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VetriScience will be closed Monday 12/25 through Monday 1/1 for our holiday shutdown. Orders placed during this time will be shipped after we reopen for business on Tuesday, 1/2.

Due to a high number of holiday orders, we are temporarily pausing the ability to place new orders on We're currently working to get all of the orders that have been placed out the door as quickly as we can. We'll begin accepting new orders again soon. You can still purchase products from many of our retail partners. See more details here.

Composure™ Long Lasting Calming Supplement for Dogs

Recommended for:
  • Supporting separation anxiety training plans
  • Managing stress during boarding or kenneling
  • Promoting calm behavior for vet and grooming appointments
  • Supporting relaxation during social gatherings
  • Helping transition during routine changes
Fast-acting, long-lasting calming chews for dogs promote calmer behavior and help reduce stress & unwanted behaviors for up to 8 hours.*

Get 15% Off All Composure Products, Use Code 'BOO15'. 
*Excludes VetriScience Pro Line Products.

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What is Composure™ Long Lasting used for?

Composure™ Long Lasting supports calmer behavior, relaxation, and stress reduction in dogs for up to 8 hours with just one dose.* Use before periods of separation, thunderstorms, fireworks, car travel, trips to the vet or groomer, holidays or parties, when guests come to visit, or whenever your dog needs some help relaxing! This formula may be particularly beneficial when used as part of a separation anxiety training plan.

Long-lasting calming chews with ashwagandha are available in a delicious chicken-liver flavor to delight your dog while you help them find their calm. This calming supplement can be given daily or as needed, and you may double or triple your dogs recommended dose during times of increased stress. These calming chews are not a sedative and wont dull your dogs shine.

How long do Composure™ Long Lasting chews last?

Composure™ Long Lasting calming chews have been shown in clinical testing to work within 30 minutes and last for up to 8 hours!* Studies showed that the anxiety-reducing properties of Composure™ calming chews with ashwagandha helped dogs to exhibit calmer, more relaxed behavior and reduced fearful activity.

Do vets recommend calming chews for dogs?

As more and more pet owners report observing anxious behaviors, including separation anxiety, more of the veterinary community recommends calming aids like Composure™ Long Lasting. Our full line of calming supplements for dogs is formulated by veterinarians, and VetriScience® calming aids are recommended by thousands of veterinary clinics nationwide.

Looking for our classic calming formula? Explore Composure™ chews in three delicious flavors, Composure™ for Small Dogs, or Composure™ Max Liquid for picky pets. This fast-acting formula is shown to last for up to 4 hours.*

*CanCog Technologies Study “Assessment of Anxiolytic Properties of a Novel Compound in Beagle Dogs with a Noise-Induced Model of Fear and Anxiety”

Directions for Use: Up to 50 lbs: 1 chew daily.
51-100 lbs: 2 chews daily.
Over 100 lbs: 3 chews daily.
Product can be given daily or on an as-needed basis. It is safe to double or triple the dose in times of increased stress.

Mood & Memory

Cognitive Health


Ingredient Highlights

Shoden® ashwagandha (Withania somnifera) extract is a multi-patented and highly bioavailable form of one of the oldest and most well-researched herbs for supporting calm and relaxation. Shoden® ashwagandha is clinically proven to help reduce stress and promote improved sleep quality. Ashwagandha also helps support immune system health and may promote improved physical comfort.

Colostrum Calming Complex® is a patented biopeptide blend of colostrum proteins. These proteins are heavily researched and have been found to have a calming effect on animals, reduce stress, and support cognitive function. In this formula, Colostrum Calming Complex® works with L-theanine to support both relaxation and healthy cognition.

Thiamine (Vitamin B1) is an essential vitamin that is important for healthy nervous system function. It has been shown to help manage stress and irritability without sedative effects. Dogs lacking in Thiamine may show an increase in nervous behaviors and confusion.

L-Theanine is a naturally occurring amino acid that has been researched for decades. Studies show that it supports calm behavior and relaxation through the production of serotonin and dopamine, which directly affect mood and cognition. L-theanine can also help to balance neurotransmitters and promote focus and attention.

Storage instructions: Store in a cool, dry place.

The VetriScience® Difference

NASC Quality Certified; Highly researched ingredients; Manufactured in the USA from US & Globally sourced ingredients; 100% satisfaction guarantee.NASC Quality Certified; Highly researched ingredients; Manufactured in the USA from US & Globally sourced ingredients; 100% satisfaction guarantee.

Pet Sake Promise logo

Our Pet's Sake Promise™ is our pledge - to always think of your pet as our own and provide them with the innovative supplements to help them feel their best.

Made in a safe quality food (SQF) certified & FDA Registered facility; Veterinarian formulated & recommended; No artificial flavors; No synthetic colors or preservatives.Made in a safe quality food (SQF) certified & FDA Registered facility; Veterinarian formulated & recommended; No artificial flavors; No synthetic colors or preservatives.