Top 5 Supplements for Dog Heart Murmur Support

Does the sound of your dog’s heart worry you? Many dog owners hear a heart murmur during a check-up. This can feel scary. You want the best for your furry friend. You look online for help. You see so many different supplements advertised. Which one truly helps a dog with a heart murmur? It’s easy to feel confused and overwhelmed by all the choices.

Finding the right support for your dog’s heart condition is important. You want supplements that are safe and actually work. Learning what ingredients matter most can be tough. We understand this struggle. This post cuts through the noise.

We will break down the key supplements that veterinarians often suggest. You will learn what each ingredient does for your dog’s heart health. By the end, you will feel much more confident picking the best support. Let’s explore the options that can help your beloved companion live a happier, healthier life.

Top Supplement For Dog With Heart Murmur Recommendations

Bestseller No. 1
Heart Support Supplement for Dogs-Vet-Formulated, Antioxidant-Rich-L-Taurine, L-Carnitine,EPA,DHA,CoQ10-Aids Circulatory Strength, Cardiovascular Support, Heart Muscle Function-USA Made-60 Soft Chews
  • HEART HEALTH SUPPORT: Formulated with L-Taurine, L-Carnitine, and Coenzyme Q10 to promote optimal cardiac function and maintain healthy heart muscle strength in dogs
  • COMPLETE FORMULA: Contains essential nutrients including L-Carnitine and Coenzyme Q10 that work together to support cardiovascular health and circulatory strength
  • EASY ADMINISTRATION: Comes in 60 palatable soft chews that dogs will love, making daily supplementation stress-free and convenient
  • VETERINARY QUALITY: Professional-grade supplement specifically designed to support heart muscle function and maintain cardiovascular health in canines
  • GENEROUS SUPPLY: Each container provides 60 soft chews with a net weight of 10.1 oz (288g), offering a substantial supply of heart health support
Bestseller No. 2
Pet Wellbeing Young at Heart for Dogs - Senior Heart Health Support, Cardiovascular Wellness with Hawthorn & Motherwort - NASC Certified & Vet-Formulated - 2 oz Liquid Formula
  • ❤️ SENIOR HEART HEALTH SUPPORT - Veterinarian-formulated herbal blend specifically designed to support cardiovascular wellness and heart health in senior dogs. Gentle, effective formula promotes healthy heart function and maintains vitality as dogs age gracefully.
  • 🐕 AGE-APPROPRIATE CARDIOVASCULAR WELLNESS - Carefully crafted for mature dogs experiencing age-related changes, supporting healthy circulation, heart function, and overall cardiovascular wellness. Perfect for senior dogs needing gentle heart health maintenance.
  • 🌱 GENTLE HERBAL APPROACH - Traditional herbs used for centuries to support heart health and cardiovascular wellness. Provides comprehensive senior wellness support that works with your dog's natural aging processes while maintaining comfort and dignity.
  • 💧 RAPID LIQUID ABSORPTION - Premium liquid format ensures optimal absorption and faster, noticeable benefits compared to pills or powders. Natural herbal blend is well-tolerated and can be mixed with mealtime for easy administration to senior dogs.
  • 💧 RAPID LIQUID ABSORPTION - Premium liquid format ensures optimal absorption and faster, noticeable benefits compared to pills or powders. Natural herbal blend is well-tolerated and can be mixed with mealtime for easy administration to senior dogs.
Bestseller No. 3
Zesty Paws Cardiovascular Support for Dogs - Taurine for Dogs - with CoQ10, L Carnitine & Sea Buckthorn - Senior Heart Health - AlaskOmega Fish Oil Omega 3 - Senior - Salmon - 90 Count
  • Fun Ingredients for Your Furry Friend - Each chewable also includes Hawthorn Berry, L Arginine, Vitamin E (as D Alpha Tocopherol), and Folic Acid to give pets heart support.
  • Healthy Heart = Happy Pup! = Zesty Paws Cardio Bites are premium pet chewables that contain a blend of ingredients that promote healthy cardiovascular function for your canine companion.
  • Featuring AlaskOmega Fish Oil - Each salmon flavored chew contains AlaskOmega, a traceable and sustainable fish oil that provides Omega-3 fatty acids (EPA and DHA) that support cardiovascular health.
  • Plus Coenzyme Q10 - At 20 mg per chew, CoQ10 supports normal cardiovascular function and health.
  • Amino Acid Support - This supplement contains Taurine and L-Carnitine. Together, these amino acids support circulation and normal function of the cardiac muscle to help dogs feel their best.
Bestseller No. 4
Wonder Paws Cardio Support for Dogs – Cardiovascular Chews Heart Health, Circulation, Energy & Weight Management - with L-Carnitine, Hawthorn Berry, Coenzyme Q10 & Taurine for Dogs – 90 Soft Chews
  • GAIN THE HEART PUMPING SUPERPOWER: Wonder Paws Cardio Chews provide the fuel to get your pet flying no matter the age! Our Cardiovascular Chews include Carniking, the emperor of amino acids to help maintain healthy circulation, heart health, normal blood flow and weight management. Included are powerful dosages of Taurine and CoQ10 to support energy and vitality!
