Why Oat Milk Is Everywhere
Nolan O'Connor
| 29-06-2026

· Cate team
Hi, Readers! If you've been to a coffee shop recently, you might have noticed something: oat milk is basically everywhere now.
It's on the menu board, it's in the fridge at the grocery store, and your health-conscious friends probably already have a carton at home. But how did this creamy little drink go from a niche specialty item to a full-on everyday staple?
Let's talk about it together.
Where Did Oat Milk Come From?
Oat milk traces its roots back to 1990, when it was originally invented by Rickard Öste at Lund University in Sweden. At the time, Öste was researching lactose-free milk alternatives and came across this unique oat drink by mixing oats, water, and an enzyme mixture. In the following years, sales remained relatively low, largely because of a lack of marketing and branding. However, in 2012, the company hired a new CEO who led a more sustainability-focused campaign, primarily focusing on millennials. That shift in direction changed everything.
The Taste Factor: Why People Actually Love It
One of the biggest reasons oat milk took off is simply because it tastes good, and not just "good for a plant-based option," but genuinely good. "Many consumers prefer oat milk because of its neutral taste and similar mouthfeel to cow's milk," making it popular among those who want to make a switch to plant-based milks. Oat milk also brings a natural hint of sweetness, especially when starches break down during processing. While some brands contain added sugar, unsweetened varieties rely on natural sugars. That subtle sweetness makes it feel approachable and comforting, not foreign at all.
Baristas Fell in Love First
Here's something interesting: the real push behind oat milk's rise came from inside coffee shops. It became an alternative milk favorite because its taste and texture are similar to dairy milk. "The reason it got so popular is that baristas loved how much it foamed like milk-milk." In 2017, a mere 10 coffee shops were stocking Oatly in the United States. Fast forward to 2019 and that number shot up to around 3,500 coffee shops in the country. That kind of growth in just two years is honestly remarkable.
It's a Greener Choice
Beyond taste, there's a deeper reason many people have switched to oat milk: it feels like the right thing to do for the planet. The environmental factors surrounding oat milk are part of the reason why it has become so popular. From beginning to end, the whole process of manufacturing oat milk has a low environmental impact and is a sustainable system. A 200 ml glass of oat milk requires about 0.8 square metres of land and 5 litres of water and emits just under 0.3 kg of CO2. Compare that to almond milk, which requires a staggering 74 litres of water for just one glass. For anyone who cares about living more gently on this Earth, that difference really matters.
Health Benefits That Speak for Themselves
Oat milk is not just good for the environment, it's also kind to your body. Oat milk has some real health benefits, like being naturally dairy-free, good for digestion, and even heart-friendly. It is smooth and satisfying, and this plant-based alternative is loaded with calcium and Vitamin D, essential for building strong bones. Because oat milk is soy-free and nut-free, it also becomes a go-to choice in allergy-sensitive environments like schools and childcare centres. That makes it one of the most inclusive options out there for families and communities with varied dietary needs.
Social Media Made It a Sensation
Of course, we can't talk about a modern food trend without mentioning social media. Social media and popular culture play a large role in popularizing oat milk. The hashtag #oatmilk has over 600,000 posts on Instagram and over 90,000 posts on TikTok. This social media presence helps to introduce people to the benefits of oat milk and creates a kind of societal influence to move away from cow's milk. Seeing it in so many feeds made it feel familiar and exciting at the same time.
A Global Trend That Keeps Growing
Oat milk retail sales in the U.S. rose over 50% to $527.44 million dollars in 2022. It has also grown explosively across Europe, Asia, and Latin America. As one co-founder of an oat milk brand shared, "The next few years will be challenging for the overall plant milk beverage category, but oat milk will continue to lead the market."
Whether you're switching for your health, the planet, or just because you really enjoy how it tastes in your morning cup, oat milk has clearly earned its place on the table. It's not just a passing trend, it's a real shift in how we think about what we drink every day. Give it a try if you haven't already, and let yourself be pleasantly surprised!