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6 Best Mushroom Supplements for Cats [2023]

Looking for the Best Mushroom Supplements for Cats? You’ve landed in the right place! With the myriad of health benefits that mushrooms offer, it’s crucial to find a supplement that’s safe and effective for your feline friend. In this guide, we’ll explore top-rated products in the market that are not only vet-approved but also loved by cats. These supplements promise to boost your cat’s immune system, improve their digestive health, and provide essential nutrients for overall well-being. Dive in to find the perfect pick for your pet!


1. 5 Defenders Mushroom Supplements for Cat & Dog

The 5 Defenders Mushroom Supplements for Cat & Dog Vitamins is a pet immune support product that contains a blend of five different mushrooms including Chaga, Shiitake, Reishi, Maitake, and Turkey Tail mushroom. The supplements are made from 100% real mushrooms, with no grains or additives. Each serving of the mushroom powder capsules contains measured levels of beta-glucans, which are beneficial compounds that support immune defense and white blood cells. The product is vet-approved and made in the USA in quality-controlled facilities.



2. Fera Pet Organics-Allergy and Immune Support Mushrooms

Fera Pet Organics-Allergy and Immune Support Mushrooms Supplement Blend for Dogs and Cats is a powder supplement that contains 10 organic mushrooms, including Lions Mane, Reishi, and Shiitake. It is designed to boost the immune system and cognitive health of pets. The supplement is easily mixed into the pet’s food and is made with high-quality ingredients that are USDA organic certified.



3. Mushroom Immune Support Pet Chews

The Mushroom Immune Support Pet Chews are a supplement in the form of tasty treats for dogs and cats. Made from real organic mushrooms such as Chaga, Maitake, Shiitake, Reishi, and Turkey Tail, these chews provide energy, vitality, and immune system support. They also contain botanicals like Ashwagandha, Astragalus, Blueberry, Olive Leaf, and Acerola for additional nutrients and antioxidants. These chews promote physical and mental energy, better digestion, and longevity in pets. Real Mushrooms, the company behind this product, prides itself on creating high-quality supplements without fillers or added preservatives.



4. VetSmart Formulas Turkey Tail Mushroom for Dogs

VetSmart Formulas Turkey Tail Mushroom for Dogs Immune Support is a product that aims to boost the immune system of dogs and cats. It is designed to reduce the risk of life-threatening diseases and viruses, promote normal cell growth, and reduce inflammation. Backed by science and made in the USA with natural ingredients, this immune booster may contribute to better cellular health and longevity for pets.



5. Animal Essentials Mushroom Defense Supplement

The Animal Essentials Mushroom Defense Supplement is a 2 oz product that is designed to enhance the immune system of animals. It is made with certified organic herbs and is alcohol-free. This supplement contains a powerful antioxidant formula that helps protect cells from free radicals. Additionally, it is made using the traditional hot water extraction method to extract the beneficial polysaccharide components of mushrooms.



6. Chaga Pet Support Mushroom Supplement

The Chaga Pet Support Mushroom Supplement is a grain-free and gluten-free supplement that is designed to support normal digestion and boost immune defense in cats and dogs. The product is made from 100% real mushroom powder extract, without any added fillers or preservatives. It contains measured levels of beta-glucans, which are beneficial compounds that support the immune system and white blood cells. Manufactured in the USA, the product undergoes rigorous quality control testing and is vet-approved. The company, Real Mushrooms, prioritizes customer satisfaction and offers support to improve the overall pet well-being experience.



What Are The Benefits of Mushrooms for Cats?

Mushroom supplements can offer various benefits for cats when provided in appropriate and controlled amounts:

  1. Immune System Support: Certain mushrooms contain beta-glucans, which are known to enhance the immune system. They help in modulating immune responses, promoting the activity of white blood cells, which are vital for fighting off infections and diseases.
  2. Anti-Inflammatory Properties: Mushrooms can help reduce inflammation in the body. This characteristic is beneficial for cats suffering from arthritis or any other inflammatory conditions.
  3. Antioxidant-Rich: Many mushrooms are abundant in antioxidants, which help combat free radicals in the body. This action helps in preventing cellular damage and supporting overall health and longevity.
  4. Digestive Health: Some mushrooms have prebiotic properties, which aid in maintaining a healthy balance of gut flora. Healthy digestion is crucial for nutrient absorption and overall gastrointestinal health.
  5. Cancer Prevention: Though not a substitute for veterinary cancer treatments, some studies suggest that certain mushrooms may possess anti-cancer properties due to their immune-boosting and anti-inflammatory characteristics.
  6. Liver Support: Mushrooms like Reishi can support liver function and help in detoxification processes, promoting a healthy liver which is essential for metabolism and detoxification.


  • Not all mushrooms are safe for cats; some can be toxic. Only provide supplements designed specifically for pets and avoid giving them mushrooms found in the wild or those intended for human consumption.
  • Always consult with a veterinarian before adding any new supplement to your cat’s diet, especially if they have existing health conditions or are on medication.
  • Monitor your cat for any adverse reactions or allergies once you start them on mushroom supplements and discontinue use if any negative symptoms appear.

