Why Understanding Mycelium vs Fruiting Body Matters
When choosing a functional mushroom supplement, the mycelium vs fruiting body distinction is critical. These two parts of the mushroom are fundamentally different, containing varying levels of beneficial compounds. Understanding this difference ensures you're not paying for grain filler instead of potent mushroom extract.
Quick Comparison:
- Fruiting Body: The visible mushroom (cap and stem). It contains higher concentrations of active compounds like beta-glucans and has been used in traditional wellness for centuries.
- Mycelium: The underground root-like network. In supplements, it's often grown on grain, which can dilute the final product with starch, reducing its potency.
- Key Insight: Research suggests fruiting bodies can contain up to 15 times more active compounds than mycelium grown on grain.
Many products are vaguely labelled, making it hard to know what you're buying. I'm Brandi Garden, co-founder of Eversio Wellness. My own health journey inspired me to research the science of mycelium vs fruiting body to create transparent, effective mushroom supplements that deliver genuine benefits.
For a deeper dive, explore our guide on what is mycelium.
Breaking Down the Basics: Mycelium and Fruiting Body
To understand the mycelium vs fruiting body debate, it helps to know how a mushroom grows. Much like an iceberg, most of the organism exists unseen beneath the surface.
What is Mycelium?
Mycelium is the vast, underground network of thread-like filaments called hyphae. It functions like a plant's root system, absorbing nutrients from its surroundings, such as soil or wood. This network is essential for the fungus's survival and growth.
In the supplement industry, mycelium is often cultivated in labs on a grain substrate like rice or oats. Because the mycelium and grain are difficult to separate, the final product often contains a large amount of starchy filler, which dilutes the concentration of beneficial compounds.

What is the Fruiting Body?
The fruiting body is the part of the mushroom we see above ground, the classic cap-and-stem structure. Its main purpose is reproduction, as it produces and releases spores to create new fungal colonies.
This is the part of the mushroom that has been used for thousands of years in traditional wellness practices and is the focus of most modern scientific research on functional mushrooms. The fruiting body is a powerhouse of the bioactive compounds associated with wellness benefits.
Alt text: "Close-up photo of a healthy mushroom fruiting body with a clear cap and stem."
Bioactive Compounds: Where Are the Benefits?
In the mycelium vs fruiting body discussion, the concentration of beneficial compounds is what truly matters. While both parts have value, their profiles of active ingredients differ significantly.
Key Compounds in Mushroom Wellness
Functional mushrooms are prized for several key compounds. Beta-glucans are powerful polysaccharides studied for their role in supporting a healthy immune response. Triterpenes, especially abundant in Reishi, are studied for their connection to stress balance and relaxation.
Where Concentration Matters
Research shows that these compounds are not distributed equally. A comparative study highlights that fruiting bodies generally contain a broader spectrum and higher concentration of the compounds associated with wellness benefits.
For example, while mycelium contains some beneficial compounds, the fruiting body is where you'll find the highest levels of beta-glucans and triterpenes. The difference becomes even more stark when mycelium is grown on grain, as the grain becomes an inseparable part of the final product, diluting its potency.
This is why research suggests fruiting bodies may contain up to 15 times more active compounds than myceliated grain products. Choosing a supplement made from the fruiting body ensures you get a concentrated dose of what you're paying for, not just starch.
At Eversio Wellness, we use only whole fruiting body extracts to ensure every capsule delivers the potent compounds your body can use.
Supplement Production: Purity and Potency
The production method directly impacts a mushroom supplement's quality and effectiveness. Understanding this helps explain the vast differences in purity and potency on the market.
Mycelium on Grain Production
Most mycelium-based supplements are made by growing mycelium on a grain substrate like rice or oats. This process is fast and inexpensive. However, the mycelium cannot be fully separated from the grain it grows on.
This results in a product often called "myceliated grain," which can be mostly starch filler. This significantly dilutes the concentration of beneficial fungal compounds like beta-glucans, compromising the supplement's potency.

Fruiting Body Production
Fruiting body supplements are made from the actual mushroom, grown on natural substrates like wood logs to mimic their native environment. This method is more time-consuming and costly but yields a pure, potent product free from grain fillers.
At Eversio Wellness, we exclusively use dual-extracted fruiting bodies to ensure maximum bioavailability and a high concentration of active compounds. This commitment to quality means you get a supplement that delivers real benefits.
Reading the Label
Always check the "Supplement Facts" panel. Look for products that clearly state "fruiting body extract" and specify the percentage of active compounds like beta-glucans. Be wary of labels that list "mycelium" or "myceliated grain," as this indicates a diluted product.

