Best Calming Supplements and Aids for Dogs

The best calming supplements and aids for dogs depend on what is making your dog anxious or stressed. Some dogs need help relaxing during thunderstorms or fireworks. Others struggle when left alone, become nervous during car rides, or have difficulty settling down at night.

Common calming options for dogs include L-theanine, alpha-casozepine, melatonin, hemp or CBD products, pheromones, pressure wraps and enrichment tools. Behavioral strategies such as exercise, predictable routines, desensitization and counterconditioning can also make a significant difference.

No single calming aid works for every dog. The best approach is to match the solution to your dog's triggers and use calming supplements for dogs as part of a broader plan when necessary.

What Are the Best Calming Supplements and Aids for Dogs?

Some of the most commonly used calming supplements and aids for dogs include:

These options work in very different ways. That's why it's more useful to ask which calming aid fits your dog's particular situation than to look for one universally "best" product.

How Do Dog Calming Supplements Work?

Dog calming supplements use ingredients intended to support pathways involved in relaxation, sleep, stress response or normal nervous system function.

They aren't all sedatives.

For example, L-theanine is an amino acid that may influence neurotransmitters associated with relaxation. Melatonin helps regulate the body's sleep-wake cycle. Other ingredients target different biological pathways associated with stress.

A good calming supplement should help your dog cope with stressful situations without unnecessarily making them heavily sedated.

You can find different formulations in Prana Pets' calming supplements for dogs, including natural options designed to support relaxation and calmer behavior.

1. L-Theanine for Dogs

L-theanine is an amino acid naturally found in tea leaves that is commonly included in calming supplements for dogs. Rather than acting as a traditional sedative, it's used to support relaxation and a calmer response to environmental stress.

Some veterinary research supports its potential.

A small clinical trial involving dogs with storm sensitivity evaluated an L-theanine-based supplement alongside behavioral recommendations. Researchers reported improvements across several owner-reported measures of storm-related anxiety, although the study was small and did not include a placebo control.

L-theanine may be worth discussing with your veterinarian when your dog experiences:

• Noise sensitivity
• Situational nervousness
• Environmental stress
• Difficulty relaxing

Its non-sedating nature can make it particularly attractive when you want to encourage calm behavior without simply making your dog sleepy.

2. Alpha-Casozepine for Dogs

Alpha-casozepine is a milk-derived peptide used in some veterinary calming supplements to support relaxation during stressful situations.

It is derived from casein, a protein naturally present in milk.

Research has investigated alpha-casozepine for several forms of canine stress. A randomized controlled trial comparing alpha-casozepine with selegiline in dogs experiencing anxiety-related disorders found improvements in both groups, although the researchers noted limitations in demonstrating equivalence between the treatments.

Alpha-casozepine may be considered for dogs dealing with environmental changes, general nervousness or predictable stressful events.

3. Melatonin for Dogs

Melatonin may be one of the more useful calming aids when your dog's primary problem involves sleep, nighttime restlessness or difficulty settling.

Melatonin is a hormone naturally produced by your dog's body. Its primary biological function is helping regulate circadian rhythms and the sleep-wake cycle.

Because of that connection to sleep, supplemental melatonin is sometimes used in veterinary medicine when dogs have trouble settling or when relaxation is desirable.

However, melatonin isn't necessarily the best option for every type of anxiety.

A dog panicking whenever you leave home has a different problem from a dog whose sleep schedule has become disrupted. Separation-related anxiety usually requires behavioral intervention rather than simply making the dog sleepy.

Never give your dog a human melatonin product without checking its ingredients. Some human supplements, particularly gummies and flavored products, may contain xylitol, which is highly toxic to dogs.

4. CBD and Hemp Calming Products for Dogs

CBD is increasingly used by pet owners to support relaxation during stressful situations, although research into its effectiveness for canine anxiety remains developing.

CBD, or cannabidiol, is a cannabinoid derived from Cannabis sativa. Unlike THC, CBD itself doesn't produce the intoxicating "high" associated with marijuana.