By understanding the potential benefits and risks, you can make informed decisions about incorporating mushroom supplements into your cat’s health regimen.

What Mushrooms Are Safe and Beneficial for Cats? What Are The Benefits?

Certain mushrooms have been identified as safe and potentially beneficial for cats when provided in the correct form and dosage. These include:

  1. Reishi (Ganoderma lucidum):
    • Known for its immune-boosting and anti-cancer properties. Reishi can help improve liver function, combat fatigue, and provide allergy relief.
  2. Shiitake (Lentinula edodes):
    • Shiitake mushrooms support immune health and have antiviral, antibacterial, and anti-cancer properties. They can also aid in reducing cholesterol levels and supporting heart health.
  3. Turkey Tail (Trametes versicolor):
    • With powerful antioxidant and immune-boosting properties, Turkey Tail can support cancer treatment and help in maintaining overall vitality and wellness.
  4. Maitake (Grifola frondosa):
    • Maitake can help regulate blood sugar levels, support immune function, and also have anti-cancer effects due to its ability to activate certain immune cells.
  5. Lion’s Mane (Hericium erinaceus):
    • Known for supporting brain health and cognitive function, Lion’s Mane can also assist in nerve regeneration and provide immune system support.


  • Immune Support: The beta-glucans found in these mushrooms can modulate the immune system, promoting a healthy immune response.
  • Anti-Cancer Properties: Certain compounds in these mushrooms have been shown to inhibit the growth of tumor cells.
  • Digestive Health: Some mushrooms support healthy digestion and absorption of nutrients.
  • Antioxidant-Rich: These mushrooms can protect the body against the harmful effects of oxidative stress and inflammation.
  • Liver Support: Certain mushrooms help in detoxifying the liver and supporting its healthy function.


  • It’s vital to use mushroom supplements that are specifically formulated for pets, as the dosage and form that are safe for cats can differ from those intended for human use.
  • Avoid giving your cat any mushrooms that are not explicitly labeled as safe for feline consumption, especially wild mushrooms, which can be toxic.
  • Always consult with a veterinarian before introducing any new supplement into your cat’s diet to ensure it’s safe and appropriate for their unique health needs.

Frequently Asked Questions About Mushroom Supplements for Cats

  1. What are the primary benefits of mushroom supplements for cats?
    • Mushroom supplements can support a cat’s immune system, offer anti-inflammatory properties, provide antioxidants, aid in digestion, and may have anti-cancer properties. They are also known for supporting liver function and promoting overall vitality and well-being.
  2. Are all types of mushrooms safe for cats?
    • No, not all mushrooms are safe. Only specific varieties, often used in supplements, are safe for feline consumption. Always choose products designed for pets and avoid wild mushrooms or those not explicitly labeled safe for cats.
  3. How should I administer mushroom supplements to my cat?
    • Mushroom supplements come in various forms, including powders, capsules, or liquid extracts. You can mix these into your cat’s food or water. Always follow the dosage instructions provided on the product packaging.
  4. Can I give my cat mushroom supplements daily?
    • The frequency of supplementation depends on the product and your cat’s specific health needs. While some supplements are designed for daily use, others might be used less frequently. Consult with a veterinarian for personalized advice.
  5. Do cats readily accept mushroom supplements?
    • Acceptance varies among individual cats. Some may not mind the taste, while others might be reluctant. Opt for products with flavors that are appealing to cats or those that can be easily mixed with food to mask the taste.
  6. Can mushroom supplements replace veterinary care?
    • No, supplements should not replace professional veterinary care. While they can support your cat’s health, they’re not a cure for diseases or a substitute for medical treatments prescribed by a veterinarian.
  7. How do I choose a high-quality mushroom supplement for my cat?
    • Look for supplements from reputable brands that provide detailed ingredient lists, dosage instructions, and information on the types of mushrooms used. Products should be free from harmful additives and preservatives.
  8. Can I give my cat mushroom supplements if they are on medication?
    • Consult with a veterinarian before introducing any new supplement into your cat’s routine, especially if they are currently on medication, to avoid potential interactions or adverse reactions.
  9. What side effects should I watch for when giving my cat mushroom supplements?
    • While side effects are rare, watch for signs of allergies, digestive upset, changes in behavior, or any other unusual reactions. If noticed, discontinue use and consult with a vet immediately.
  10. Do I need a prescription for mushroom supplements for my cat?
  • Typically, mushroom supplements for cats are available over the counter. However, it’s wise to consult with a veterinarian before introducing any new supplement to ensure it’s appropriate and safe for your pet’s specific health profile.

Final Summary: The Best Mushroom Supplements for Cats

In this article, we reviewed the Best Mushroom Supplements for Cats. Selecting the right supplement can significantly improve your cat’s health and vitality. We’ve highlighted products that are renowned for their quality and efficacy. With careful consideration of each product’s features and the specific needs of your feline, you can make an informed decision that contributes positively to their well-being. Always consult with a veterinarian before introducing any new supplement into your cat’s diet. Happy shopping for your furry friend’s health!