Updated:April, 2026

10 Best Melatonin For Dogs Same Day Delivery of 2026

Best Choice

9.9

Outstanding

Bark&Spark

(Extra Strength) Calming Melatonin for Dogs Sleep - 6mg Dog Melatonin Chews for Small & Large Dogs, Puppy Melatonin Treats - Calming Aid for Dogs - Medium Doggie Sleeping Pills - 120 Treats

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Why We Love It

Car Rides, Now Cruise Control Let our melatonin for dogs be the calming soundtrack. From thunderstorms to vet trips, every chew ensures a smoother ride, even when life turns up the volume.
60-Day Trusted Guarantee If you and your pet aren't fully satisfied, contact us within 60 days for a prompt refund, no questions asked. No need to return the product. Your satisfaction and pet's happiness are our top priorities.
Melatonin-Fueled Calm Our chews are crafted with melatonin, a natural sleep aid, along with calming allies like Valerian root & L-Theanine. This unique blend ensures a safe, chemical-free relaxation for your beloved pet.
Valerian Root Formula Enhanced with valerian root, these calming chews offer added anxiety relief without the need for liquid drops or doggy pills. Ideal for daily use.
Flexible Dosage for All Sizes (Small & Large) Each chew has 6mg of melatonin, ideal for big dogs. For smaller dogs or puppies, split the chew in half for a 3mg dose, ensuring safe and effective calming relief based on their size.
Picky Pups Approved Absolutely delicious natural bacon goodness in every chew, making it a hit even with the pickiest pups. No more battling with pills or powders.
Bark&Spark Commitment We're keen on offering only the best to our furry customers. Taking NO compromise on quality, our calming treats are made in the USA with human-grade ingredients.
Consistent Use, Long-Term Comfort Regular use of our Melatonin Chews can lead to lasting calm for your dog. Like a steady beat in a favorite song, these chews build a rhythm of relaxation over time.

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Why We Love It

Car Rides, Now Cruise Control Let our melatonin for dogs be the calming soundtrack. From thunderstorms to vet trips, every chew ensures a smoother ride, even when life turns up the volume.
60-Day Trusted Guarantee If you and your pet aren't fully satisfied, contact us within 60 days for a prompt refund, no questions asked. No need to return the product. Your satisfaction and pet's happiness are our top priorities.
Melatonin-Fueled Calm Our chews are crafted with melatonin, a natural sleep aid, along with calming allies like Valerian root & L-Theanine. This unique blend ensures a safe, chemical-free relaxation for your beloved pet.
Valerian Root Formula Enhanced with valerian root, these calming chews offer added anxiety relief without the need for liquid drops or doggy pills. Ideal for daily use.
Flexible Dosage for All Sizes (Small & Large) Each chew has 6mg of melatonin, ideal for big dogs. For smaller dogs or puppies, split the chew in half for a 3mg dose, ensuring safe and effective calming relief based on their size.
Picky Pups Approved Absolutely delicious natural bacon goodness in every chew, making it a hit even with the pickiest pups. No more battling with pills or powders.
Bark&Spark Commitment We're keen on offering only the best to our furry customers. Taking NO compromise on quality, our calming treats are made in the USA with human-grade ingredients.
Consistent Use, Long-Term Comfort Regular use of our Melatonin Chews can lead to lasting calm for your dog. Like a steady beat in a favorite song, these chews build a rhythm of relaxation over time.

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9.5

Excellent

K9 Select

K9 Select 3mg Melatonin for Dogs - Adrenal Support and Sleep Support - 120 Peanut Butter Flavored Tablets - Dog Melatonin for Medium Size Dog Breeds

