Supplements
Natural Supplements for Pet Anxiety
The supplement aisle can feel overwhelming. We break down the science so you can choose with confidence.
The pet supplement market is booming. It's expected to reach over $3.1 billion in the U.S. by 2027, with calming products leading the growth. [Grand View Research, 2024] That means more choices for you — but also more confusion.
Not every calming supplement works the same way. Some target serotonin. Others support GABA receptors. A few do very little at all. The difference between a helpful supplement and a wasted purchase often comes down to ingredients, dosing, and your pet's specific needs.
We built this section to cut through the noise. Every guide here is researched, vet-informed, and written in plain language. Whether you're curious about CBD, considering melatonin, or just want to know which ingredients actually have evidence behind them — you'll find it below.
All Supplement Articles
CBD for Dogs: What Your Vet Probably Hasn't Told You
How CBD works in your dog's body, what the research says, and how to use it safely.
The Complete Guide to Calming Ingredients for Pets
L-theanine, melatonin, chamomile, valerian, and more — what works and what doesn't.
Melatonin for Dogs: Dosing, Safety, and What Vets Say
A practical guide to using melatonin for anxiety, sleep, and seasonal issues.
Best CBD Oils for Dogs (2026)
Our top five picks, compared on potency, purity, and value.
A note on supplements: Natural supplements can be a helpful part of your pet's anxiety plan, but they're not a replacement for veterinary care. Always talk to your vet before starting a new supplement — especially if your pet takes medication.