One study examining dogs exposed to separation and car travel found that a single dose of THC-free CBD influenced several behavioral and physiological measures associated with stress. The results weren't universally positive across every measurement, however.

Other canine studies have also produced mixed results.

That makes CBD interesting, but not a proven treatment for canine anxiety.

It's also important to distinguish between hemp seed oil and CBD-containing hemp extract. Hemp seed oil contains little to no CBD and shouldn't automatically be expected to produce the same effects.

The FDA has not approved CBD for use in animals. Talk with your veterinarian before using it, particularly if your dog takes medication or has an existing health condition.

5. L-Tryptophan for Dogs

L-tryptophan is an essential amino acid involved in the production of serotonin, a neurotransmitter associated with mood and behavior.

That biological relationship has led to tryptophan being included in some calming diets and supplements for dogs.

Research into dietary tryptophan and canine behavior has produced varying results, and its effects may depend on the overall composition of the dog's diet rather than simply adding more tryptophan.

It therefore shouldn't be viewed as a standalone cure for anxiety.

Instead, tryptophan is one ingredient you may encounter as part of a broader calming formula designed to provide nutritional support for normal nervous system function.

6. Dog-Calming Pheromones

Not every effective calming aid needs to be something your dog eats.

Dog-appeasing pheromone products are designed to mimic chemical signals associated with reassurance and comfort. They're available as diffusers, sprays and collars.

Pheromones have been investigated in dogs experiencing several types of stress, including veterinary visits, shelter environments and separation-related problems.

Results across studies aren't completely consistent, but pheromone products have a major practical advantage: they're relatively easy to incorporate into your dog's environment without requiring oral supplementation.

A diffuser may be particularly useful when stress occurs primarily at home, while a spray can be more practical for carriers, cars or temporary environments.

7. Pressure Wraps and Anxiety Vests

Pressure wraps or anxiety vests apply gentle, consistent pressure around your dog's torso.

They're particularly popular for dogs afraid of thunderstorms and fireworks.

Research into pressure wraps remains limited, and you shouldn't expect a vest to eliminate severe noise phobia by itself. Some dogs nevertheless appear more comfortable while wearing one.

The biggest advantage is their simplicity.

A pressure wrap doesn't require your dog to ingest anything, so it can be combined with environmental changes and veterinarian-approved supplements as part of a broader calming strategy.

Introduce the wrap before the stressful event whenever possible so your dog doesn't begin associating it exclusively with something frightening.

8. Lick Mats, Chews and Enrichment Toys

Sometimes the most useful calming aid isn't a supplement at all.

Licking, chewing, sniffing and problem-solving activities give your dog an appropriate behavior to focus on and can encourage settling.

Useful options include:

• Lick mats
• Food puzzles
• Stuffed toys
• Snuffle mats
• Long-lasting veterinarian-approved chews
• Scent-based games

These can be especially useful before predictable stressful events or when your dog needs help transitioning from activity to rest.

Enrichment also addresses an overlooked cause of restless behavior: boredom.

A dog that paces, whines or follows you constantly isn't necessarily anxious. Your dog may need more exercise, social interaction or mental stimulation.

9. A Quiet, Comfortable Safe Space

One of the simplest calming aids is giving your dog somewhere predictable to retreat.

A calming space should be quiet, comfortable and accessible voluntarily whenever your dog feels overwhelmed.

Depending on your dog's preferences, this could be a crate, covered bed, quiet bedroom or corner away from household activity.

You can make the space more inviting with familiar bedding, enrichment toys and background sound to help reduce sudden outside noises.

Never force your dog into the area as punishment. The goal is to create a place associated with safety and relaxation.

What Is the Best Calming Aid for Dog Anxiety?

The best calming aid for dog anxiety depends on the trigger, severity and frequency of the anxiety.

For mild situational stress, supplements containing ingredients such as L-theanine or alpha-casozepine may provide useful support. Pheromones, enrichment and environmental management can also help.

