10 Best Calming Products For Cats 2026 in the United States
#1
Winner
FELIWAY Optimum Cat Calming Diffuser Refill (3 Pack, 90 Day Supply) – Cat Pheromone Diffuser Refill for Advanced Support to Reduce Stress, Spraying, Scratching, Fighting and Hiding
FELIWAY Optimum is a calming product designed as a refill for a pheromone diffuser, which helps reduce stress-related behaviors in cats and kittens like urine spraying, scratching, and fearfulness. It uses a patented blend of synthetic feline pheromones that mimic natural calming signals, providing a drug-free and non-sedating way to help cats feel more secure. Each refill lasts about 30 days and covers up to 700 square feet, making it suitable for most homes. The diffuser is easy to use—just plug it into a standard outlet in the room your cat spends the most time.
Rating
10.0
Chosen by1,178
Type of Calming Product
Duration of Effect
Ease of Use
Most important from
13698 reviews
#2
Pro Plan Veterinary Diets FortiFlora Daily Probiotic Powder Supplement for Cats with Digestive Support and Immune System for Occasional Diarrhea
Pro Plan Veterinary Diets FortiFlora is a probiotic powder designed to support cats' digestive health and immune system, especially useful for occasional diarrhea. Its main active ingredient, Enterococcus Faecium SF68, helps maintain a healthy balance of intestinal bacteria, which can indirectly contribute to a calmer cat by improving gut health. Each box contains 30 single-use packets, making it easy to sprinkle on your cat’s food daily without fuss—a big plus for ease of use.
Rating
9.7
Ingredients
Duration of Effect
Ease of Use
Most important from
20100 reviews
#3
VetriScience Veterinary Strength Calm & Confident Chews - Stress Supplement for Pets - Supports Brain Function for Cats & Dogs - with L-Theanine, Thiamine & More - 60 Count
VetriScience Composure Pro is a calming chew designed for both cats and dogs, aimed at reducing stress and promoting relaxation within about 30 minutes, with effects lasting up to four hours. It uses a blend of ingredients like Colostrum Calming Complex, vitamin B (thiamine), and L-tryptophan to support your cat's brain function and help soothe anxiety caused by loud noises or restlessness. The chews come in a chicken flavor, which should appeal to many cats, making it easier to administer. Dosage is flexible, based on your pet's weight and needs, ranging from half a chew to two chews per dose.
Rating
8.8
Duration of Effect
Ease of Use
Safety and Side Effects
Most important from
17494 reviews
Top 10 Best Calming Products For Cats 2026 in the United States
#1
Winner
FELIWAY Optimum Cat Calming Diffuser Refill (3 Pack, 90 Day Supply) – Cat Pheromone Diffuser Refill for Advanced Support to Reduce Stress, Spraying, Scratching, Fighting and Hiding
FELIWAY Optimum Cat Calming Diffuser Refill (3 Pack, 90 Day Supply) – Cat Pheromone Diffuser Refill for Advanced Support to Reduce Stress, Spraying, Scratching, Fighting and Hiding
Type of Calming Product: refill for pheromone diffuser
Ingredients: patented synthetic feline pheromones
Duration of Effect: about 30 days
Ease of Use: plug into standard room outlet
Cat's Preferences: some cats respond better
Safety and Side Effects: drug-free, safe, no human effect
Chosen by 1178 this week
Pro Plan Veterinary Diets FortiFlora Daily Probiotic Powder Supplement for Cats with Digestive Support and Immune System for Occasional Diarrhea
Pro Plan Veterinary Diets FortiFlora Daily Probiotic Powder Supplement for Cats with Digestive Support and Immune System for Occasional Diarrhea
Type of Calming Product: Probiotic powder
Ingredients: Enterococcus Faecium SF68, Taurine 5 mg
Ease of Use: 30 packets, sprinkle on food daily
Cat's Preferences: Unflavored, mixes into meals
Safety and Side Effects: Cats 1 month+, minimal side effects
VetriScience Veterinary Strength Calm & Confident Chews - Stress Supplement for Pets - Supports Brain Function for Cats & Dogs - with L-Theanine, Thiamine & More - 60 Count
VetriScience Veterinary Strength Calm & Confident Chews - Stress Supplement for Pets - Supports Brain Function for Cats & Dogs - with L-Theanine, Thiamine & More - 60 Count
Type of Calming Product: calming chew
