Last Updated 09:02, 27/05/2025
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Review Costco oat milk - Why do you need to buy it?

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Costco oat milk is one of the popular choices widely favored by many. However, not everyone understands its ingredients, nutritional value, and benefits. In this article, Zextrasure will provide you with the most essential information about this oat milk.

1. Introduced for Costco oat milk

Kirkland Signature Oat Milk is a product Costco offers under its private label brand, Kirkland Signature. It has become popular among customers, especially those seeking dairy-free milk alternatives. The oat milk is marketed as an organic option, which appeals to health-conscious consumers.

The product is made from whole oats and is fortified with essential nutrients like Vitamin D2, Riboflavin, and Vitamin B12, providing a creamy texture that mimics the mouthfeel of traditional dairy milk. It also contains 7 grams of sugar per cup, which some may find on the sweeter side compared to other oat milk brands. Despite the added sugar, Kirkland Signature Oat Milk remains a popular choice for individuals seeking a plant-based, lactose-free, and vegan-friendly alternative to cow's milk.

However, due to the added sugar content, those who are monitoring their sugar intake may want to consider other oat milk brands with less sweetness​

2. Costco oat milk ingredients

Costco's Kirkland Signature Oat Milk is a popular and nutritious plant-based alternative to dairy milk. The ingredients include water, oats, and sunflower lecithin, with no added sugars or artificial preservatives. This oat milk is a good source of fiber and essential nutrients such as calcium, vitamin D, and riboflavin​

It comes in two main varieties: sweetened and unsweetened. The unsweetened version has 1 gram of naturally occurring sugar per serving, while the sweetened version has a mild sweetness. It's also non-GMO and glyphosate-free, so it is a safe and healthy choice for those looking to reduce their intake of animal-based products​

Additionally, Kirkland oat milk's creamy texture makes it a great addition to smoothies, coffee, and cereals.

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The ingredients of Costco oat milk are derived from plant-based and vegan sources

3. Nutritional of Costco oat milk

The tables of nutrition for Serving Size 1 Bottle (240ml)

Nutrient

Amount Per Serving (240ml)

% Daily Value (DV)

Calories

120

-

Total Fat

5g

6%

Saturated Fat

0.5g

3%

Trans Fat

0g

-

Cholesterol

0mg

0%

Sodium

95mg

5%

Total Carbohydrate

16g

6%

Dietary Fiber

2g

7%

Total Sugars

7g

-

Protein

3g

-

Vitamin D

0.4mcg

20%

Calcium

390mg

30%

Iron

0.35mg

2%

Potassium

50mg

0%

Vitamin A

90mcg

10%

Riboflavin

0.30mg

25%

Vitamin B12

0.6mcg

25%

Costco's Kirkland Signature Oat Milk offers several health benefits that make it a popular choice among consumers, especially those looking for a plant-based milk alternative. Here are the key benefits:

  • Low-Calorie Option: With just 120 calories per 240ml serving, it provides a lighter alternative to dairy milk, making it ideal for those managing calorie intake​
  • Heart-Healthy Fat Profile: It contains only 5g of total fat, including 0.5g of saturated fat, which is beneficial for maintaining heart health​
  • Good Source of Fiber: Each serving has 2g of dietary fiber, which can support digestion and help stabilize blood sugar levels​
  • Protein: With 3g of protein per serving, it helps with muscle recovery, energy production, and overall body function​
  • High in Nutrients:
    • Calcium: A significant source of calcium (390mg per serving), which is essential for bone health​
    • Vitamin D: 0.4mcg of vitamin D per serving, contributing to bone and immune system support​
    • Riboflavin (Vitamin B2): 0.3mg per serving, which aids in energy production​
    • Vitamin B12: 0.6mcg, supporting nerve function and red blood cell production​
  • Cholesterol-Free: Ideal for those looking to reduce their cholesterol intake, Costco oat milk is free from cholesterol​
  • Lactose-Free and Vegan: This oat milk is perfect for those who are lactose intolerant or follow a vegan diet​
  • Low Sodium Content: At 95mg of sodium per serving, it's a good option for those looking to maintain a low-sodium diet​

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The nutrition profile of Costco oat milk is incredibly diverse and complete, rivaling that of other brand

See other:

4. Benefit of Costco oat milk

Costco's Kirkland Signature Oat Milk offers several notable health benefits:

  • Vegan and Lactose-Free: This oat milk is plant-based and suitable for vegans, making it an excellent dairy alternative for those avoiding animal products or lactose. It provides a safe and delicious option for those with lactose intolerance​
  • Rich in B Vitamins: Costco oat milk is a great source of B vitamins, including riboflavin (B2) and vitamin B12. These vitamins are essential for energy production, metabolism, and overall cellular health​
  • May Lower LDL Cholesterol: Some studies suggest that oat-based products, like oat milk, may help lower LDL (bad) cholesterol levels due to the presence of beta-glucan, a type of soluble fiber found in oats​
  • Supports Bone Health: Fortified with calcium and vitamin D, Costco oat milk helps maintain strong bones. Calcium is essential for bone density, while vitamin D aids in calcium absorption​

However, Costco oat milk is considered to have a sweeter taste compared to other oat milk brands, so you may want to consider this before making your choice.

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The benefits of Costco oat milk for health are truly significant

5. Costco oat milk price

The price of Costco's Kirkland Signature Oat Milk is $11.89 for a six-pack of 32-ounce containers, which works out to approximately $0.062 per ounce. This makes it roughly twice as expensive as Costco's Almond Milk. On the Costco website, Califia Farms Oat Milk is priced about 28% higher per ounce than Kirkland's oat milk. Currently, other oat milk brands are not available in some Costco warehouses, but the prices can vary based on location​

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Costco oat milk is affordable and not too expensive to use

6. FAQs

Is Costco oat milk gluten-free? 

Costco’s Kirkland Signature Oat Milk is not labeled as gluten-free. While oats themselves are naturally gluten-free, they are often processed in facilities that handle wheat, which could lead to cross-contamination. Therefore, if you have celiac disease or gluten sensitivity, it's best to check the product packaging for any specific gluten-free certification or warnings.

Is Costco oat milk good? 

Costco oat milk is highly regarded for its creamy texture and rich flavor, making it a popular choice for people seeking a dairy-free alternative. It is fortified with essential nutrients like calcium, vitamin D, and B vitamins. However, some consumers note that it tends to be sweeter than other oat milk brands, so if you're sensitive to sweetness, you may want to consider that before purchasing. 

In conclusion, Costco oat milk is not just a convenient and delicious alternative to traditional dairy milk but also a nutritious choice for those seeking a plant-based lifestyle. With its rich nutritional profile, versatility in recipes, and suitability for various dietary needs, it’s no surprise that this product has become a favorite among health-conscious consumers.

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