Petoteco started with a simple frustration: why couldn't we find a calming supplement that actually worked — and was honest about why?
We're pet parents first. The research came later — out of necessity, not ambition.
We'd tried the popular calming chews. The ones with the serene dogs on the packaging and the vague "proprietary blend" on the label. Some helped a little. Most didn't. And none of them could tell us why — or even exactly what was in them.
So we started reading. Veterinary research. Neuroscience papers. Studies on the gut-brain axis. What we found changed how we thought about dog anxiety entirely.
Anxiety in dogs isn't a single problem with a single solution. It operates across three connected systems simultaneously — and almost every product on the market was only addressing one of them.
Dog anxiety isn't a single-system problem. It never was.
Neurotransmitters like serotonin, GABA, and dopamine govern how calm or anxious the brain feels moment to moment. Ingredients like L-Theanine, Chamomile, and Passion Flower work here — directly calming neural overactivation.
The HPA axis — the body's cortisol regulation system — determines the dog's baseline anxiety level. Adaptogens like Ashwagandha and L-Tryptophan work here, gradually lowering the chronic stress response over weeks of daily use.
Approximately 70% of serotonin is produced in the gut. A disrupted microbiome means disrupted neurotransmitter production — and anxiety that no amount of brain-targeted ingredients can fully address. Probiotics and prebiotics work here.
ZenBelly was designed from the ground up to work across all three simultaneously. That's why it contains 10 active ingredients — not one or two.
Every ingredient listed with its exact amount per chew. No proprietary blends. No hiding behind totals. You deserve to know exactly what you're giving your dog.
We chose to go the harder route. Real botanical calming through chamomile, passion flower, and ashwagandha — not hemp, not sedatives. Calm without compromise.
Tapioca and pea flour base. Easy on sensitive stomachs. No wheat, corn, or soy fillers that could undermine the gut health we're working to support.
We stand behind ZenBelly. If it's not working for your dog, reach out. We'll make it right — because a nervous dog helping nobody, and neither does a product that sits unused.
Whether it's a question about your order, the formula, or just a photo of your dog doing better — our inbox is always open.
We typically respond within one business day.