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Kirkland Signature Organic Whole Milk

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Common questions

Is Kirkland Signature Organic Whole Milk healthy?

Kirkland Signature Organic Whole Milk scores 95/100 on Scout's independent analysis of ingredients, additives, and lab results — one of the stronger scores in Scout's catalog. This product is minimally processed, consisting primarily of organic Grade A milk, which is a high-quality source of essential nutrients like calcium and protein.

How processed is Kirkland Signature Organic Whole Milk?

Kirkland Signature Organic Whole Milk is NOVA Group 1: Unprocessed or Minimally Processed Foods.

Which ingredients drive Kirkland Signature Organic Whole Milk's score?

In Scout's ingredient-by-ingredient analysis, Organic Grade A Milk, Vitamin D3, Milk count in its favor. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Kirkland Signature Organic Whole Milk

Kirkland Signature
95 Excellent

Analysis updated September 2026 · How Scout scores

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Near you

Kirkland Signature is carried at Costco stores. Find one within 25 miles.

At a glance

Beneficial ingredients 3
Harmful ingredients 0
Owned by Costco
Category Milk
Summary

This product is minimally processed, consisting primarily of organic Grade A milk, which is a high-quality source of essential nutrients like calcium and protein. The addition of Vitamin D3 enhances its nutritional value, supporting bone health and immune function. Being organic, it is produced without synthetic pesticides or fertilizers, contributing to its high score.

Key ingredients 3

Organic Grade A Milk
Good

This ingredient is organic and of high quality, providing essential nutrients in a minimally processed form, which supports overall health.

Vitamin D3
Good

Beneficial ingredient — whole-food or functional value in this product class.

See more about Vitamin D3 →
Milk
Good

Milk is a natural source of calcium, protein, and other vital nutrients, making it a beneficial component of this product.

See more about Milk →

Processing

Group 1 · Minimally processed

Unprocessed or Minimally Processed Foods

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