Health Benefits: Which Part Supports Your Goals?
Understanding mycelium vs fruiting body helps you choose a supplement that aligns with your wellness goals. The part of the mushroom used directly impacts the potential benefits.
Immune System Support
For immune support, beta-glucans are the key players. These compounds, found in mushroom cell walls, may help modulate the immune system. Fruiting body extracts, particularly from Turkey Tail, are known to be exceptionally rich in these beta-glucans, making them a preferred choice for supporting immune health.
Cognitive Function and Clarity
Lion's Mane mushroom is a top choice for brain health. While its mycelium contains unique compounds called erinacines, many commercial mycelium products are diluted with grain. High-quality fruiting body extracts provide a reliable source of other beneficial compounds, like hericenones, without the grain filler, making them a consistent choice for supporting cognitive function.
Stress Relief and Balance
Adaptogenic mushrooms like Reishi may help the body manage occasional stress. The potential calming properties of Reishi are often attributed to triterpenes, which are found in high concentrations in the mushroom's fruiting body. Traditional use has always favoured the fruiting body for promoting relaxation and supporting healthy sleep patterns.

How to Choose a High-Quality Mushroom Supplement
Navigating mushroom supplements is easier when you know what to look for. A few key indicators on the label can help you identify a high-quality product.
What to Look For on the Label
- Source: The label should clearly state "fruiting body" or "fruiting body extract." Avoid products listing "mycelium on grain."
- Active Compounds: Look for verified beta-glucan content listed as a percentage. This confirms the product's potency.
- Extraction Method: Dual extraction (using both water and alcohol) ensures a broad spectrum of beneficial compounds are captured.
- Certifications: USDA Organic and third-party testing guarantee purity and freedom from contaminants.
Integrating Mushrooms Into Your Routine
Consistency is key to experiencing the benefits of functional mushrooms. Our capsules offer a simple, pre-measured dose for busy lifestyles.
For more flexibility, our powdered blends can be easily added to coffee, smoothies, or oatmeal. A small daily serving can make a big difference when combined with a holistic wellness routine that includes a balanced diet, regular exercise, and quality sleep.
Explore our range of products to find the perfect fit for your wellness journey.
Our Range of High-Quality Fruiting Body Supplements

To illustrate what to look for, here are examples of supplements that use pure, organic fruiting body extracts. These products clearly state their source and extraction method, ensuring they deliver the beneficial compounds discussed in this article, free from grain fillers.
Reishi (Chill Now) - Organic Reishi Mushroom 15:1 Dual Extract Capsules
As discussed, the Reishi fruiting body is rich in triterpenes and beta-glucans, compounds linked to stress balance and relaxation. Our Chill Now capsules provide a concentrated 15:1 dual extract, delivering these compounds in a bioavailable form. This formula is designed to support your body's ability to manage occasional stress and promote restful sleep, using the traditional wisdom of Reishi in a modern, potent supplement.
Shop the Reishi (Chill Now) - Organic Reishi Mushroom 15:1 Dual Extract Capsules here.
3 Mushroom Blend - (The Awaken Blend) - Organic Extracts

Our Awaken Blend combines the fruiting body extracts of Lion's Mane, Cordyceps, and Turkey Tail. This synergistic formula provides compounds that support the very benefits discussed in this article: cognitive function from Lion's Mane, energy from Cordyceps, and immune support from Turkey Tail's beta-glucans. It's an ideal way to incorporate the diverse advantages of pure fruiting bodies into your morning routine.
Shop the 3 Mushroom Blend - (The Awaken Blend) - Organic Extracts here.
5 Mushroom Blend – The NEW Blend – Organic Extracts

For comprehensive support, our NEW Blend features five powerful fruiting body extracts: Cordyceps, Reishi, Maitake, Lion's Mane, and Tremella. This blend creates an entourage effect, where the compounds work together to support energy, stress response, immune function, cognitive clarity, and even skin hydration. It’s a testament to how combining different pure fruiting body extracts can offer holistic support for overall wellness.
Shop the 5 Mushroom Blend – The NEW Blend – Organic Extracts here.
Frequently Asked Questions
What is the main difference between mycelium and fruiting body in supplements?
The fruiting body is the actual mushroom, which contains high concentrations of beneficial compounds. Mycelium is the root system, which, in supplements, is often grown on grain. This results in a diluted product with high starch content and lower potency.
Why do some supplements use mycelium instead of fruiting body?
Growing mycelium on grain is faster and cheaper than cultivating whole fruiting bodies. This lowers production costs but often results in a less potent supplement filled with grain starch.
How can I tell if a supplement uses fruiting body?
Check the label for the words "fruiting body extract" and a verified beta-glucan content. Reputable brands are transparent about their sourcing. If a label says "mycelium" or "myceliated grain," it is likely a grain-based product.
The Takeaway: Why Fruiting Body Matters
Understanding the difference between mycelium vs fruiting body empowers you to choose a mushroom supplement that delivers real results. It's about knowing what's inside the capsule and how it can support your wellness journey.
Fruiting body extracts, like those we use at Eversio Wellness, are packed with the bioactive compounds that research suggests may support your health goals. We believe in transparency, which is why we only use dual-extracted, organic fruiting bodies and clearly state our sourcing and potency.
Integrating functional mushrooms into your daily routine is a simple step toward balanced wellness. The key is consistency, as the best results are built day by day.
Ready to get started? Explore our full range of Eversio Wellness mushroom capsules today and choose the formula that best supports your health goals.




















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