For predictable noise-related events such as fireworks or thunderstorms, a combination of environmental management, a safe space, pressure wrap and veterinarian-recommended calming support may work better than relying on one solution.

For severe or persistent anxiety, particularly separation anxiety, supplements alone are unlikely to solve the underlying problem.

What Is the Best Calming Aid for Dogs During Fireworks and Thunderstorms?

Dogs with noise sensitivity often benefit from multiple calming strategies used together.

Before fireworks or a storm:

Close windows and curtains to reduce flashes and outside noise. Give your dog access to their preferred safe space. Background television, music or white noise may help mask sudden sounds.

A pressure wrap, pheromone product or veterinarian-approved calming supplement can provide additional support.

Timing matters with supplements. If a product needs time to take effect, giving it after your dog is already panicking may be less useful than administering it according to your veterinarian's or product manufacturer's recommendations before a predictable event.

Dogs with severe noise phobias may require prescription medication.

What Is the Best Calming Aid for Dogs During Car Rides?

First determine why your dog becomes distressed in the car.

Some dogs are frightened by vehicle movement or unfamiliar destinations. Others become nauseated, which can look like anxiety.

Signs of motion sickness can include drooling, lip licking, whining, vomiting and reluctance to enter the vehicle.

If nausea is the real problem, a calming supplement won't necessarily solve it.

For dogs with travel-related fear, gradual exposure can help. Start with sitting in a parked vehicle, progress to very short drives and pair successful experiences with something your dog enjoys.

A secure restraint or carrier can also make travel safer and more predictable.

What Is the Best Calming Aid for Dogs at Night?

Melatonin may be worth discussing with your veterinarian when sleep or nighttime settling is the primary concern, but new nighttime restlessness shouldn't automatically be treated as anxiety.

This is particularly important for senior dogs.

Nighttime pacing, panting, vocalizing or waking can sometimes be associated with pain, increased need to urinate, sensory changes or canine cognitive dysfunction.

If your dog suddenly starts wandering around the house at night, have your veterinarian investigate the cause before reaching for a sleep aid.

What Is the Best Calming Aid for Separation Anxiety?

True separation anxiety requires more than a calming chew.

Behavior modification is one of the most important parts of managing separation anxiety in dogs.

Treatment can involve gradually teaching your dog to tolerate being alone without reaching the point of panic. Your veterinarian or veterinary behaviorist may also recommend medication for moderate or severe cases.

Calming supplements, pheromones and enrichment can complement this process, but they shouldn't replace it.

If your dog destroys doors, tries to escape, urinates or defecates when alone, vocalizes continuously or injures themselves during your absence, seek professional help.

Supplements vs Calming Aids: Which Is Better?

You usually don't have to choose one or the other.

Calming supplements work internally, while environmental and behavioral aids change what your dog experiences externally. Combining appropriate approaches can address stress from multiple directions.

For example, a dog afraid of thunderstorms might benefit from:

A veterinarian-approved calming supplement + quiet safe space + pressure wrap + noise masking + gradual behavioral training.

That's a more complete strategy than expecting one supplement to eliminate fear.

How Do You Choose a Calming Supplement for Your Dog?

Start with the problem you're trying to solve.

A supplement for occasional travel stress doesn't necessarily need the same ingredients as one intended to help a dog settle at night.

Then evaluate the formula rather than relying on claims such as "natural" or "extra strength."

Look for:

• Clearly identified active ingredients
• Specific ingredient amounts
• Straightforward dosing instructions
• Products formulated specifically for pets
• Appropriate quality and safety information
• No unnecessary or potentially harmful ingredients

Most importantly, don't assume more ingredients automatically mean a better calming supplement.

A targeted formula that fits your dog's needs can make more sense than a long ingredient list with unclear amounts.

When Are Calming Supplements Not Enough?

Calming supplements are most useful as support, not as a way to mask serious behavioral or medical problems.

