Lemon Balm for Dogs: What the Science Says

Most calming herbs in the dog-supplement world borrow their reputation from human studies, lab models, and old tradition – not from research on actual dogs. Lemon balm is one of the rare exceptions. In 2025, a randomized, placebo-controlled study tested it directly in dogs, and the results are a big part of why it anchors every Nuvi chew.

Here’s what the science says, what it doesn’t, and why we think lemon balm deserves far more attention than it gets.

What Lemon Balm Actually Is
Lemon balm (Melissa officinalis) is a lemon-scented member of the mint family that people have leaned on for its soothing properties since antiquity. In humans, its calming effects are well documented. The open question was always whether those benefits carried over to dogs – and honestly, almost no one had properly tested it. That changed in 2025.

What the New Research Found
Researchers gave healthy beagles a daily lemon balm leaf extract and measured their behavior under mild everyday stress. Compared with a placebo, the lemon balm group showed meaningfully better behavior scores. Three things stood out to us as a brand:

The benefit built up over time. Improvements showed up after four weeks of daily supplementation – not after a single dose. That’s exactly how we’ve always talked about Nuvi: a daily ritual, not an emergency switch. You build calm the way you build any good habit, a little each day.

The whole plant seemed to matter. Lemon balm’s best-known active is rosmarinic acid – but in the study, it was the full leaf extract, not that single isolated compound, that was tied to the behavioral improvement. With botanicals, the complete plant profile often does more than any one “magic molecule.”

Calm without knocking the dog out. This is the part we love most. The dogs got calmer without losing appetite or energy – no grogginess, no wobble, no zombie effect. Researchers even traced possible changes in calming-related (GABA) and gut-brain pathways as a candidate explanation, though that mechanism is still a working hypothesis, not settled fact.

Calm, Not Sleepy – Why That Distinction Matters
A lot of “calming” products work by slowing a dog down. That can leave them drowsy, unsteady, or checked-out – which isn’t calm, it’s just sedated. Lemon balm points to a different idea: helping a dog feel more settled while staying fully themselves. Bright eyes, normal appetite, ready to play and walk – just with less of the edge. For everyday stressors like car rides, visitors at the door, or a busy household, that’s the kind of calm we actually want.

Why So Few Chews Use Lemon Balm – and Nuvi Does
If lemon balm has some of the strongest dog-specific evidence of any calming herb, why isn’t it everywhere? Because it’s an unfashionable, harder choice. The category leans on a familiar handful of ingredients, and quality lemon balm extract is harder to source and formulate well. We’d rather build around what the science points to than around what’s cheap and expected. Every Nuvi chew pairs lemon balm with a thoughtfully chosen supporting cast – designed for daily use and a taste dogs actually want. No sedatives. No shortcuts. See the full breakdown on our ingredients page.

How to Get the Most From It
If the research tells us one thing, it’s that consistency wins. The benefits showed up over weeks of daily use – so the best results come from making Nuvi part of your dog’s everyday routine, not something you reach for only on a hard day. Give it time, give it daily, and let the calm build.

The Bottom Line
Lemon balm is one of the rare calming herbs with real, dog-specific evidence behind it – evidence that points to calm without sedation, working best as a daily habit. That’s not a trend we jumped on. It’s the science we built Nuvi around.

Nuvi chews are a nutritional supplement, not a medicine, and aren’t intended to diagnose, treat, or cure any condition. If your dog has significant anxiety or behavioral issues, please talk to your vet.

Reference: Roy A-S, Aberkane F-Z, et al. “Metabolomics provides novel understanding of Melissa officinalis mechanism of action ensuring its calming effect on dogs.” BMC Veterinary Research (2025) 21:459.