Ingredients: Colostrum Complex, vitamin B, L-tryptophan
Duration of Effect: up to 4 hours
Ease of Use: chicken flavor, chew, flexible dosage
Cat's Preferences: chicken flavor
Safety and Side Effects: certified facility, no artificial flavors
Vetoquinol Zylkene Calming Support Supplement for Small Dogs and Cats, Promotes Relaxation, Reduces Stress, and Supports Occasional Anxiety Relief for Dogs and Cats, 75mg - 120 Capsules
Vetoquinol Zylkene Calming Support Supplement for Small Dogs and Cats, Promotes Relaxation, Reduces Stress, and Supports Occasional Anxiety Relief for Dogs and Cats, 75mg - 120 Capsules
Type of Calming Product: Calming Supplement
Ingredients: alpha-casozepine from milk protein
Ease of Use: Capsules to sprinkle over food
Cat's Preferences: Lactose-free, gentle on stomach
Safety and Side Effects: No drowsiness or harsh side effects
TherapetMD 60-Day Cat Calming Diffuser - Cat Pheromone Diffuser for Stress, Pee Spraying, Cat Fighting, Aggression, Excessive Meowing & Scratching - 60-Day Refill Included - Packaging May Vary
TherapetMD 60-Day Cat Calming Diffuser - Cat Pheromone Diffuser for Stress, Pee Spraying, Cat Fighting, Aggression, Excessive Meowing & Scratching - 60-Day Refill Included - Packaging May Vary
Type of Calming Product: plug-in pheromone diffuser
Ingredients: natural vet-recommended dual-pheromone formula
Duration of Effect: about 30 days per refill
Ease of Use: plug in, works continuously, refill monthly
Cat's Preferences: varies by individual cat
Safety and Side Effects: fragrance-free, safe for cats and pets
Related Products
Up to 10% off
TopSum Cat Calming Pheromone Diffuser: Feline Pheromones Plug in for Stress, Alone At Home, Spraying, Fighting, Scratching, Aggression & Excessive Meowing (Purple, 3 Diffusers + 3 Refills)
TopSum Cat Calming Pheromone Diffuser: Feline Pheromones Plug in for Stress, Alone At Home, Spraying, Fighting, Scratching, Aggression & Excessive Meowing (Purple, 3 Diffusers + 3 Refills)
Type of Calming Product: Pheromone Diffuser
Ingredients: Synthetic feline pheromones
Duration of Effect: 30 days per refill; 6 months diffuser
Ease of Use: Plug into regular outlet
Cat's Preferences: Varies; all ages; some no response
Safety and Side Effects: Odorless, safe; no side effects
FELIWAY Optimum Cat Calming Diffuser Refill (1 Pack, 30 Day Supply) – Cat Pheromone Diffuser Refill for Advanced Support to Reduce Stress, Spraying, Scratching, Fighting and Hiding
FELIWAY Optimum Cat Calming Diffuser Refill (1 Pack, 30 Day Supply) – Cat Pheromone Diffuser Refill for Advanced Support to Reduce Stress, Spraying, Scratching, Fighting and Hiding
Type of Calming Product: Enhanced Calming Pheromone
Ingredients: Pheromone analogs
Duration of Effect: 30 days
Ease of Use: Plug into an open outlet
Safety and Side Effects: Safe for cats, humans, pets
FELIWAY Optimum Cat Calming Diffuser Kit – Advanced Support to Help Reduce Urine Spraying, Scratching, Fighting and Hiding due to Stress – 30‑Day All in One Cat Pheromone Plug In Diffuser
FELIWAY Optimum Cat Calming Diffuser Kit – Advanced Support to Help Reduce Urine Spraying, Scratching, Fighting and Hiding due to Stress – 30‑Day All in One Cat Pheromone Plug In Diffuser
Type of Calming Product: Diffuser with synthetic pheromones
Ingredients: Synthetic pheromones
Duration of Effect: Up to 30 days
Ease of Use: Plug in, replace monthly
Cat's Preferences: Varies by individual sensitivity
Safety and Side Effects: Drug-free, safe, no effect on others
COMFORT ZONE Multi Cat Calming Diffuser Refill, 6 Pack – Cat Calming Pheromone Refills Help Reduce Anxiety, Stress, Scratching, Urine Marking, Multi-Cat Aggression, (30-Day Refills, 180-Day Supply)
COMFORT ZONE Multi Cat Calming Diffuser Refill, 6 Pack – Cat Calming Pheromone Refills Help Reduce Anxiety, Stress, Scratching, Urine Marking, Multi-Cat Aggression, (30-Day Refills, 180-Day Supply)
Type of Calming Product: Calming Diffuser Refills
Ingredients: Calming pheromones
Duration of Effect: 30 days per refill
Ease of Use: Easy to use
Safety and Side Effects: Meets Intertek safety, UL certified
#10
Pro Plan Veterinary Diets Calming Care Cat Supplements Probiotic Powder for Behavioral Support, 30-Count Box
