🚨 Check for Xylitol Before Using Any Melatonin Supplement
Many chewable and gummy melatonin supplements contain xylitol — lethal to dogs. The ingredient list should show only melatonin plus a filler. Never give gummies or chewables without confirming they are xylitol-free.
💊 Melatonin Dose Calculator for Dogs
Enter your dog's weight to get the standard reference dose. Always confirm with your vet.
Frequently Asked Questions
Look for plain melatonin tablets with minimal ingredients. Dog-specific brands like VetriScience Composure and Zesty Paws are formulated without xylitol. For human brands, Natrol and Nature Made plain tablets are commonly xylitol-free — but always verify the current formula.
At correct doses, melatonin is well-tolerated. Too much causes excessive sedation. The bigger risk is xylitol in the supplement, not the melatonin itself.
Usually 4–8 hours. Effects typically begin within 30–60 minutes of giving.
Not recommended without vet guidance. Puppies' sleep-wake cycles are naturally different, and appropriate dosing for puppies is less well-established.
Melatonin is generally preferred for sleep regulation and mild anxiety. Benadryl is sometimes used but has more side effects. For significant anxiety, discuss prescription options (trazodone, gabapentin) with your vet.