Talk with your veterinarian if your dog suddenly develops anxiety, becomes increasingly restless, stops eating normally, pants excessively without an obvious reason, becomes aggressive, injures themselves or shows severe distress when left alone.

A change in behavior can sometimes be the first sign that something physical is wrong.

This is particularly important when anxiety-like behaviors appear suddenly in a dog that was previously relaxed.

Frequently Asked Questions

What are the best natural calming supplements for dogs?

Common natural calming ingredients for dogs include L-theanine, alpha-casozepine, melatonin and L-tryptophan. CBD is another popular option, although evidence for its effectiveness against canine anxiety remains limited and the FDA has not approved CBD for use in animals.

Do calming supplements for dogs actually work?

Some calming ingredients have supportive research, but results vary by ingredient, dog and type of anxiety. Supplements tend to be most useful for mild or situational stress and as part of a broader behavioral and environmental management plan.

What can I give my dog to calm them naturally?

Depending on the cause of your dog's stress, options may include veterinarian-approved calming supplements, pheromones, enrichment activities, pressure wraps, exercise and a quiet safe space. Persistent or severe anxiety should be evaluated by a veterinarian.

What is the best calming aid for a hyperactive dog?

First determine whether your dog is anxious or simply needs more physical and mental activity. Regular exercise, sniffing activities, food puzzles and structured training may be more appropriate for an under-stimulated dog than a calming supplement.

What can calm a dog down instantly?

There isn't a safe calming supplement guaranteed to eliminate anxiety instantly. Removing your dog from the trigger, reducing noise and stimulation, providing a familiar safe space and remaining calm yourself can help during acute stress. Severe panic may require veterinarian-prescribed medication.

Are calming chews safe for dogs?

Many dog calming chews are well tolerated when used according to their directions, but safety depends on the ingredients, amounts and your dog's health. Check the entire formula and talk with your veterinarian if your dog takes medication or has a medical condition.

Can I give my dog calming supplements every day?

Some calming supplements are designed for daily use while others are intended for occasional stressful events. Follow the product directions and your veterinarian's recommendations rather than assuming every calming ingredient is appropriate for long-term daily use.

What is the best calming supplement for senior dogs?

There isn't one best calming supplement for every senior dog. New anxiety, nighttime pacing or sleep changes in older dogs should first be evaluated for pain, sensory decline, urinary problems and canine cognitive dysfunction. Your veterinarian can then recommend appropriate calming support based on the underlying cause.

References

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2. Beata C, Beaumont-Graff E, Coll V, et al. Effect of alpha-casozepine (Zylkene) versus selegiline hydrochloride (Selgian, Anipryl) on anxiety disorders in dogs. J Vet Behav. 2007;2(5):175-183. doi:10.1016/j.jveb.2007.08.001.
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5. Bookout W, Dziwenka M, Valm K, Kovacs-Nolan J. Safety study of cannabidiol products in healthy dogs. Front Vet Sci. 2024;11:1349590. doi:10.3389/fvets.2024.1349590.
6. Bosch G, Beerda B, Hendriks WH, van der Poel AFB, Verstegen MWA. Impact of nutrition on canine behaviour: current status and possible mechanisms. Nutr Res Rev. 2007;20(2):180-194. doi:10.1017/S095442240781331X.
7. Landsberg GM, Mougeot I, Kelly S, Milgram NW. Assessment of noise-induced fear and anxiety in dogs: modification by a novel fish hydrolysate supplemented diet. J Vet Behav. 2015;10(5):391-398. doi:10.1016/j.jveb.2015.05.007.
8. U.S. Food and Drug Administration. FDA Regulation of Cannabis and Cannabis-Derived Products, Including Cannabidiol (CBD). U.S. Food and Drug Administration.

This article is for educational purposes and doesn't replace veterinary diagnosis or treatment. Talk with your veterinarian before starting a new supplement, particularly if your dog takes medication, has an existing medical condition or experiences severe anxiety.