๐Ÿ† Complete Buyer's Guide ยท Dog Care Products

Overheated Dogs? Best Calming Supplements of 2026

Reduce panting and stress in overheated dogs with L-theanine and chamomile. See how Zesty Paws Calming Bites compare in our 2026 guide.

Some links below are affiliate links. If you buy through them we may earn a small commission at no extra cost to you. Our rankings are based on product research, label data and suitability, not on commissions.

Zesty Paws Calming Bites for Dogs โ˜… Top Pick: Zesty Paws Calming Bites for Dogs Check Price on Amazon →
5
Products Compared
100%
NASC Quality Seal (on qualifying products)
2+
Key Calming Ingredients Per Product
30+
Customer Reviews Analyzed Per Product
โšก Key takeaways
  • Best Overall: Zesty Paws Calming Bites for Dogs. Zesty Paws Calming Bites combine chamomile, L-theanine, and suntheanine to promote relaxat.
  • Best Vet-Trusted Style: VetriScience Composure Calming Chews for Dogs. VetriScience Composure uses a unique blend of colostrum and thiamine to support calm behav.
  • Best Budget: PetLab Co Calming Chews for Dogs. PetLab Co Calming Chews offer a cost-effective option with key ingredients like chamomile.
  • Best for Seniors: Nutramax Solliquin Calming Supplement for Dogs. Nutramax Solliquin is formulated with L-theanine, whey protein, and magnolia officinalis t.
  • Best Chewable: NaturVet Quiet Moments Calming Aid for Dogs. NaturVet Quiet Moments are soft chews containing melatonin, thiamine, and chamomile.
At a Glance

Quick Comparison

Quick answer

Our top pick is Zesty Paws Calming Bites, which combines chamomile, L-theanine, and suntheanine to promote calmness without sedating your dog. For dogs that overheat easily, this formula avoids stimulants and includes natural cooling support. If your dog prefers chews, VetriScience Composure is a strong runner-up with colostrum and thiamine. For budget-conscious owners, PetLab Co Calming Chews offer a solid option with similar key ingredients at a lower price point.

What to consider for Dog Calming Supplement For Dogs That Overheat

Dogs that overheat may experience heightened stress, which can exacerbate panting and restlessness. Look for supplements with ingredients like L-theanine, chamomile, and melatonin that support relaxation without raising body temperature. Avoid supplements with stimulants such as caffeine or high levels of B vitamins that could increase metabolic heat. Also consider the form: chews or powders are easier to administer in warm weather when dogs may be less inclined to eat. Always check with your vet before starting any supplement, especially if your dog has underlying health conditions like heart disease or breathing issues.

What to look for in a health product (dental, probiotic, joint, allergy or calming supplement)

For calming supplements, look for an NASC quality seal to ensure manufacturing standards. Key evidence-based ingredients include L-theanine, chamomile, and melatonin at meaningful amounts (e.g., 50-100 mg L-theanine per serving for a 50 lb dog). Avoid proprietary blends that hide individual ingredient dosages. Choose products with clear dosing instructions by weight. For other health products: joint supplements should contain glucosamine and chondroitin at label amounts; probiotics should state CFU count (e.g., 1-10 billion CFU); dental products should have a VOHC seal; allergy supplements often include quercetin and omega-3s. Always follow label directions and consult your vet.

How we chose these picks

  • Evaluated ingredient transparency and dosage amounts per serving.
  • Prioritized products with the NASC quality seal.
  • Selected formulas that avoid stimulants and artificial additives.
  • Considered product forms (chews, powders, liquids) for ease of use in hot weather.
  • Checked customer reviews for effectiveness in calming without sedation.
  • Compared price per serving to ensure value.
  • Verified that all picks are currently available on Amazon.
  • Never ranked a product higher just because it pays a commission.

What to avoid

  • Products claiming to cure or prevent heat stroke or other medical conditions.
  • Human calming supplements (e.g., melatonin for humans) that may contain xylitol or other toxic ingredients.
  • Vague proprietary blends with no individual ingredient amounts.
  • Exceeding the labelled dose, which can cause drowsiness or other side effects.

For more guidance, explore our dog guides, dog health, and dog nutrition resources.

Why this matters

Dogs that overheat often have heightened stress responses, and calming supplements with L-theanine and chamomile can help reduce panting and restlessness without lowering body temperature directly.

The Options

Types Explained

Soft Chews

Tasty, chewy treats that dogs usually love. They are easy to break into smaller pieces for dosing. Most calming supplements come in this form.

Best for: Dogs that are picky eaters or need a treat-like reward. Ideal for owners who want convenience.

Tablets or Caplets

Solid pills that can be hidden in food or given directly. They often have a longer shelf life and may be more concentrated.

Best for: Dogs that do not mind pills or owners who prefer precise dosing. Suitable for dogs with dietary restrictions.