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Main Highlights

Specially formulated melatonin for medium sized Dogs Each bottle of this dog melatonin contains 120 chewable tablets of 3mg melatonin specially formulated for medium-sized dogs.
Promoting Optimal Health - Melatonin serves more purposes than just aiding restfulness; it's essential for canine well-being. These dog chews aid in maintaining hormone equilibrium, assist in controlling thirst and urination patterns, and contribute to a healthy skin and coat. Explore its positive impacts and ensure your dog's well-being.
Pamper Your Dogs: Say hello to K9 Select Melatonin Dog treats with awesome natural flavors that your dog will totally dig! Keeping your furry buddy happy and healthy has never been this delicious!
Nurtures your dog's natural rest patterns, bidding farewell to those wakeful nights and uneasy days. Melatonin dog treats work in harmony with your dog's internal clock, guiding them toward tranquil rest when it's time to wind down, all in a natural way.
Enhances well-being Dog melatonin chews foster a state of ease, serenity, and contentment, ideal for comforting nerves during events like fireworks, thunderstorms, travel, vet visits, grooming, and other situations. These chews are specifically formulated to help dogs cope better in challenging scenarios, ensuring a happier and more peaceful pet in various environments.

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Main Highlights

Specially formulated melatonin for medium sized Dogs Each bottle of this dog melatonin contains 120 chewable tablets of 3mg melatonin specially formulated for medium-sized dogs.
Promoting Optimal Health - Melatonin serves more purposes than just aiding restfulness; it's essential for canine well-being. These dog chews aid in maintaining hormone equilibrium, assist in controlling thirst and urination patterns, and contribute to a healthy skin and coat. Explore its positive impacts and ensure your dog's well-being.
Pamper Your Dogs: Say hello to K9 Select Melatonin Dog treats with awesome natural flavors that your dog will totally dig! Keeping your furry buddy happy and healthy has never been this delicious!
Nurtures your dog's natural rest patterns, bidding farewell to those wakeful nights and uneasy days. Melatonin dog treats work in harmony with your dog's internal clock, guiding them toward tranquil rest when it's time to wind down, all in a natural way.
Enhances well-being Dog melatonin chews foster a state of ease, serenity, and contentment, ideal for comforting nerves during events like fireworks, thunderstorms, travel, vet visits, grooming, and other situations. These chews are specifically formulated to help dogs cope better in challenging scenarios, ensuring a happier and more peaceful pet in various environments.

9.5

Excellent

Pet Wellbeing

Pet Wellbeing Pet Melatonin for Dogs - Supports Adrenal Health, Cortisol Balance, Helps Maintain Normal Sleep Patterns - Liquid Supplement 4 oz (118 ml)

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Main Highlights

BETTER QUALITY OF LIFE. Is your canine companion thriving? Wed be honored to help your dog live their happiest and healthiest life possible.
ADRENAL HEALTH. Supports healthy adrenal gland function and can be combined with Adrenal Harmony Gold to offer powerful, holistic support that helps promote normal cortisol levels.
CORTISOL BALANCE. Melatonin supplementation in dogs has been shown to target the adrenal glands and their production of cortisol. Balanced cortisol levels help support healthy coat and hair, normal appetite, normal urination, and a calmer stress response.
SLEEP & RELAXATION. Melatonin helps maintain normal sleep patterns, which may help your pet enjoy a calm and relaxed disposition.
VETERINARIAN-FORMULATED. MADE IN USA. MONEY-BACK GUARANTEE. TRUSTED CARE SINCE 2001. Expertly developed by our compassionate team of in-house holistic veterinarians to offer your pet essential health support, our vet-formulated supplements reflect over 20 years of leadership in pet wellness. Proudly produced in FDA-registered, GMP-certified facilities in the USA, each product is made with the highest-quality ingredients and undergoes rigorous testing for purity.

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Main Highlights

BETTER QUALITY OF LIFE. Is your canine companion thriving? Wed be honored to help your dog live their happiest and healthiest life possible.
ADRENAL HEALTH. Supports healthy adrenal gland function and can be combined with Adrenal Harmony Gold to offer powerful, holistic support that helps promote normal cortisol levels.
CORTISOL BALANCE. Melatonin supplementation in dogs has been shown to target the adrenal glands and their production of cortisol. Balanced cortisol levels help support healthy coat and hair, normal appetite, normal urination, and a calmer stress response.
SLEEP & RELAXATION. Melatonin helps maintain normal sleep patterns, which may help your pet enjoy a calm and relaxed disposition.
VETERINARIAN-FORMULATED. MADE IN USA. MONEY-BACK GUARANTEE. TRUSTED CARE SINCE 2001. Expertly developed by our compassionate team of in-house holistic veterinarians to offer your pet essential health support, our vet-formulated supplements reflect over 20 years of leadership in pet wellness. Proudly produced in FDA-registered, GMP-certified facilities in the USA, each product is made with the highest-quality ingredients and undergoes rigorous testing for purity.