  • WEIGHT MANAGEMENT & CIRCULATION SUPPORT: Whether you have a young pup or senior dog, supporting your pet’s cardiovascular health, circulation and weight management is important for maintaining vitality. Just one chew provides powerful heart supporting dosages of CoQ10 and Taurine to help support cardiovascular function so your furry friend can keep the fun going!
  • CLINICALLY STUDIED L-CARNITINE: Wonder Paws Cardiovascular chews for dogs includes Carniking, a powerful clinically studied L-Carnitine to help support heart health, energy and weight management. We’ve also included a powerful dose of Taurine for dogs, Hawthorn Berry and CoQ10 for dogs’ hearts and cardiovascular support. Unlike other cardio canine formulas, we use ingredients that have shown to work in pets.
  • TASTY BACON FLAVORED CHEWS: Not only do our cardiovascular chews support cardio strength, but they taste delicious and are made without gluten, soy, shellfish and dairy. Just give two delicious bacon flavored soft chews for pets up to 75 pounds and three chews for pets over 75 pounds. Watch your pet devour these tasty healthy cardio treats!
  • COMMITMENT TO QUALITY: Our Heart Chews are manufactured in the United States with domestic and imported ingredients in a facility that adheres to Good Manufacturing Practices. Wonder Paws is a member of the prestigious National Animal Supplement Council which ensures strict quality control standards.
Bestseller No. 5
Bestseller No. 6
Standard Process Inc. Canine Cardiac Support - Dog Heart Health Supplement - Nutritional Formula to Support Cardiac Function - Pet Health Supplement with Selenium - 25 g
  • Dog Supplement for Heart Support: Our nutritional supplement is a supplement for dogs that provides selenium to support pathways involved in cardiac function
  • Selenium-Rich Nutritional Supplement: This dog heart health supplement provides essential selenium to aid in the normal function of cardiac muscle cells and support cardiac function
  • Whole-Food Health Supplement: Our Canine Cardiac Support is crafted with whole-food-based components and bovine liver to support your dog's heart health
  • Supplement Measurement & Dosing: Includes a 1/8 teaspoon scoop for small bottles and a 1/2 teaspoon scoop for large bottles for an accurate dosage based on your dog's weight
  • About Standard Process: Standard Process has been an industry leader in whole food based nutritional supplements for over 95 years
Bestseller No. 7
VetriScience Extra Strength Healthy Heart Chews, Vetri Cardio Supplement for Dogs, Heart Support Supplement with Taurine, Carnitine, CoQ10, Hawthorn and Berberine, Chicken, 60 Count
  • Daily Heart Support: A heart-health supplement for dogs designed to promote healthy circulation, a strong heartbeat, normal blood pressure, strong heart muscles, and easier breathing
  • Vitamins for Heart Health: Made with CoQ10, Carnitine, and heart-healthy vitamins and minerals to offer extra-strength cardio support for small, medium, and large breed dogs
  • Taurine Supplement for Dogs: Powerful taurine heart supplement recommended for dog breeds including Cavalier King Charles Spaniels, Dobermans, Boxers, Golden Retrievers, Great Danes, and Poodles
  • For Dogs of All Ages: While heart-support supplements are often recommended for senior and geriatric dogs, Extra Strength Healthy Heart chews are appropriate for all dogs needing additional cardio support
  • Delicious Soft Chews: Chicken-flavored soft chews are easy to split and specifically formulated to be irresistible to dogs, with a drool-worthy scent and a chewy texture dogs love
Bestseller No. 8
Zesty Paws Cardiovascular Support for Dogs - Taurine for Dogs - with CoQ10, L Carnitine & Sea Buckthorn - Senior Heart Health - AlaskOmega Fish Oil Omega 3 - Senior - Salmon - 90 Count
  • For the Bestie That Has Your Heart! - Zesty Paws Senior Advanced Cardio Bites are soft chews uniquely made with beneficial ingredients that support cardiovascular function for senior dogs.
  • Premium Sea Buckthorn - Each chewable includes SeabuPure, premium form of Sea Buckthorn that supports circulation and cardiovascular function, while also providing antioxidant protection.
  • Featuring AlaskOmega Fish Oil - This supplement includes this premium, sustainably sourced fish oil to provide Omega-3 fatty acids (EPA and DHA) that support canine cardiovascular health.
  • Supports the Heart in More Ways than One! - The Taurine and L-Carnitine for Dogs in each chew work together to support normal circulatory function, heartbeat, and cardiac muscle function for older dogs.
  • Beneficial Ingredients in Every Bite - Includes Pumpkin Seed Powder, CoQ10, Hawthorne Powder, L-Arginine, Folic Acid, and Vitamin E for additional heart, immune, and antioxidant support for pets.

