It’s everywhere right now. Cafés, social media, morning routines — matcha has quickly become one of the most popular drinks people swear by. Known for its antioxidants and smooth energy boost, it’s often seen as a healthier alternative to coffee. But recently, dentists have started raising concerns about something many people never expected — what this trendy drink could be doing to your teeth.

The issue being talked about is what some are calling “matcha mouth.” Over time, frequent consumption can lead to staining, leaving teeth looking darker or slightly greenish in tone. While it may not happen overnight, the natural pigments in matcha can cling to enamel, especially if oral hygiene isn’t consistent. For people who drink it daily, the change can become noticeable faster than expected.

But it’s not just about appearance. Some experts also point out that how you drink it matters. Sipping slowly throughout the day or adding sweeteners can increase the time your teeth are exposed to compounds that may affect enamel. Just like with coffee or tea, it’s not necessarily the drink itself — it’s the habits around it that can make the difference.

What surprises many people is that something marketed as “healthy” can still have downsides when it comes to dental health. That doesn’t mean you need to stop drinking matcha altogether, but it does mean being aware of how often and how you consume it. Small changes in routine can make a big difference over time.

In the end, matcha isn’t the enemy — but ignoring its effects might be. Like many things, balance is key. Because even the healthiest habits can come with unexpected consequences if you’re not paying attention.