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5 Best Magnesium Supplements for Dogs

Written by: Arlene Divina
Arlene Divina, one of the content writers at IHD, loves going on adventures with her adorable fur baby. She now creates informative content for pet parents. Read more
| Published on July 29, 2023
iHeartDogs is reader supported. Some of the links below may be paid affiliate links, where we receive a small commission on a product at no additional cost to you. 

Magnesium is a vital mineral that plays an essential role in over 300 enzymatic reactions within the body, including the metabolism of food, synthesis of fatty acids and proteins, and the transmission of nerve impulses. Despite its importance, magnesium deficiency can occur in dogs, leading to a variety of health issues. This article aims to guide you through the best magnesium supplements available in the market that can help ensure your furry friend gets their required magnesium intake and maintains optimal health.


#1 – ThorneVet B ComplexVET – Vitamin B Complex Support for Dogs, Cats & Horses, 60 Soft Chews

ThorneVet B ComplexVET is a supplement designed to provide comprehensive Vitamin B Complex support for dogs, cats, and horses. The formula includes essential B vitamins such as B1, B2, B3, B5, B6, B12, Folate, Biotin, and Choline, which aid in absorbability and digestion. This product aims to promote overall health and reduce the negative effects of stress in companion animals, while also supporting energy production, red blood cell formation, and neurological function.


#2 – The Nosey Nose: Nosework Scentwork Training for Dogs Puzzle Brain Games, Anise Scent (Zipper Pouch)

The Nosey Nose is a nosework scent work training toy for dogs that engages their brain and keeps them focused. The toy provides interactive games and puzzles to stimulate your dog mentally and build their confidence. It uses the scent of anise, which excites dogs and is easy for them to detect, providing a unique and fun experience. This toy is designed to give your dog a purpose and direction, especially for visually or mobility-impaired dogs or those with activity limitations. The Nosey Nose aims to make nosework a staple activity for all dog lovers, providing a focused and distraction-free experience for your dog.


#3 – Nutrition Strength Minerals for Dogs, Support Cells & Nerves, Fortify Bones & Muscles, Promote Overall Health with Calcium, Phosphorus, Magnesium, Potassium, Selenium, Iron, Zinc, 120 Chewable Tablets

The Nutrition Strength Minerals for Dogs is a supplement that aims to support the cells, nerves, bones, and muscles of dogs. It contains a blend of minerals such as calcium, phosphorus, magnesium, iron, zinc, selenium, and potassium that are essential for various bodily functions. The tablets are made in the USA and meet strict manufacturing guidelines to ensure the safety and quality of the product.


#4 – Rx Vitamins Canine Minerals – Dog Calcium Supplement Plus Magnesium & Potassium – Mineral Powder for Dogs – Mineral Supplement for Dogs 16 oz

The Rx Vitamins Canine Minerals is a mineral supplement powder designed for dogs. Each scoop contains 500 milligrams of calcium carbonate and provides several trace minerals to support the overall health of dogs. The product is formulated with a natural seabed mineral complex, making it a potentially beneficial addition to a dog’s diet.


#5 – Animal Essentials Seaweed Calcium Supplement for Dogs & Cats, 12 oz, Iceland Seaweed Magnesium, Boron, Zinc

The Animal Essentials Seaweed Calcium Supplement is a 12 oz product designed for both dogs and cats. It contains magnesium, boron, and zinc from Iceland seaweed and is certified clean and free of lead, hormones, and other contaminants. The supplement is highly digestible, allowing for smaller feeding amounts and lower costs. It is virtually odorless and flavorless, making it easy to feed to pets. Additionally, the product is environmentally sustainable and each batch is tested for pathogens and chemical contaminants, ensuring its safety. The zip pouch is also 100 percent recyclable.


What Are The Benefits of Magnesium for Dogs?

