Is Planet Oat Oatmilk Healthy? A Comprehensive Look

November 13, 2025 •

2 min read

According to a 2024 report, oat milk has surpassed other plant-based milks to become Britain's top choice, and Planet Oat is a major player in the US market. As its popularity soars, so do questions about its nutritional value, with many asking, 'Is Planet Oat oatmilk healthy?'.

Quick Summary

A detailed analysis of Planet Oat oatmilk's nutritional value, ingredients, and processing methods. This content compares Planet Oat to dairy and other milk alternatives, discusses potential health benefits and drawbacks, and highlights the importance of choosing unsweetened, fortified varieties.

Key Points

Nutritional Profile Varies by Flavor: Planet Oat offers several varieties, with unsweetened options having zero grams of sugar and lower carbohydrates compared to the Original or flavored versions.
Lower Protein than Dairy: Planet Oat oatmilk contains only 2g of protein per serving, significantly less than the 8g found in cow's milk.
Rich in Fortified Nutrients: Most Planet Oat products are fortified with calcium and vitamins A, D, and B12, which are beneficial for those on plant-based diets.
Potential for Added Sugars: The Original and other sweetened versions contain added sugars, which can contribute to high sugar intake.
Contains Additives: Stabilizers like gellan gum are used to create a creamy texture but may cause digestive issues for sensitive individuals.
Heart Health Benefits: As an oat-based product, it contains beta-glucans, a soluble fiber linked to lower cholesterol and heart health benefits.
Ultra-Processed Food: Due to its manufacturing, commercial oatmilk like Planet Oat is considered an ultra-processed food.
Allergy-Friendly: It is a good dairy, soy, and nut-free alternative for individuals with allergies or dietary restrictions.

What's Inside the Carton: A Nutritional Breakdown

When assessing the healthiness of any food product, examining its nutritional label is essential. A 1-cup (240mL) serving of Planet Oat's Original oatmilk contains approximately 90 calories, lower than whole milk but higher than many almond milks. It has 1.5g total fat (0g saturated), 20g total carbohydrates (with unsweetened having 9g), and 3g of added sugar in the Original flavor, while unsweetened has 0g. Protein is low at 2g, less than cow's or soy milk.

The Role of Fortification and Additives

Planet Oat fortifies its oatmilk with important nutrients like calcium (350mg, 25% DV), Vitamin D2 (4mcg, 20% DV), Vitamin A, B12, and Riboflavin. Additives such as gellan gum and dipotassium phosphate are included for texture but may cause issues for sensitive individuals. Some varieties contain sunflower oil, and the product is ultra-pasteurized for shelf life.

Potential Health Benefits and Drawbacks

Planet Oat oatmilk offers potential health pros and cons.

Pros of Planet Oat Oatmilk

Allergy-Friendly: Free from dairy, soy, and nuts.
Heart Health: Contains beta-glucans which may lower LDL cholesterol.
Bone Health: Fortified with calcium and vitamin D.
Convenience: Versatile and hydrating.

Cons of Planet Oat Oatmilk

Lower Protein: Significantly less than cow's milk.
Added Sugar: Present in Original and flavored varieties, increasing carb load.
Ultra-Processed: Considered a UPF due to manufacturing.
Additives: Gellan gum may cause digestive discomfort in some.

Comparison Table: Planet Oat Original vs. Other Milks

Here's how a 1-cup serving of Planet Oat Original compares to Whole Cow's Milk and Unsweetened Almond Milk:


Nutritional Aspect	Planet Oat (Original)	Whole Cow's Milk	Almond Milk (Unsweetened)
Calories	~90 kcal	~150 kcal	~30-40 kcal
Protein	2g	8g	1g
Total Fat	1.5g	8g	~2.5g
Saturated Fat	0g	4.6g	0g
Carbohydrates	20g	12g	1-2g
Added Sugar	3g	0g	0g (for unsweetened)
Fiber	2g	0g	~1g
Calcium	350mg (fortified)	~300mg	~450mg (fortified)
Vitamin D	4mcg (fortified)	2.5mcg (fortified)	~2.5mcg (fortified)

How to Choose the Healthiest Option

Choosing the right Planet Oat oatmilk depends on your dietary needs. Unsweetened versions are healthier due to zero added sugar. Be mindful of additives if you have a sensitive stomach. It is not a nutritional substitute for cow's milk in young children.

Conclusion: So, is Planet Oat oatmilk healthy?

The healthfulness of Planet Oat oatmilk is relative. Unsweetened, fortified varieties can be a healthy option for those on a balanced vegan diet. However, Original and flavored versions are higher in sugar and should be consumed in moderation. Always check the label and align your choice with your health goals. It can be part of a healthy diet when chosen carefully.

Visit Planet Oat for full product nutritional information

Frequently Asked Questions

The Original Planet Oat oatmilk contains 3g of sugar, all listed as added sugars. However, the unsweetened varieties contain zero grams of sugar, with any present being a natural byproduct of the oats' enzymatic processing.

While oats are naturally gluten-free, cross-contamination during processing can occur. Planet Oat products are not certified gluten-free, so consumers with celiac disease or severe gluten sensitivity should be cautious.

Planet Oat oatmilk is generally higher in calories and carbohydrates than unsweetened almond milk but also provides more fiber. Both are typically fortified with similar vitamins and minerals, though protein levels remain low for both compared to dairy or soy milk.

No, with only 2g of protein per cup, Planet Oat oatmilk is not a significant source of protein. It contains considerably less protein than cow's milk or soy milk.

Yes, because it is made from oats, it contains beta-glucans, a soluble fiber that has been shown to help lower LDL cholesterol levels and support heart health.

For some sensitive individuals, the added gums and stabilizers like gellan gum found in commercial oatmilk products may cause gastrointestinal discomfort, including bloating and gas.

Oatmilk is not recommended as a complete substitute for cow's milk in children under five, as it lacks the necessary fat and protein for optimal growth and development. Consult with a pediatrician before introducing it into a child's diet.