| Per chew |  VetriScienceCalm & Confident (Composure) |  Zesty PawsCalming Bites (Turkey) |
|---|---|---|
| L-theanine | 21 mg | n/l |
| Melatonin | — | n/l |
| L-tryptophan | — | n/l |
| Thiamine (B1) | 134 mg | n/l |
| Chamomile | — | 80 mg |
| Hemp | — | hemp seed powder 50 mg per chew (hemp seed, not CBD) |
| Other actives | — | proprietary blend 105mg (valerian root, L-theanine as Suntheanine, L-tryptophan; amounts not disclosed), passionflower 45mg, ginger root 30mg, ashwagandha 25mg, magnesium citrate 15mg |
| Chews per day by weight | 0–50 lb: 1 51–100 lb: 2 over 101 lb: 3 | 0–25 lb: 1 26–75 lb: 2 over 76 lb: 3 |
| Per jar | 60 | 90 |
| Search on Amazon | Search on Amazon |
From manufacturer labels; n/l = not listed. Check the package before buying, formulas change.
Active ingredients side by side
VetriScience Composure (now sold as Calm & Confident, Composure formula)
Per chew: 21 mg L-theanine, 134 mg thiamine (vitamin B1), and 22 mg colostrum calming complex. No melatonin, hemp, or herbs.
Zesty Paws Calming Bites
Per chew (turkey formula): chamomile 80 mg, hemp seed powder 50 mg, passionflower 45 mg, ginger 30 mg and ashwagandha 25 mg, plus a 105 mg proprietary blend that contains L-theanine, valerian root and L-tryptophan (individual amounts not disclosed). No thiamine and no melatonin.
You cannot compare L-theanine doses directly, because Zesty Paws does not say how much of its 105 mg blend is L-theanine. Composure tells you every active amount; Zesty Paws discloses its herbs but not the blend.
What the evidence says
L-theanine: small, maker-linked dog studies with positive signals, at doses higher than one chew provides for a mid-size dog. See our L-theanine guide.
Thiamine and colostrum: mostly human and rodent rationale. VetriScience describes Composure as clinically tested, but we did not find an independent peer-reviewed trial of the chew. See our thiamine and colostrum guide.
Botanicals: valerian, passionflower, chamomile, and ashwagandha have little controlled dog research, and valerian's amount is hidden inside the blend. See our botanicals guide. The hemp in Zesty Paws is hemp seed, not CBD; see our hemp seed vs CBD guide.
Dosing by weight (from the labels)
| Dog weight | Composure | Zesty Paws |
|---|---|---|
| Up to 25 lb | 1 chew (some listings say 1/2) | 1 chew |
| 26 to 50 lb | 1 chew | 2 chews |
| 51 to 75 lb | 2 chews | 2 chews |
| 76 to 100 lb | 2 chews | 3 chews |
| Over 100 lb | 3 chews | 3 chews |
At 26 to 50 lb, Zesty Paws doubles the chew count, so your dog gets 160 mg chamomile and two servings of the blend, though the L-theanine total is not disclosed. VetriScience allows doubling Composure in high-stress situations. Zesty Paws listings suggest starting at half the dose.
Onset and daily vs situational use
Composure is marketed for both uses; the 30 minute onset and four hour claim belong to Composure Pro, not the regular chew. Zesty Paws is sold mainly as a daily chew and gives no onset time. For a one-time event, Composure is the one marketed for situational use.
Who should choose which
- Small dogs: both have one-chew doses; check the Composure bag for a half-chew step.
- Storms: Composure, for its stated quick onset. Severe noise phobia usually needs a vet plan.
- Daily stress: either. Zesty Paws if you want herbs; Composure if you want known amounts.
- Sensitive stomach: Composure's shorter list is easier to troubleshoot, though colostrum is dairy-derived.
- Dogs on medication: valerian and ashwagandha in Zesty Paws raise more interaction questions with sedatives. Ask your vet.
Frequently asked questions
Which works faster, Composure or Zesty Paws?
VetriScience's "within about 30 minutes, up to four hours" claim is made for Composure Pro, not the regular Composure chew. Zesty Paws does not publish a specific onset time on the label pages we found. Owner reports for both vary widely, so try either one ahead of a minor event before relying on it for a big one.
Do both contain L-theanine?
Yes. Composure lists 21 mg per chew. Zesty Paws includes L-theanine in a 105 mg proprietary blend with valerian and L-tryptophan but does not disclose its amount, so the two cannot be compared mg for mg. Composure adds thiamine and colostrum, while Zesty Paws adds chamomile, passionflower, ginger, ashwagandha, and hemp seed powder.
Is Composure better for a dog with allergies?
Composure has a shorter active list, which can make a reaction easier to trace. It does contain colostrum, which is dairy-derived. Zesty Paws has more botanicals plus hemp seed. For a dog with known food allergies, read the inactive ingredients and the protein flavor carefully, and check with your vet.
Can I switch from Zesty Paws to Composure?
Most owners switch without a taper, since neither is a drug. Avoid giving both on the same day so you can tell which one is having an effect, and watch for stomach upset in the first few days. If your dog takes prescription medication, check with your vet before switching.