9.2

Excellent

Activin

Melatonin 3 mg for Dogs | Supports Sleep/Wake Cycles |Helps Reduce Stress in Dogs and Cats | Calming Aid |100 Capsules

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Main Highlights

Comprehensive Care: Our Melatonin Capsules support canine Calmness, help manage hyper active behavior, and reduce aggressive tendencies for a balanced mood.
Formulated for All Dogs & Sizes: Created with every dog in mind, our puppy sleeping aid is perfect for all ages and sizes - from playful puppies to wise seniors.

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Main Highlights

Comprehensive Care: Our Melatonin Capsules support canine Calmness, help manage hyper active behavior, and reduce aggressive tendencies for a balanced mood.
Formulated for All Dogs & Sizes: Created with every dog in mind, our puppy sleeping aid is perfect for all ages and sizes - from playful puppies to wise seniors.

9.0

Excellent

Bark&Spark

Advanced Calming Hemp Treats for Dogs - Hemp Oil + Melatonin - Anxiety Relief - Separation Aid - Stress Relief During Fireworks, Storms, Thunder - Aggressive Behavior, Barking - 120 Soft Chews

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Main Highlights

Advanced Dog Calming with Melatonin - formulated with known effective calming ingredients, like hemp oil, valerian root, chamomile and melatonin, this treats are effective but more importantly safe and healthy supplements. No chemical relaxants or sedatives are used. Suitable for hyper dogs of all breeds, sizes. Safe to use for puppies as well.
Moderate Anxiety and Stress - these calming treats help reduce symptoms of anxiety or stress such as growling, barking, scratching, chewing, licking, uncontrolled urination etc. Anti-anxiety treats can be used to relax your pet during separation, car rides, vet visits, thunders, firework etc
Moderate Aggressive or Hyperactive Behavior - dog's aggressive behaviour like barking or growling, or hyperactive strolling or running is often caused by unfamiliar surrounding or stressful events, so our calming treats are formulated to keep your buddy calm and composed even in the most stressful moments.
Bark&Spark Commitment - we are keen to give best treatment to our furry customers and we take no compromise when it comes to product quality. Our calming treats are made in the USA, with human grade ingredients
Is Your Dog a Picky Eater? We stick to simple formulas rich in natural bacon flavor, that could tempt a fussy eater. No hassle with pills, powder, tablets or capsules

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Main Highlights

Advanced Dog Calming with Melatonin - formulated with known effective calming ingredients, like hemp oil, valerian root, chamomile and melatonin, this treats are effective but more importantly safe and healthy supplements. No chemical relaxants or sedatives are used. Suitable for hyper dogs of all breeds, sizes. Safe to use for puppies as well.
Moderate Anxiety and Stress - these calming treats help reduce symptoms of anxiety or stress such as growling, barking, scratching, chewing, licking, uncontrolled urination etc. Anti-anxiety treats can be used to relax your pet during separation, car rides, vet visits, thunders, firework etc
Moderate Aggressive or Hyperactive Behavior - dog's aggressive behaviour like barking or growling, or hyperactive strolling or running is often caused by unfamiliar surrounding or stressful events, so our calming treats are formulated to keep your buddy calm and composed even in the most stressful moments.
Bark&Spark Commitment - we are keen to give best treatment to our furry customers and we take no compromise when it comes to product quality. Our calming treats are made in the USA, with human grade ingredients
Is Your Dog a Picky Eater? We stick to simple formulas rich in natural bacon flavor, that could tempt a fussy eater. No hassle with pills, powder, tablets or capsules

8.8

Very Good

OKKÖBI

Hemp Calming Chews for Dogs - 150 Pcs - Anxiety Relief with Melatonin - Helps with Stress, Travel, Check-up, Barking & Grooming - Beef Flavor Calming Treats

