Calories in Oat Milk
Oat milk is a popular plant-based milk alternative made from oats and water. It is naturally lactose-free and often fortified with essential vitamins and minerals like calcium and vitamin D. Its nutritional profile typically includes carbohydrates from the oats, some healthy fats, and a moderate amount of protein.

Common Variations
| Variation | Serving | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 1 fl oz (31g) | 1 fl oz (31g) | 15 | 0.4g | 2g | 0.6g |
| 100 ml | 100 ml | 48 | 1.2g | 6.5g | 2g |
| 100 g | 100 g | 48 | 1.2g | 6.5g | 2g |
| 1 serving (245 g) | 1 serving (245 g) | 117 | 3g | 15.9g | 5g |
Health Benefits
Lactose-free, making it suitable for individuals with lactose intolerance or dairy allergies.
Contains beta-glucans from oats, which may help lower cholesterol levels and support heart health.
The fiber content supports a healthy digestive system and can contribute to feelings of fullness.
Nutrition Tips
- Opt for unsweetened oat milk to significantly reduce your intake of added sugars.
- Check the label for fortification with calcium and vitamin D, especially if using it as a primary dairy alternative.
- Be mindful of serving sizes, as calories can accumulate quickly, particularly with sweetened or barista varieties.
- Oat milk can contribute to your daily fiber intake, which is beneficial for digestive health.
- Enjoy oat milk in smoothies, coffee, or cereal for a creamy texture and mild, slightly sweet flavor.
GAYA Tracking Tip
When tracking oat milk, especially in beverages like coffee or smoothies, estimate the volume accurately. For best results, measure the amount poured before mixing, as GAYA can identify the liquid volume more precisely when isolated.
Frequently Asked Questions
Is oat milk high in calories?+
The calorie content of oat milk varies by brand and type. Unsweetened versions typically contain around 120-130 calories per cup, which is comparable to or slightly higher than skim milk but generally lower than whole milk. Sweetened or barista blends will have more calories due to added sugars or fats.
Does oat milk contain sugar?+
Yes, even unsweetened oat milk contains naturally occurring sugars from the oats, usually around 7 grams per cup. Sweetened varieties will have additional added sugars, significantly increasing the total sugar content, so it's important to check the nutrition label.
Is oat milk a good source of protein?+
Oat milk provides a moderate amount of protein, typically around 3 grams per cup. While it's not as protein-rich as dairy milk or soy milk, it contributes to daily protein intake and can be part of a balanced diet when combined with other protein sources.
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