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Best Sellers

A yellow and white pouch of Real Mushrooms Organic Tremella Extract Powder, USDA Organic, net weight 60g (2.12 oz), 60 servings; rich in beta-glucans to support skin, hair, and nail health and rejuvenation.
A bag of Real Mushrooms Organic Tremella Extract Powder is placed by a green smoothie, as a spoonful of the powder is added to the drink to support skin, hair, and nail health.
A container of Real Mushrooms Mushroom Relax Pet Chews, veterinarian-formulated calming chews for pets, provides stress relief with 60 soft chews (net weight: 8.47 oz/240g).
A black French Bulldog sits on a white surface next to a container of Real Mushrooms Mushroom Relax Pet Chews, calming treats for pets made with organic mushroom extracts.
A white bottle labeled "Mushroom D2Z" by Real Mushrooms, containing 120 capsules with functional mushroom extract, vitamin D, and zinc for immune support.
Outdoors, a person pours Real Mushrooms Mushroom D2Z immune support capsules from a white bottle into their hand, with a glass of water and plants nearby.
A white container of Real Mushrooms Daily Dawg™ Powder for Pets, 2.65 oz (75g), organic 8 mushroom blend for dogs, featuring a blue label with a dog silhouette.
A fluffy dog looks down at a container of Real Mushrooms Daily Dawg™ Powder for Pets, an organic supplement placed in front of its paws.
A white bottle labeled "Organic Lion's Mane Extract Capsules for Pets" by Real Mushrooms, an organic supplement for dogs and cats with 120 capsules rich in beta-glucans to support cognitive health.
A person holds a bottle of Real Mushrooms Organic Lion's Mane Extract Capsules for Pets next to a small dog with its mouth open, possibly smiling.
A brown bottle labeled "Real Mushrooms RealBoost - Cordyceps, Guayusa and Ginseng" dietary supplement with 60 capsules, featuring Cordyceps for a natural boost.
A bottle of Real Mushrooms RealBoost—Cordyceps, Guayusa, and Ginseng—rested on a textured surface beside a glass of water and a stack of books.
A bottle of Real Mushrooms RealRest contains 60 capsules with Reishi, Valerian, and Lemon Balm to support natural relaxation.
A person holds capsules and a glass of water near a bottle of Real Mushrooms RealRest, which contains calming ingredients like Reishi, Valerian, and Lemon Balm. Lemons are on the table.
A container of Real Mushrooms Mushroom Mobility Pet Chews, a hip and joint supplement for dogs and cats, contains 60 soft chews (8.47 oz/240 g) to support your pet’s joints.
A person holding a container of Real Mushrooms Mushroom Mobility Pet Chews, a hip and joint supplement for pets, sits with their corgi on their lap.
A white container of Real Mushrooms Functional Feline® Powder for Cats, 2.65 oz, with a purple and cream design offers organic mushroom immune support for cats.
A tabby cat stands near a container labeled “Functional Feline® Powder for Cats” by Real Mushrooms, a cat wellness supplement, on a white surface.
A 2.65 oz (75g) container of Real Mushrooms Turkey Tail with Qrill™ Pet, a powder supplement for pets with turkey tail mushroom extract and krill powder for immune support. Available in a 12-unit pack.
A container of Real Mushrooms Turkey Tail with Qrill™ Pet (12 Units) is placed behind a wooden spoon holding the powder, providing immune support for dogs and cats.
A 2.65 oz (75g) white container of Real Mushrooms Pet Defenders with Qrill™ Pet, an antioxidant mushroom powder for immune support in dogs and cats; available in a 12-unit pack.
A box of Real Mushrooms Pet Defenders with Qrill™ Pet (12 units) health supplement for dogs and cats is shown, featuring a wooden spoon with powder in front, supporting pet immunity.
A white container of Real Mushrooms Lion's Mane with Qrill™ Pet—organic Lion’s Mane mushroom and krill supplement for cognitive support in dogs and cats, 2.65 oz (75g); sold as 12 units.
A container of Real Mushrooms Lion's Mane with Qrill™ Pet (12 units) pet supplement powder is shown with a wooden spoon holding some powder in front, set against a plain background, offering cognitive support for pets.

Best Sellers FAQs

All our mushroom extracts are from the leading supplier of organic mushroom extracts: Nammex. They have over 40 years of mushroom growing experience and were one of the first companies to bring organic functional mushroom extracts to North America.

Their ingredients go through rigorous quality control and are tested twice for heavy metals, agricultural chemicals and microbial contamination to ensure they meet all standards for dietary supplements of this nature. All of their extracts are made from certified organic mushrooms (fruiting bodies), organically grown or wildcrafted from deep within mountain regions of China.

Mushrooms used for dietary supplements are seldom grown in North America since they are too expensive. China is the leading supplier of mushrooms worldwide and supplies over 90% of the world’s mushrooms. 

It has a rich history of mushroom use as both food and medicine and is the birthplace of mushroom cultivation, with shiitake being farmed in the early 1200s. China is one of the only places in the world where you can get 100% organic mushroom (fruiting body) extracts that can be sold at an affordable price.

It is extremely important to distinguish the difference between mushrooms and mycelium.

Mushrooms are the "fruit" and reproductive stage of these organisms, while the mycelium is the root system or "body" of the fungus.

Mushrooms contain much higher levels of active compounds like beta-glucans, and there is a large body of research on them. They have also been consumed for thousands of years as food, and many health benefits have been shown from just mushroom consumption.

Mycelium is commonly grown on a grain substrate, and this grain cannot be separated from the mycelium, so much of the final product is actually grain with no mushrooms present. This shows up in high amounts of starch and low amounts of active compounds like beta-glucans. 

For these reasons, Real Mushrooms only utilizes mushrooms in all of its products, with verified levels of important active compounds like beta-glucans, and is always guarded against starchy fillers like grain.

5-Time Winner

Best Mushroom Supplement Brand: ConsumerLab.com Survey

Trusted by wellness seekers and professionals alike, our mushroom supplements have earned the rating of Best Mushroom Supplement Products five years in a row by consumers in ConsumerLab.com Annual Supplement Survey.

Gold badge from ConsumerLab.com with text and logo, featuring a red ribbon and black text.

†Ratings based on results of the 2025 ConsumerLab.com Survey of Supplement Users. More information.

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Man sitting by a lake with a dog, both looking at something on the ground.