Melatonin is a hormone normally produced by the body that aids in the regulation of reproduction, mood and circadian (sleep-wake) cycles in people and animals. Production of melatonin is stimulated by darkness and inhibited by light. When Melatonin is given as a dietary supplement, it decreases the latency period to sleep, but does not affect total wake time or duration of sleep.  Melatonin is commonly given to pets in the management of anxiety and stress.

Quiet Moments Calming Aid Gel is an easy to use calming aid for dogs and puppies. Helps to support the nervous system in reducing stress and tension.' A great tasting gel that is easy to use at home or while traveling.

VetriScience Composure Small Canine bite-sized Chews are for dogs exhibiting nervousness, hyperactivity, anxiety or responding to environmentally induced stress. It contains a combination of factors not found in other calming formulas that support balanced behavior.

VetzLife @-Eaze is a professional strength calming formulation for pets. Contains the naturally occurring amino acid L-Theanine found in green tea, along with botanical extracts and vitamins for promoting a restful, relaxed state without causing sedation or reduced alertness. Relieves stress and anxiety.

Nutri-Vet Pet-Ease Soft Biscuits contain a grain-free veterinary blend of herbs, vitamins, amino acids and minerals that help promote relaxation and calmness. Pet-Ease helps maintain contentment during separation, travel, anxiety and stress caused by changes in the daily routine. It may also help curb destructive behavior and motion sickness.

Nutri-Vet Pet Ease Chewables For Dogs are liver flavored chewable tablets to help calm and relax dogs naturally during stressful events. Contains a veterinary formulated blend of herbs and amino acids that help maintain contentment during separation, travel, and tension caused by changes in your dog's daily routine. Relieving anxiety may also curb destructive behavior and motion sickness related to the stressful situation.

Anxiety Relief Drops For Pets are fast-acting, non-sedating, anti-anxiety drops given to calm pets undergoing stressful situations - spraying, rescue pets, moving, vet visits, new pets, traveling. Safe, gentle, 100% natural.

Travel Anxiety will provide relief from the visually induced motion sickness. It will also calm them from relocation fear. It will take care of sickness, nervousness, drooling and pacing while traveling in a vehicle.

HomeoPet Fireworks (Thunderstorm, Fireworks, Loud Noise) promotes a sense of calm in pets exhibiting fear, fretting, anxious or unwanted behavior.

HomeoPet Pro Storm Stress helps to control Anxiety or anxiety induced conditions such as fear of thunder, fireworks, wind, loud noises, gunshots, hurricanes and tornados, storms, stormy weather and heavy thunderous rainfall.

Vet Classics Stress Away is an easy to use calming aid for dogs and cats. Recommended to help reduce anxiety and tension during times of stress. Stress Away Soft Chews are also given when traveling by car plane or boat.

HomeoPet Storm Stress for dogs, cats, puppies and kittens helps to control anxiety or stressful conditions such as fear of thunder, fireworks, wind, loud noises, gunshots, hurricanes and tornadoes, storms, stormy weather and heavy thunderous rainfall.

Safety Zone Canine Natural Herbal Calming Spray by Vet Classics is formulated to stimulate the type of canine pheromones that provide dogs and puppies with a sense of safety and well being. Your pet will find comfort in the light fresh fragrance.

ProQuiet is a safe and gentle L-tryptophan formula that is helpful for maintaining a healthy nervous system and mental attitude in dogs and cats. Safe enough to use daily or can be used as needed in stressful situations - travel, holidays.

VetriCalm was developed to help calm, soothe and relieve anxiety in dogs and puppies during stressful times like travel, boarding and thunderstorms. Highly palatable roast beef and liver flavor.

ThunderWunders Calming Chews for Dogs are recommended to help reduce the anxiety caused by normal environmental stress and to help promote calming and relaxation. Common stressful situations when given include fireworks, thunderstorms, traveling, vet visits and grooming. For dogs 12 weeks and older.

ThunderSpray by Thunderworks mimics a mother's natural pheromones and contains soothing fragrances of lavender and chamomile. ThunderSpray can be used as an area spray or sprayed directly onto the ThunderShirt to allow the calming pheromones and fragrances to continue to release for an extended period of time. ThunderSpray is great for veterinary visits, grooming, crating, travel, fear of thunderstorms, pet and owner separation, anxiety of other animals or people, general fearfulness and many other stressful situations.

Vet Classics Stress Away offers support to your pet during periods of anxiety, nervousness, tension or stress such as traveling, grooming, thunderstorms, or trips to the veterinarian. Contains all natural active ingredients.

Covetrus Behavior Chews For Cats and Dogs is a calming support formula made with naturally sourced ingredients. Behavior Chews are recommended for cats and dogs exposed to increased environmental stressors. Pets undergoing stress can lead to a number of unwanted behavioral states including anxiety, nervousness, hyperactivity, abnormal urine marking, excessive scratching, trembling or shivering and destructive or aggressive behavior. It is an advanced formula that contains a combination of factors not found in other calming formulas that support balanced behavior.

Resources  Anxiety & Stress Canine Calming Support is a complex blend of natural ingredients that balance the calming effects between the CNS and the heart, reducing anxiety without effecting a pet's emotional balance and personality.

Composure Soft Chews are for dogs exhibiting nervousness, hyperactivity, anxiety or responding to environmentally induced stress. It contains a combination of factors, not found in other calming formulas, that support balanced behavior.

Composure Liquid MAX is recommended for dogs and cats exposed to increased environmental stressors. An advanced formula that contains factors not found in other calming formulas that help control and reduce behavioral problems associated with stress.

Rx Vitamins NutriCalm For Dogs is a formula to calm and soothe dogs exhibiting nervousness, anxiety or aggression. Formulated with pharmaceutical-grade L-Tryptophan, an essential amino acid which is converted to serotonin in the brain. L-Theanine, Valerian Root and Ashwaganda also help to soothe and relax dogs naturally, effectively and safely.

Covetrus Behavior Powder Canine Probiotic Supplement contains a probiotic strain shown to help dogs maintain calmness and better able to cope with external stresses like separation anxiety, veterinary visits, boarding, grooming, visitors, sounds or changes in routine and location. Behavior Powder promotes a positive emotional state and cardiac activity during stressful events.

VetriCalm was developed to help calm, soothe and relieve anxiety in dogs and puppies during stressful times like travel, boarding and thunderstorms. Highly palatable roast beef and liver flavor.

Purina Calming Care Canine Probiotic Supplement contains a probiotic strain shown to help dogs maintain calmness and better able to cope with external stresses like separation anxiety, visitors, sounds or changes in routine and location. Calming Care promotes a positive emotional state and cardiac activity during stressful events.  Contains 6-week supply of calming support.

Vet Classics Stress & Anxiety Soft Chews for dogs is formulated with a synergistic blend of botanicals to support calming behavior. Anxiety & Stress chews is effective for dogs exhibiting nervousness, anxiety, or because of environmental stress like traveling, boarding, or separation. Can be given long-term.

Anxitane Tablets significantly reduce stress related reactions in dogs and cats. As a nutraceutical, it is an attractive alternative to pharmaceuticals. Safe and without known side effects. No drowsiness and no  known interactions with other therapeutics.

Thundershirts for dogs has a patent-pending design, Thundershirt's gentle, constant pressure has a dramatic calming effect for most dogs if they are anxious, fearful or over-excited.

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Thundershirts for dogs has a patent-pending design, Thundershirt's gentle, constant pressure has a dramatic calming effect for most dogs if they are anxious, fearful or over-excited. Based on surveys completed by over two thousand customers, over 80% of dogs show significant improvement in symptoms when using Thundershirt.