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Main Highlights

Ultimate Anxiety Relief for Dogs Our hemp calming chews for dogs are specially formulated to soothe and reduce anxiety, promoting calm and relaxation. Perfect for thunderstorms, separation, car rides, and vet visits. Your furry friend will be zen in no time with our calming chews for dogs!
Natural Ingredients, Safe and Sound Our composure dog calming chews are packed with premium ingredients including Hemp Seed Oil, Hemp Seed Powder, L-theanine (Green Tea), L-tryptophan, Dog Vitamin B9 (Folic Acid), Passion Flower extract, Chamomile extract, and Melatonin. These treats offer natural, safe, and effective anxiety relief for dogs.
Delicious Flavors Dogs Love Available in chicken, beef, and duck flavors, these dog hemp calming chews are not just effective but tasty too. No more wrestling with your pup to take their dog anxiety medication; they'll be begging for more of these delicious treats!
Fast-Acting, Long-Lasting Our calming bites for dogs start working within 30-45 minutes, providing up to 12 hours of anxiety relief. Perfect for those moments when your dog needs quick comfort, ensuring they remain calm and content throughout the day.
We've Got Your Back And Your Dog's! Enjoy the confidence of a 5-year assurance and our friendly customer service team, available 7 days a week. We're here to ensure your furry friend stays happy and stress-free, because we care just as much as you do.

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Main Highlights

Ultimate Anxiety Relief for Dogs Our hemp calming chews for dogs are specially formulated to soothe and reduce anxiety, promoting calm and relaxation. Perfect for thunderstorms, separation, car rides, and vet visits. Your furry friend will be zen in no time with our calming chews for dogs!
Natural Ingredients, Safe and Sound Our composure dog calming chews are packed with premium ingredients including Hemp Seed Oil, Hemp Seed Powder, L-theanine (Green Tea), L-tryptophan, Dog Vitamin B9 (Folic Acid), Passion Flower extract, Chamomile extract, and Melatonin. These treats offer natural, safe, and effective anxiety relief for dogs.
Delicious Flavors Dogs Love Available in chicken, beef, and duck flavors, these dog hemp calming chews are not just effective but tasty too. No more wrestling with your pup to take their dog anxiety medication; they'll be begging for more of these delicious treats!
Fast-Acting, Long-Lasting Our calming bites for dogs start working within 30-45 minutes, providing up to 12 hours of anxiety relief. Perfect for those moments when your dog needs quick comfort, ensuring they remain calm and content throughout the day.
We've Got Your Back And Your Dog's! Enjoy the confidence of a 5-year assurance and our friendly customer service team, available 7 days a week. We're here to ensure your furry friend stays happy and stress-free, because we care just as much as you do.

8.6

Very Good

Lignans For Life

Lignans For Life Melatonin for Dogs & People, 6mg - 120 Capsules - Dog Melatonin Capsules - Lignans and Melatonin for Dogs - Pet Melatonin Dogs - Melatonin Dog Treats - Vitamins for Overall Health

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Main Highlights

AMPLE MELATONIN SUPPLY: Each bottle of our supplement comes with 120 capsules, each containing 6mg of melatonin. This abundant supply is perfect for maintaining consistent support for your and your dog's overall health and well-being, ensuring a steady provision for daily use.
ENHANCING NATURAL MELATONIN PRODUCTION: In both humans and dogs, melatonin is naturally produced in the pineal gland. Supplementing with our melatonin capsules provides an additional source of this essential hormone, important for regulating various physiological functions and supporting bodily health.
MELATONIN FOR ROBUST IMMUNITY: Melatonin plays a key role as a natural help of the immune system. It goes beyond traditional uses, contributing to a more vigorous and resilient bodily defense system, thereby enhancing general health and wellness.
BALANCING CORTISOL WITH MELATONIN: Regular intake of melatonin can be effective in moderating elevated cortisol levels, which are often associated with stress. Managing these levels is crucial for maintaining overall health, and melatonin is instrumental in this balance.
ADJUSTABLE DOSAGE FOR INDIVIDUAL NEEDS: Recognizing the uniqueness of each individual and pet, our melatonin capsules are designed for adjustable dosing. Starting with a suitable dosage and tailoring it to specific health needs allows for maximizing the benefits of the supplement, ensuring effective and personalized support for health and vitality.
NPN:80114784

