Calming chew ingredients, explained
What each common calming-chew ingredient does, how strong the evidence in dogs is, and the doses used in studies, with sources.
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Most calming chews mix the same handful of actives. Each guide covers the evidence in dogs, doses used in studies by weight, safety and interactions, and which chews contain how much.
All ingredients guides
Chamomile, Valerian, Passionflower and Other Botanicals in Calming Chews
What dog studies show for chamomile, valerian and passionflower in calming chews, dose figures, paradoxical excitement and sedative interactions.
Hemp Seed vs CBD in Calming Chews for Dogs
Hemp seed oil is not CBD. What dog studies (Morris 2020, Corsetti 2021) found, study doses in mg/kg, liver and drug safety, and the FDA's stance.
How Long Do Calming Chews Take to Work?
Calming chews take about 30 minutes to 2 hours to work, depending on the ingredient. Onset and duration for L-theanine, melatonin, CBD and herbs.
L-Theanine for Dogs: Dose, Evidence, and Safety
L-theanine for dogs: Anxitane-based doses by weight, what the small dog studies show, side effects, and how to read mg on calming chew labels.
L-Tryptophan for Dogs: Dose, Evidence, and Safety
L-tryptophan for dogs: what aggression and anxiety studies found, why no set dose exists, serotonin syndrome risks, and label tips.
Melatonin for Dogs: Dose, Evidence, and Safety
Melatonin for dogs: Merck and mg/kg dose ranges, what the evidence shows, xylitol and drug cautions, and mg vs mcg on chew labels.
Thiamine and Colostrum Calming Complex in Dog Calming Chews
What Colostrum Calming Complex and thiamine do in calming chews, who funded the Composure studies, label doses, onset claims and safety for dogs.