Pro Plan Veterinary Diets Calming Care Cat Supplements Probiotic Powder for Behavioral Support, 30-Count Box
Type of Calming Product: Powder
Ingredients: Bifidobacterium longum BL999, Vitamin E
Duration of Effect: Up to six weeks
Ease of Use: One packet daily
Cat's Preferences: Liver flavor
Safety and Side Effects: Safe use in pregnant animals unproven
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Buying Guide for the Best Calming Products For Cats
Choosing the right calming product for your cat can make a significant difference in their overall well-being and behavior. Calming products can help reduce anxiety, stress, and unwanted behaviors in cats. When selecting a calming product, it's important to consider your cat's specific needs, preferences, and any underlying health conditions. Here are some key specifications to consider when choosing a calming product for your feline friend.Type of Calming ProductCalming products for cats come in various forms, including sprays, diffusers, treats, collars, and supplements. The type of product you choose depends on your cat's preferences and the specific situation. For example, diffusers and sprays are great for creating a calming environment in your home, while treats and supplements can be useful for on-the-go calming. Collars provide continuous calming effects and are ideal for cats who are comfortable wearing them. Consider your cat's comfort and the context in which the product will be used to determine the best type for your needs.
IngredientsThe ingredients in calming products can vary widely, and it's important to choose products with safe and effective components. Common ingredients include pheromones, herbal extracts like chamomile and valerian root, and amino acids such as L-theanine. Pheromones mimic the natural calming signals cats produce, while herbal extracts and amino acids can help reduce anxiety. Always check the ingredient list for any potential allergens or substances that your cat may be sensitive to. If your cat has any health conditions or is on medication, consult your veterinarian before introducing new ingredients.
Duration of EffectDifferent calming products have varying durations of effect. For instance, sprays and diffusers may provide continuous calming effects for several hours to weeks, while treats and supplements may offer temporary relief for a few hours. Collars can last for up to a month. Consider how long you need the calming effect to last when choosing a product. For ongoing anxiety, a long-lasting solution like a diffuser or collar may be more appropriate, while short-term stressors like vet visits may be better managed with treats or sprays.
Ease of UseThe ease of use of a calming product can greatly influence your decision. Some products, like diffusers and collars, require minimal effort once set up, while others, like sprays and treats, may need to be administered more frequently. Consider your lifestyle and how much time you can dedicate to using the product. If you prefer a hands-off approach, a diffuser or collar might be the best choice. If you don't mind administering a product regularly, treats or sprays could be suitable.
Cat's PreferencesEvery cat is unique, and their preferences can play a significant role in the effectiveness of a calming product. Some cats may respond better to pheromone-based products, while others may prefer the taste of calming treats. Observe your cat's behavior and reactions to different types of products to determine what works best for them. It may take some trial and error to find the most effective solution, so be patient and attentive to your cat's needs.
Safety and Side EffectsSafety is paramount when choosing a calming product for your cat. Ensure that the product is specifically designed for cats and has been tested for safety. Be aware of any potential side effects, such as drowsiness or gastrointestinal upset, and monitor your cat closely when introducing a new product. If you notice any adverse reactions, discontinue use and consult your veterinarian. Always follow the manufacturer's instructions for use and dosage to ensure your cat's safety.