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Main Highlights

AMPLE MELATONIN SUPPLY: Each bottle of our supplement comes with 120 capsules, each containing 6mg of melatonin. This abundant supply is perfect for maintaining consistent support for your and your dog's overall health and well-being, ensuring a steady provision for daily use.
ENHANCING NATURAL MELATONIN PRODUCTION: In both humans and dogs, melatonin is naturally produced in the pineal gland. Supplementing with our melatonin capsules provides an additional source of this essential hormone, important for regulating various physiological functions and supporting bodily health.
MELATONIN FOR ROBUST IMMUNITY: Melatonin plays a key role as a natural help of the immune system. It goes beyond traditional uses, contributing to a more vigorous and resilient bodily defense system, thereby enhancing general health and wellness.
BALANCING CORTISOL WITH MELATONIN: Regular intake of melatonin can be effective in moderating elevated cortisol levels, which are often associated with stress. Managing these levels is crucial for maintaining overall health, and melatonin is instrumental in this balance.
ADJUSTABLE DOSAGE FOR INDIVIDUAL NEEDS: Recognizing the uniqueness of each individual and pet, our melatonin capsules are designed for adjustable dosing. Starting with a suitable dosage and tailoring it to specific health needs allows for maximizing the benefits of the supplement, ensuring effective and personalized support for health and vitality.
NPN:80114784

8.3

Very Good

Bark&Spark

Calming Hemp Treats for Dogs - Made in USA with Hemp Oil - Anxiety Relief - Separation Aid - Stress Relief During Fireworks, Storms, Thunder - Aggressive Behavior, Barking - 120 Soft Chews

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Main Highlights

Effective Calming Supplement - these calming treats help reduce symptoms of anxiety or stress such as growling, barking, scratching, chewing, licking, uncontrolled urination etc. Anti-anxiety treats are specially formulated to calm down your pet's anxiety, aggression during separation, car rides, thunders, firework etc
Natural Formula for All Breeds and Sizes - product formulated with known effective calming ingredients, like hemp oil, chamomile and passion flower extracts, this treats are effective but more importantly safe and healthy supplement. No chemical relaxants or sedatives are used in this formula. Suitable for hyper dogs of all breeds and sizes.
Moderate Aggressive or Hyperactive Behavior - dog's aggressive behaviour like barking or growling, or hyperactive stolling or running is often caused by unfamiliar surrounding or stressful activity (like a visit to a veterinarian or car ride), and our calming treats can be used to keep your 4 paws friend calm and composed even in the most stressful moments.
A Treat with Delicious Flavor - even the best supplement won't be any good if the dog won't eat it, so we added natural bacon flavoring to our products, so even a picky eater will love it.
Made in USA from Sustainably Sourced Ingredients - these calming hemp bites are made in the USA, with USA grown and processed ingredient. Treats contain absolutely NO sugar, dairy or cord.

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Main Highlights

Effective Calming Supplement - these calming treats help reduce symptoms of anxiety or stress such as growling, barking, scratching, chewing, licking, uncontrolled urination etc. Anti-anxiety treats are specially formulated to calm down your pet's anxiety, aggression during separation, car rides, thunders, firework etc
Natural Formula for All Breeds and Sizes - product formulated with known effective calming ingredients, like hemp oil, chamomile and passion flower extracts, this treats are effective but more importantly safe and healthy supplement. No chemical relaxants or sedatives are used in this formula. Suitable for hyper dogs of all breeds and sizes.
Moderate Aggressive or Hyperactive Behavior - dog's aggressive behaviour like barking or growling, or hyperactive stolling or running is often caused by unfamiliar surrounding or stressful activity (like a visit to a veterinarian or car ride), and our calming treats can be used to keep your 4 paws friend calm and composed even in the most stressful moments.
A Treat with Delicious Flavor - even the best supplement won't be any good if the dog won't eat it, so we added natural bacon flavoring to our products, so even a picky eater will love it.
Made in USA from Sustainably Sourced Ingredients - these calming hemp bites are made in the USA, with USA grown and processed ingredient. Treats contain absolutely NO sugar, dairy or cord.