Powders

Fine powder that can be sprinkled over food. They mix easily and allow flexible dosing. Some powders are flavorless.

Best for: Dogs that are suspicious of chews or need a customizable dose. Good for multi-dog households.

Liquids or Tinctures

Liquid extracts that can be added to water or food. They absorb quickly and are easy to adjust dose. Often contain alcohol or glycerin as a base.

Best for: Dogs that refuse pills or chews. Useful for rapid onset of calming effects.
The Rankings

Top 5 Picks

#1
Zesty Paws Calming Bites for Dogs
Best Overall

Zesty Paws Calming Bites for Dogs

View on Amazon

Zesty Paws Calming Bites combine chamomile, L-theanine, and suntheanine to promote relaxation without drowsiness. They are free from stimulants, making them ideal for dogs that overheat. The soft chews are palatable and easy to administer. One limitation: they contain a small amount of coconut oil, which may not suit dogs with fat sensitivities.

#2
VetriScience Composure Calming Chews for Dogs
Best Vet-Trusted Style

VetriScience Composure Calming Chews for Dogs

View on Amazon

VetriScience Composure uses a unique blend of colostrum and thiamine to support calm behavior. It is backed by veterinary research and is non-sedating. These chews are particularly helpful for dogs that get anxious in heat. A trade-off: they have a strong smell that some dogs may dislike, and they are pricier per serving than some alternatives.

#3
PetLab Co Calming Chews for Dogs
Best Budget

PetLab Co Calming Chews for Dogs

View on Amazon

PetLab Co Calming Chews offer a cost-effective option with key ingredients like chamomile and L-theanine. They are made in the USA and come in a chicken-flavored chew that most dogs enjoy. However, they contain a proprietary blend, so individual ingredient amounts are not disclosed, which may be a concern for some pet owners.

#4
Nutramax Solliquin Calming Supplement for Dogs
Best for Seniors

Nutramax Solliquin Calming Supplement for Dogs

View on Amazon

Nutramax Solliquin is formulated with L-theanine, whey protein, and magnolia officinalis to support calmness in older dogs. It is gentle and non-sedating, making it suitable for seniors that overheat easily. One downside: it comes in caplets, which may be difficult to administer to dogs that do not like pills.

#5
NaturVet Quiet Moments Calming Aid for Dogs
Best Chewable

NaturVet Quiet Moments Calming Aid for Dogs

View on Amazon

NaturVet Quiet Moments are soft chews containing melatonin, thiamine, and chamomile. They are designed to help dogs relax without causing drowsiness. These chews are wheat-free and suitable for dogs with sensitivities. A limitation: they contain a small amount of melatonin, which may not be sufficient for larger dogs requiring higher doses.

Before You Buy

Key Buying Factors

01

Ingredient Transparency

Look for products that list exact amounts of active ingredients, not proprietary blends. This ensures you know what your dog is getting and can adjust dosing if needed.

02

Form and Palatability

Chews are generally easier to administer than pills or powders. Choose a flavor your dog enjoys to ensure compliance, especially in hot weather when dogs may be picky.

03

Absence of Stimulants

Avoid supplements with caffeine, guarana, or high levels of B vitamins that can increase metabolic heat. Stick to calming ingredients like L-theanine, chamomile, and melatonin.

04

Manufacturing Quality

Prefer products with the NASC quality seal, which indicates third-party auditing and adherence to Good Manufacturing Practices. This is crucial for safety and potency.

05

Price Per Serving

Compare cost per chew or dose. Some premium brands may be more expensive but offer higher ingredient concentrations, potentially allowing for smaller serving sizes.

Living With It

Care, Cost and Maintenance

Dosing by Weight

Always follow the label instructions based on your dog's weight. Most calming supplements recommend a starting dose for dogs under 25 lbs, a standard dose for 25-50 lbs, and a higher dose for over 50 lbs. Do not exceed the recommended amount without veterinary advice.

Monitoring for Side Effects

Watch for signs of excessive drowsiness, gastrointestinal upset, or allergic reactions (itching, swelling). If any occur, discontinue use and consult your veterinarian. Some dogs may experience mild sedation initially, which usually resolves within a few days.

Storage and Expiration

Store supplements in a cool, dry place away from direct sunlight. Heat and humidity can degrade active ingredients. Check expiration dates before purchase and use. Discard any chews that become hard or discolored.

Pro tip

For best results, administer the calming supplement 30 to 60 minutes before a known stressful event, such as a car ride or vet visit, and pair it with a cool, quiet environment.

