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If you’ve ever stood in front of the oat milk shelf wondering what “original,” “extra creamy,” and “barista” actually mean, you’re not alone. Every brand labels it differently, and the ingredient lists range from three simple items to a dozen.
So I gathered friends for a blind taste test, scored every unsweetened oat milk we could find, and narrowed it down to the best oat milk brands for smoothies, coffee, and the cleanest ingredients. No more guessing (or wasting money).
Want even more non-dairy milk alternatives? Check out my Almond Milk Brand Guide and Coconut Milk Brand Guide.
Table of contents
Best Oat Milk for Smoothies
Oat milk makes smoothies creamy with a mild, slightly sweet flavor that lets the fruit shine. It’s my favorite base for my Banana Oatmeal Smoothie or a thick oat smoothie bowl. These two blend the smoothest:
Oatly Original Oatmilk
Creamy, mild, and sold almost everywhere. It blends right in without stealing the show, and the half-gallon carton lasts all week. The trade-off is added oil and a longer ingredient list.
120 calories, 3g protein (1 cup) | $4.49
Califia Farms Extra Creamy Oatmilk
My top smoothie pick. Rich and creamy with no gums, so smoothies come out velvety instead of slimy, and it was one of the lowest in sugar of the brands we tried.
110 calories, 2g protein (1 cup) | $4.18
Best Oat Milk for Coffee
For Matcha Lattes, a Golden Milk, or a Cinnamon Dolce Latte, reach for a barista blend. They have a little more body, so they froth into thick foam and won’t split in hot coffee. Here are the three that impressed us most:
Califia Farms Organic Oat Barista Blend
Organic, only four ingredients, and no gums, yet it still steams and froths beautifully. It’s sold in 6-packs, so it costs a bit more per carton.
130 calories, 1g protein (1 cup) | $6.19
Minor Figures Barista Oat (Organic)
Made by coffee people for coffee. Organic, no added sugar, and a short ingredient list, with a silky foam that tastes like your favorite coffee shop. The shelf-stable cartons are easy to stock up on, yet the price is what stops me from using it often.
110 calories, 1g protein (1 cup) | $6.17
Oatly Barista Edition Oatmilk
My top pick for coffee. It froths into thick, glossy foam that holds its shape, never splits in hot coffee, and costs less than the rest. The ingredient list is longer, but for lattes nothing else comes close.
140 calories, 3g protein (1 cup) | $3.98
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Cleanest Oat Milk Brands
Most oat milks lean on oils, gums, and added minerals for texture. If you read labels like I do, these two keep it simple. Want it even simpler? My homemade oat milk takes just oats and water.
Oatly 4 Ingredient Oatmilk
Just oats, water, sea salt, and citrus fiber, with no oils or fortification. It’s a little lighter than Oatly Original but still smooth, and it’s easy to find in a big half-gallon.
80 calories, 3g protein (1 cup) | $4.49
Elmhurst Milked Oats Unsweetened
My top pick for clean ingredients. Only three: water, whole grain oats, and salt, with no gums, oils, or added sugar. Give it a good shake since it naturally separates.
100 calories, 3g protein (1 cup) | $6.79
Rating System for Oat Milk Brands
Brands call their basic version “original,” “plain,” “less sweet,” or “unsweetened,” so we compared the simplest unsweetened version each brand makes (no flavors or added sugar) and scored it on three things:
- Ingredients: Short, simple lists scored highest. Added oils, gums, and long lists of additives lowered a brand’s score.
- Flavor: Mild and oaty, not bland, bitter, or sweet.
- Texture: Creamy body that blends smooth and doesn’t separate in hot coffee.
Common Questions
Oatly Barista Edition is my favorite overall, and it froths into the best foam for coffee. For smoothies, Califia Farms Extra Creamy Oatmilk is rich and creamy with no gums, and for the simplest ingredients, Elmhurst Milked Oats is just water, oats, and salt.
Barista oat milk has a little more body (usually from a touch of added oil), so it steams into thick foam and won’t separate in hot coffee. Regular oat milk is lighter, which makes it better for smoothies, cereal, and sipping.
Yes, a little. During processing, enzymes break some of the oat starch into natural sugar, so even unsweetened oat milk lists a few grams. Look for no added sugar on the label, and remember that amounts vary widely between brands.
Oats are naturally gluten free, but they’re often processed alongside wheat. If you need to avoid gluten, look for oat milk labeled certified gluten free and always read the ingredient list closely.
Most brands say to use opened oat milk within 7–10 days, kept in the fridge. Unopened shelf-stable cartons last for months in the pantry, so they’re easy to stock up on. Shake before pouring since oat milk naturally separates.
Both work great! Oat milk is creamier with a mild, slightly sweet flavor, so smoothies taste rich and velvety. Almond milk is lighter and lower in calories, and the cleanest brands are just almonds and water. See my Almond Milk Brand Guide for my top picks.
Yes, and all it takes is oats, water and a quick blend. Use cold water, don’t overblend, and strain well so it stays smooth instead of slimy. Here’s my step-by-step guide to homemade oat milk.
Thank you! I have been drinking oatly since discovering oat milk and like it better than almond!.
I agree! Since I’ve discovered oat milk, I have been using it more and more. And it’s great to have a review of so many of the options available!
I agree about Califa, but I like the barista blend best. I bought it for my coffee, but definitely use in other things.
The barista blend makes a great froth when I mix up a drink in my Vitamix. 🙂
Thank you for this amazing research Jen and your work in general. I’ve been following you ever since attending your workshop at WWS (5, 6 years ago?) — best workshop by the way! — and I think you’re a total Rawkstar.
I live in Quebec, Canada and we don’t have nearly as many choices for Oat Milks but I do love Earth’s Own Barista Edition and it’s a Canadian company!
Cheers! To Oatmilk!
So glad you found this helpful, Caroline! Cheers!
Can you do a coconut milk round up/review??
I will let Jen know that’s been requested! 🙂
I was most shocked that Silk scored so poorly! Can’t wait to try out some of these new brands.
Me too!