A Quick Look at the Kirkland Oat Milk From Costco

The Kirkland Signature Oat Milk at Costco is a non-dairy beverage that is an excellent milk substitute.

The Costco oat milk comes in a case with six containers, each holding 32 ounces of oat milk.  The “milk” is shelf stable, Organic, Nut Free and Vegan.

Case of Kirkland Oat Milk at Costco

Costco’s Kirkland Signature Oat Milk is very good and is an excellent milk substitute.

The oat milk has a long shelf life and doesn’t have any of the weird off tastes that you often get with milk replacement drinks.

You can use the oat milk just about anywhere you use cow’s milk like in your cereal, as a coffee creamer or just a straight up cold refreshing drink.

Calories and Nutrition

Oat milk is a great beverage alternative for people who are allergic to dairy or nuts as well as those who want to eat a vegan diet.  One cup of oat milk is a single serving and has the following calories and nutritional information:

  • Calories: 120
  • Fat: 5g (6% DV)
  • Cholesterol: 0 mg (0% DV)
  • Sodium: 95mg (5% DV)
  • Total Carbohydrates: 16g (6% DV)
    • Added Sugar: 7g
  • Protein: 3g

Additionally, the Kirkland oat milk is Organic and contains added vitamins (B2, B12, D2).

At first I was confused as to why this product had 7 grams of added sugar per serving, especially since there are no sweeteners listed in the ingredients.

I did a little research into the topic and found the answer on the website for Oatly’s oat milk.  It turns out that one of the ways you get a creamy oat milk is through an enzymatic process that converts starches into sugars.  So, the “added sugars” come from the breakdown of the oats themselves and is not from cane sugar or corn syrup being added into the mix.

Compared to a cup of low fat milk (cow) this oat milk has:

  • More Calories (120 oat vs 104 low fat milk)
  • More Fat (5g oat vs 2.5g low fat milk)
  • Less Protein (3g oat vs 8.5 low fat milk)

In a nutshell, I would say that the oat milk is not as healthy as low fat cow’s milk but is a nice alternative for folks that don’t consume dairy.

Oat Milk Calories and Nutrition

Price

The six pack of 32 ounce oat milk containers costs $11.89 at Costco which works out to a price of $0.062 per ounce.  This makes the oat milk about twice as expensive as Costco’s Almond Milk.

On the Costco website I have seen where they are selling Califia Farms Oat Milk for about 28% more per ounce than the Kirkland Signature product.  I have not seen any other oat milk brands for sale in my local Costco warehouse.

Price of Oat Milk at Costco

Kirkland vs Oatly

When you are talking about oat milk then you have to do a comparison against the Big Dog in the market, Oatly.

The biggest difference between the Oatly product and Kirkland Signature is that the Kirkland product is shelf stable while Oatly needs to be refrigerated.

David

Good morning and welcome to the site dedicated to helping you find great products at Costco and other stores! My name is David Somerville and these are hands on reviews of products that I have bought and used or am seriously considering purchasing. I do most of my shopping at the Costco in Baton Rouge, Louisiana but will check out any other Costco warehouses I find while travelling. Please get in touch with any questions and let me know of any great products that deserved to be featured in this blog!

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