Fruiting Body vs. Mycelium Biomass: What’s Really in Your Mushroom Supplement?
- Harold Evans
- May 2
- 2 min read
When it comes to functional mushrooms, not all products are created equal. Understanding the label can make a big difference in how much benefit you actually get.
Whether you're reaching for a tincture, capsule, or powdered blend, the source of the mushroom and how it’s processed both matter. In this short guide, we’ll break down the key differences between fruiting body extracts and products that rely on mycelium biomass, so you can make informed choices for your wellness routine.

What Is the Fruiting Body?
The fruiting body is the part of the mushroom you recognize—the cap and stem. It’s where most of the beneficial compounds are concentrated, including:
Polysaccharides that support immune function
Triterpenes in species like reishi, valued for their adaptogenic and anti-inflammatory effects
Hericenones and erinacines in lion’s mane, linked to cognitive support
These compounds are typically extracted using both water and alcohol, making them more bioavailable and effective.
At Myco Powered, we only use whole fruiting bodies in our tinctures. We grow, harvest, and extract each batch with care to preserve the full spectrum of beneficial compounds.

What Is Mycelium Biomass?
Mycelium is the root-like structure fungi use to grow and spread. While it plays an important role in the life cycle of the mushroom, most commercial mycelium supplements are grown on grains like rice or oats. Once colonized, the mixture of grain and mycelium is dried and ground into powder.
This type of material is called mycelium biomass, and it’s often listed on product labels with terms like:
“Full-spectrum mushroom”
“Mycelium on brown rice”
“Whole mushroom complex”
It might sound promising, but these products can contain more grain starch than actual mushroom compounds. They’re also rarely extracted, meaning the beneficial components inside the fungal cells may not be accessible to your body.
Why It Matters
Functional mushrooms are known for their active compounds. If a supplement is mostly grain, there’s not much benefit to be had. Many people seeking support from mushrooms don’t realize they might be buying a product that contains only trace amounts of the actual fungus.
This is where transparency becomes essential. Knowing what to look for on a label helps you avoid fillers and find the potency you're actually paying for.
Know What You’re Getting
When evaluating mushroom products, check for:
✔ Fruiting body listed as the source
✔ Dual extraction or clear mention of alcohol and/or water extraction
✔ No grain or filler material
If a product doesn’t specify these details, it may not be offering the full benefits you’re looking for.
What We Stand For
At Myco Powered, we focus on clarity, quality, and effectiveness. Our tinctures are made only from whole fruiting bodies, grown and processed in-house. Every step, from cultivation to extraction, is designed to deliver powerful, reliable results you can trust.
Understanding your supplement label is one of the simplest ways to support your health more effectively. When you know what’s inside the bottle, you can choose products that actually make a difference.
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