The Ultimate Buying Guide: Supporting Your Dog’s Heart Health

A heart murmur in a dog means the heart makes an unusual sound when it beats. While some murmurs are harmless, others need extra care. Supplements can help support your dog’s heart function. This guide helps you choose the best one.

Key Features to Look For

When you shop for a heart supplement, look for these important things:

  • Veterinarian Recommended Ingredients: The best supplements use ingredients proven to help the heart. Ask your vet what they suggest.
  • Appropriate Dosage: The amount of each ingredient must be right for your dog’s size and weight. Too little won’t help; too much might cause problems.
  • Easy Administration: Dogs can be picky eaters! Look for chewable treats, soft gels, or tasteless powders that mix easily into food.
  • Quality Seals: Check if the product has quality seals from organizations that test supplements. This shows the company follows good manufacturing practices.
Important Ingredients Your Dog Needs

The best heart supplements contain specific nutrients that keep the heart muscle strong and help blood flow smoothly.

  • Taurine and L-Carnitine: These are amino acids. Think of them as building blocks for strong heart muscle cells. They help the heart pump blood efficiently.
  • Coenzyme Q10 (CoQ10): This powerful antioxidant protects heart cells from damage. It also helps the heart create energy.
  • Omega-3 Fatty Acids (EPA and DHA): These come from fish oil. They help reduce inflammation, which is important for overall heart health and can help with fluid buildup sometimes seen with heart issues.
  • B Vitamins: Vitamins like B6 and B12 help the body use energy correctly, which is vital for the constantly working heart muscle.
Factors That Improve or Reduce Supplement Quality

Not all supplements are made equally. Good quality makes a big difference in how much your dog benefits.

Quality Boosters:

High-quality supplements use pure ingredients. They avoid cheap fillers like corn or soy if your dog has allergies. Manufacturing in a facility that follows strict rules (GMP certified) also improves quality. Freshness matters too; check the expiration date.

Quality Reducers:

Low-quality products often use synthetic (man-made) ingredients instead of natural ones. They might hide the exact amounts of active ingredients in a “proprietary blend.” If the label is unclear about what is inside, the quality is likely lower.

User Experience and Use Cases

How do other dog owners find using these products? The experience often revolves around ease of use and visible results.

Ease of Use: If the supplement tastes bad, you will struggle to give it daily. Many owners prefer soft chews because they mimic a treat. If the powder smells strongly of fish, it might be rejected by sensitive eaters.

Use Cases: These supplements are generally used as part of a complete heart care plan prescribed by a veterinarian. They are not a cure for heart disease. Owners use them to maintain energy levels, support muscle function, and potentially slow down the progression of the murmur’s impact. Many owners report their older dogs seem to have more stamina after starting a good supplement routine.


10 Frequently Asked Questions (FAQ)

Q: Can supplements cure my dog’s heart murmur?

A: No, supplements cannot cure a heart murmur. They work with your vet’s prescribed medications to support the heart muscle and improve the dog’s quality of life.

Q: How long does it take to see results?

A: It often takes four to six weeks before you notice any real change in your dog’s energy or breathing. Consistency is key.

Q: Should I stop my dog’s current heart medication?

A: Never stop or change prescribed medication. Always talk to your veterinarian before adding or removing any supplement.

Q: Are these supplements safe for puppies?

A: Most heart supplements are made for adult or senior dogs. Always confirm the safety and correct dosage for a puppy with your vet first.

Q: What if my dog refuses to eat the supplement?

A: Try crushing a chewable tablet and mixing it with a small amount of strong-smelling food, like plain yogurt or canned meat.

Q: Do I need a prescription for these supplements?

A: Usually, you do not need a prescription to buy heart supplements over the counter, but your vet’s recommendation is very important.

Q: What is the difference between Taurine and L-Carnitine?

A: Taurine helps the heart contract strongly, while L-Carnitine helps move fatty acids into the heart cells so they can create energy.

Q: Can I give my dog human CoQ10?

A: No. Doses are different for dogs, and human supplements might contain ingredients that are unsafe for dogs. Use only products made specifically for pets.

Q: What side effects might occur?

A: Side effects are rare when given correctly. Too much fish oil might cause loose stool or an upset stomach initially. Watch your dog closely when starting any new product.

Q: How should I store the heart supplement?

A: Store them in a cool, dark, and dry place, just like human vitamins. Keep them sealed tightly to maintain freshness.