8.1

Very Good

K9 Select

K9 Select Melatonin for Dogs - Calming Aid Tasty Dog Supplement - Helps Overall Health with Quiet Moments and Composure - Reduce Stress Calming Treats for Small Dogs - 1 mg, 180 Vegetable Capsules

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Main Highlights

CRAFTED FOR SMALL BREEDS: Our K9 Select Melatonin for Dogs provides a gentle solution with 180 vegetable capsules with 1 mg of melatonin per capsule, specially formulated for dogs under 30lbs. This calming aid promotes restful sleep and well-being, making it an ideal dog sleep aid for smaller canines.
COMPREHENSIVE WELLNESS SUPPORT: Elevate your dog's health with K9 Selects melatonin for dogs to sleep, designed to support hormone balance, regular drinking, and urination habits. These calming aid capsules are an essential part of your pet's daily health routine, promoting overall well-being.
SKIN & COAT VITALITY: These wellness calming chews for dogs are more than just a dog sleep aid. Regular use of K9 Select melatonin for dogs helps maintain a healthy, vibrant coat and radiant skin, supporting your pets grooming routine while enhancing their overall wellness.
PROMOTES RESTFUL NIGHTS: Our dog melatonin for sleep aligns with your dog's natural sleep cycle, reducing sleep disruptions and promoting peaceful nights and energetic days. These calming treats for small dogs help restore natural sleep patterns for small breeds.
CALMING AID FOR STRESS RELIEF: Designed for stressful situations, like thunderstorms, travel, or vet visits, K9 Select calming aid for dogs brings serenity and comfort to your pet. Regular use of calming treats ensures the best outcomes for your dogs temperament and overall health.

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Main Highlights

CRAFTED FOR SMALL BREEDS: Our K9 Select Melatonin for Dogs provides a gentle solution with 180 vegetable capsules with 1 mg of melatonin per capsule, specially formulated for dogs under 30lbs. This calming aid promotes restful sleep and well-being, making it an ideal dog sleep aid for smaller canines.
COMPREHENSIVE WELLNESS SUPPORT: Elevate your dog's health with K9 Selects melatonin for dogs to sleep, designed to support hormone balance, regular drinking, and urination habits. These calming aid capsules are an essential part of your pet's daily health routine, promoting overall well-being.
SKIN & COAT VITALITY: These wellness calming chews for dogs are more than just a dog sleep aid. Regular use of K9 Select melatonin for dogs helps maintain a healthy, vibrant coat and radiant skin, supporting your pets grooming routine while enhancing their overall wellness.
PROMOTES RESTFUL NIGHTS: Our dog melatonin for sleep aligns with your dog's natural sleep cycle, reducing sleep disruptions and promoting peaceful nights and energetic days. These calming treats for small dogs help restore natural sleep patterns for small breeds.
CALMING AID FOR STRESS RELIEF: Designed for stressful situations, like thunderstorms, travel, or vet visits, K9 Select calming aid for dogs brings serenity and comfort to your pet. Regular use of calming treats ensures the best outcomes for your dogs temperament and overall health.

8.1

Very Good

Vital Basics

Vital Basics Melatonin 3 mg for Dogs & Cats | 120 Capsules | Calming & Sleep Support Supplement | Helps Reduce Stress, Anxiety & Restlessness.

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Main Highlights

PROMOTES CALM & RELAXATION IN PETS Formulated with Melatonin 3 mg to help support restful sleep and reduce stress, nervousness, and hyperactivity in dogs and cats.
SUPPORTS HEALTHY SLEEP CYCLES Helps regulate natural sleep patterns, making it ideal for pets with insomnia, travel stress, separation anxiety, or noise phobia.

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Main Highlights

PROMOTES CALM & RELAXATION IN PETS Formulated with Melatonin 3 mg to help support restful sleep and reduce stress, nervousness, and hyperactivity in dogs and cats.
SUPPORTS HEALTHY SLEEP CYCLES Helps regulate natural sleep patterns, making it ideal for pets with insomnia, travel stress, separation anxiety, or noise phobia.

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