Kirkland Signature California Organic Extra Virgin Olive Oil Bottle
Solid EverydayUSDA / Certified OrganicDark Glass
Kirkland Signature • United States (California)

Kirkland Signature California Organic Extra Virgin Olive Oil

Best Culinary Use:Everyday Cooking, Roasting & Finishing
Sold at:Costco
Est. TrustB62/100
Estimated Trust Score
Standard Commercial

Weighted across single-origin integrity, cultivar chemistry, packaging protection & FDA customs record.

Data Confidence Score40% • Low Confidence
Low — Physical Back-Label Check Needed: Limited online label disclosure — physical back-label check recommended before buying.
Provenance & Cultivar EvaluationVerified Label & Chemistry Profile

How This Bottle Is Rated: Provenance, Cultivar & Freshness Analysis

This bottle is rated on its verified origin transparency, label disclosure, light-protective packaging (Dark Glass), and US FDA customs inspection history. Independent chemical lab testing (measuring Free Fatty Acidity, Peroxide Value, and Total Polyphenols) is added as bottles complete bench verification.

Retail Price & Size Comparison

Where to Buy Kirkland Signature California Organic Extra Virgin Olive Oil

Store / RetailerBottle SizeShelf PriceUnit Price ($/L)Last VerifiedStore Link
Costco1000 mL (33.8 fl oz)$19.99$19.99/L2026-11-06Browse Costco
Geographic Traceability & Sensory Notes

Origin, Harvest & Sensory Profile

Single-Origin
Origin Country
United States
Region / Mill Zone
California
Harvest Campaign
Check Bottle Label
Sensory Intensity
Balanced
Olive Variety & Cooking Profile

Cultivar Fatty-Acid & Thermal Chemistry

Cultivar Encyclopedia
Not Listed Online (Check Physical Bottle Label)

The specific olive cultivar (e.g., Picual, Koroneiki, Coratina, Arbequina) is not disclosed on the retailer's online listing for this bottle. Check the physical back label for varietal disclosure or browse our 445 Olive Cultivar Chemistry Reference.

Nutrition Facts

Serving Size: 1 tbsp (15 mL / 14g)

Calories120
Total Fat14g
Saturated Fat2g
Trans Fat0g
Polyunsaturated Fat (PUFA)1.5g
Monounsaturated Fat (MUFA)10g
Sodium0mg
Total Carbohydrate0g
Protein0g
Declared Ingredients
100% Extra Virgin Olive Oil
US FDA OASIS Customs Enforcement

FDA Import Refusal Check

All FDA Logs →
Zero Brand-Level FDA Import Refusals Matched

No US FDA OASIS customs import refusals were matched directly to Kirkland Signature. Origin country (United States) logged 5 industry-wide port refusals in the 5-year OASIS dataset.

Editorial Quality Audit • Pros & Cons

Kirkland Signature California Organic Extra Virgin Olive Oil Strengths & Limitations

Positive Quality Signals (Pros)
  • ✓Single-origin traceability from United States (California)
  • ✓UV-protective Dark Glass packaging helps preserve polyphenols and prevent photo-oxidation
  • ✓Clean US FDA OASIS customs record with zero brand-level port refusals
  • ✓USDA / Certified Organic extra virgin olive oil
Watchouts & Label Gaps (Cons)
  • •Specific olive cultivar is not disclosed on online retailer listings (check physical back label)
  • •Specific harvest campaign date is not listed on online retailer product pages
Verified Bottle Q&A

Frequently Asked Questions

Is Kirkland Signature California Organic Extra Virgin Olive Oil single-origin or a multi-country blend?

Kirkland Signature California Organic Extra Virgin Olive Oil is a single-origin extra virgin olive oil sourced from United States (California).

What olive cultivars and polyphenol levels does Kirkland Signature California Organic Extra Virgin Olive Oil have?

The specific olive cultivar for Kirkland Signature California Organic Extra Virgin Olive Oil is currently marked as "Not Listed Online (Check Bottle)". Exact total polyphenols (mg/kg) vary by harvest date and olive cultivar and are published once the bottle completes CDR FoodLab® bench testing.

How is Kirkland Signature California Organic Extra Virgin Olive Oil packaged and does it protect against UV oxidation?

Kirkland Signature California Organic Extra Virgin Olive Oil is packaged in Dark Glass. Dark Glass blocks damaging UV light on supermarket shelves, helping preserve chlorophyll and antioxidant polyphenols. Harvest campaign status: Check Bottle Label.

What is the Trust Score and Verdict for Kirkland Signature California Organic Extra Virgin Olive Oil?

Kirkland Signature California Organic Extra Virgin Olive Oil earns an Estimated Trust Score of 62/100 (Grade B — Decent Basic Cooking Oil) with a Data Confidence Score of 40% (Low — Physical Back-Label Check Needed: Limited online label disclosure — physical back-label check recommended before buying.). Commercial olive oil from United States suitable for everyday pan cooking.

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