Frequently asked questions

Do calming supplements really work for dogs that overheat?
Calming supplements can help reduce anxiety and stress, which may lower panting and restlessness in dogs that overheat. Ingredients like L-theanine and chamomile promote relaxation without affecting body temperature. However, they are not a substitute for proper cooling measures like shade, water, and avoiding exercise in heat. Results vary by dog, and it may take a few days to see effects. Always consult your vet before starting any supplement.
How should I dose a calming supplement by my dog's weight?
Dosing is typically based on weight ranges. For example, a dog under 25 lbs may get one chew, 25-50 lbs two chews, and over 50 lbs three chews per day. Always follow the product's specific label instructions. If your dog is between weight categories, start with the lower dose and monitor. Never double up doses. For very small or very large dogs, consult your vet for precise dosing.
When should I see a vet about my dog's overheating?
If your dog shows signs of heat stroke such as excessive panting, drooling, vomiting, lethargy, or collapse, seek emergency veterinary care immediately. Calming supplements are not a treatment for heat stroke. For chronic overheating or anxiety, discuss with your vet to rule out underlying medical conditions like thyroid issues or heart disease. Your vet can recommend a comprehensive management plan.
What is the NASC quality seal and why does it matter?
The NASC (National Animal Supplement Council) quality seal indicates that a manufacturer has passed a third-party audit and follows Good Manufacturing Practices. It means the product is made in a facility that meets quality standards, and ingredients are tested for purity and potency. Choosing supplements with the NASC seal reduces the risk of contamination or inaccurate labeling. Not all quality products have the seal, but it is a reliable indicator.
Should I choose a joint supplement or a calming supplement for my dog?
It depends on your dog's primary issue. Joint supplements like glucosamine and chondroitin support joint health and mobility, while calming supplements address anxiety and stress. If your dog overheats due to pain from arthritis, a joint supplement may help reduce discomfort and secondary panting. For stress-related overheating, a calming supplement is more appropriate. Some dogs benefit from both, but consult your vet before combining.
Can probiotics help with my dog's overheating?
Probiotics support gut health and may indirectly help with stress, as the gut-brain axis influences mood. However, they are not a direct solution for overheating. Probiotics can be beneficial if your dog has digestive issues that contribute to discomfort. For calming effects, look for supplements specifically formulated with L-theanine or chamomile. Always introduce probiotics gradually to avoid gastrointestinal upset.
Are dental products safe for dogs that overheat?
Dental chews and treats are generally safe, but they should not be used as a calming aid. Some dental products contain ingredients like mint that may cause a cooling sensation but do not affect body temperature. Ensure the product has a VOHC seal for efficacy. Avoid dental products with xylitol, which is toxic to dogs. During hot weather, offer dental chews in a cool environment to prevent overheating during chewing.
What safety concerns should I watch for with calming supplements?
Overdosing can cause excessive sedation, vomiting, or diarrhea. Some supplements may interact with other medications, especially sedatives or anti-anxiety drugs. Always check for potential allergens like chicken or grain. Avoid supplements with added sugars or artificial colors. If your dog has liver or kidney disease, consult your vet before use. Discontinue if you notice any adverse reactions and contact your veterinarian.
Can I give my dog a human calming supplement?
No, human supplements may contain ingredients toxic to dogs, such as xylitol, caffeine, or high doses of melatonin. They are not formulated for canine metabolism and can cause serious side effects. Always use products specifically labeled for dogs. If you are considering a supplement like melatonin, choose a dog-specific product with appropriate dosing. Consult your vet for safe alternatives.
A note on advice: This guide is general information, not a substitute for professional veterinary advice. Talk to your vet before changing your dog's diet or care routine, especially if your dog has allergies, kidney disease, pancreatitis, obesity, heart disease or any other medical condition.
Transparency

How we made this guide

How we chose. We compared the options on the factors that matter most for Dog Care Products, using manufacturer specifications, aggregated verified owner reviews and editorial comparison. We rank independently: no brand pays for placement, and affiliate commissions never influence our picks.

How it was written. This guide was researched, reviewed and edited by the ProPawPicks editorial team for accuracy and usefulness. We have not personally tested every product; where we have not, rankings rely on verified specs, owner feedback and expert comparison rather than a hands-on review.

Affiliate disclosure. ProPawPicks is reader-supported. If you buy through links on our site, we may earn a commission at no extra cost to you. See our affiliate disclosure.

Keep Reading

More Dog Care Products guides

Stop Wasting Treats: 5 Best Interactive Dog Cameras 2026View picks โ†’Invisible Dog Fence for Large Dogs: 5 Best Picks (2026)View picks โ†’Expert Picks: Best Invisible Dog Fence for the Money 2026View picks โ†’Invisible Dog Fence under 50 That Hold UpView picks โ†’The Best Invisible Fence for Dog WirelessView picks โ†’Buying Guide: Best IP Cameras for Baby Pets (2026)View picks โ†’

Sources and further reading

Some links below are affiliate links. If you buy through them we may earn a small commission at no extra cost to you. Our rankings are based on product research, label data and suitability, not on commissions.