence
Ingredient Integrity 75

Single ingredient organic EVOO with no adulterants but lacks single-origin or cultivar disclosure

Processing Level 60

Cold extraction confirmed but missing temperature specifics and premium process details

Evidence & Transparency 35

Country disclosed but missing harvest date, estate details, and quality lab testing results

Product Quality 60

Organic EVOO with 0.5% acidity meets legal standards but lacks premium differentiation

Ingredients

Organic extra virgin olive oil

Certifications

USDA OrganicKosher

Sourcing

Product of Italy. Cold extracted. Kirkland Signature is Costco's private-label brand. The olive oil is sourced from Italy and bottled for Costco under the Kirkland Signature label. Maximum acidity 0.5% indicates first cold press quality standard for extra virgin designation.

Transparency notes

Product of Italy origin clearly disclosed. USDA Organic and Kosher certifications explicitly listed on retailer pages. Maximum acidity (0.5%) disclosed. Cold extraction method noted for 2 L variant. Private-label product with standard organic certification transparency. No single-origin estate or farm-level sourcing details provided beyond country of origin.

Origin Italy
Last verified June 2026