Magnesium plays a crucial role in a variety of metabolic functions that maintain a dog’s overall health. Here are some of its key benefits:

  1. Nerve and Muscle Function: Magnesium aids in the regulation of nerve impulse transmission and muscle contraction, contributing to a dog’s movement and coordination.
  2. Bone Health: It is essential for the formation and strength of bones and teeth. Magnesium facilitates the body’s absorption and utilization of essential minerals like calcium and phosphorus.
  3. Metabolism and Energy Production: As a co-factor in hundreds of enzymatic reactions in the body, magnesium is vital for the metabolism of nutrients and the production of energy.
  4. Heart Health: Magnesium helps maintain a steady heart rhythm and is often used as a supplement for dogs with specific heart conditions.
  5. Stress and Anxiety: Some studies suggest magnesium may have a calming effect and can help reduce stress and anxiety in dogs.

It’s important to note that while magnesium is essential, it should be given in the right quantities, as both deficiency and excess can lead to health problems. Always consult a veterinarian before adding any supplements to your dog’s diet.


Frequently Asked Questions About Dog Magnesium Supplements

  1. Q: Why might my dog need a magnesium supplement? A: Dogs may need a magnesium supplement if they have a magnesium deficiency, which can be due to a variety of reasons including inadequate dietary intake, gastrointestinal disorders affecting absorption, or certain medical conditions. Symptoms of deficiency can include loss of appetite, nausea, vomiting, and weakness. Always consult your vet before starting any supplement regimen.
  2. Q: What are the signs of magnesium deficiency in dogs? A: Signs of magnesium deficiency in dogs can include decreased appetite, nausea, vomiting, lethargy, muscle weakness, and even seizures in severe cases. If you notice these symptoms in your dog, it’s important to contact your vet for a proper diagnosis and treatment plan.
  3. Q: Can too much magnesium harm my dog? A: Yes, excessive magnesium intake can lead to a condition called hypermagnesemia, which can cause a variety of health problems including muscle weakness, heart issues, and in severe cases, life-threatening complications. Always follow your vet’s dosage recommendations when supplementing your dog’s diet with magnesium.
  4. Q: How can I give my dog magnesium supplements? A: Magnesium supplements come in various forms, including tablets, capsules, and powders. Depending on your dog’s preference, you can mix the supplement into their food or give it directly. Always follow the instructions on the package and your vet’s guidance.
  5. Q: What foods are high in magnesium that I can feed my dog? A: Foods that are naturally high in magnesium include green leafy vegetables, nuts and seeds, legumes, and whole grains. However, it’s crucial to ensure these foods are safe for dogs and prepared appropriately to prevent choking or digestive issues.
  6. Q: Are there any side effects to giving my dog magnesium supplements? A: Side effects from magnesium supplementation are generally rare but can occur if the dog receives too much. These can include diarrhea, reduced appetite, lethargy, and in severe cases, heart irregularities. If your dog shows any adverse effects, contact your vet immediately.
  7. Q: How long does it take for magnesium supplements to work in dogs? A: The effect of magnesium supplements can vary based on the dog’s individual health status and the severity of the deficiency. In general, improvements may be seen in as little as a few days to a few weeks.
  8. Q: Can all dogs take magnesium supplements? A: While magnesium is a crucial mineral for dogs, not all dogs may need a supplement. Dogs with certain health conditions, especially kidney issues, may need to avoid magnesium supplements. Always consult with your vet before starting any new supplement regimen.
  9. Q: Can I use human magnesium supplements for my dog? A: Human supplements may not be suitable for dogs due to differences in dosage and additional ingredients that may not be safe for dogs. Always use a supplement designed for dogs and follow your vet’s guidance on dosage.
  10. Q: Is magnesium included in my dog’s commercial diet? A: Yes, most commercial dog foods should contain an adequate amount of magnesium. However, if your dog has specific health issues or dietary needs, your vet may recommend a supplement. Always check the label of your dog’s food to see what nutrients it provides.

Conclusion: Best Magnesium Supplements for Dogs

Choosing the best magnesium supplement for your dog is an important step in supporting their overall health. A good supplement can support nerve function, maintain heart health, improve bone strength, and even help with stress and anxiety. Remember, every dog is unique, and their needs can vary based on age, diet, and overall health. Therefore, always consult with your veterinarian before starting any new supplement regimen. Through proper diet and supplementation, you can ensure your dog has the adequate magnesium intake they need to live a happy, healthy life.

iHeartDogs is reader supported. Some of the links below may be paid affiliate links, where we receive a small commission on a product at no additional cost to you. 

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