The Complete Guide · Triterra Farm

Functional Mushrooms

The science, the mushrooms, and the difference nobody tells you about — with full external lab certificates for every batch. Fewer slogans, more transparency.

Triple extraction · 100% fruiting bodiesβ-glucan tested · TÜV Austria610 pesticides · VELTIAKosher (Mehadrin)
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What are functional mushrooms — and why it’s not like the mushrooms on your plate

Functional mushrooms are studied for their unique active compounds — chiefly β-glucans 1,3/1,6, polysaccharides examined in research in the context of supporting and modulating the body’s systems. Unlike culinary mushrooms, their value isn’t caloric but bioactive — and it’s released only through proper extraction from the fruiting body.

Three facts that separate an extract from a powder:
  • Fruiting body, not mycelium: a quality fruiting-body product contains ~25%–40% β-glucan; “mycelium on grain” is usually under 7%.
  • Extraction unlocks: the cell wall is chitin, hard to digest — without extraction, the compounds stay locked inside.
  • A number you can check: β-glucan is the only metric that separates an active extract from cheap starch.
Shlomi Hayun cleaning a reishi mushroom at Triterra Farm
Shlomi Hayun, founder of Triterra Farm, foraging functional mushrooms in the Galilee
Our philosophy

Functional mushrooms are an instruction manual for the body — not a command

We don’t believe in forcing the body. Functional mushrooms work differently: their natural compounds — β-glucans, triterpenes, polysaccharides — enter the body not to take over, but to give it information. They speak a language the body has known through millions of years of shared evolution, reminding it how to balance itself: to breathe deeper, recover better, adapt to stress, and find its own equilibrium.

The body is the one that heals itself. The mushroom only guides it home — and our job is to make sure the compounds that reach it are clean, precise, and verified down to the last detail.

— Shlomi (Miko) Hayun, founder of Triterra Farm
Meet the farm and our full story →
The difference

Radical transparency — the numbers, not the promises

Most brands show a pretty picture of a mushroom. We publish the full external certificate for every batch — not a summary. Independent labs test potency and purity, and you’re invited to verify with them directly.

Mushroomβ-glucan 1,3/1,6Certificate
Cordyceps28.16%TÜV Austria
Reishi25.65%TÜV Austria
Lion’s Mane23.93%TÜV Austria
Turkey Tail & Reishi23.21%TÜV Austria

Beyond β-glucan: a 610-pesticide screen, heavy metals by ICP, and PAH — all at VELTIA (Tentamus Group). Lead, arsenic and mercury: not detected across all products.

See all lab certificates →
The test that separates truth from marketing

Alpha-glucan vs beta-glucan — how the numbers reveal purity

“Glucan” isn’t one word. There are two kinds — and they tell opposite stories:

β · Beta-glucan

The active compound

The bioactive polysaccharide (1,3/1,6) found in the fruiting body. It’s what research examines — and what you’re actually paying for.

α · Alpha-glucan

Basically — starch

Amylose and amylopectin: starch. It comes from the grain that cheap mycelium is grown on, filling the jar — with no functional value.

What you see in our TÜV certificate · Pure Cordyceps (cert 2713-CY01082790-25-02):
β-Glucan 1,3/1,6 — the active compound28.16%
Amylose (starch · alpha)<DL
Amylopectin (starch · alpha)<DL
Glucomannan · Pectin · Fructans<DL
Total Polysaccharides28.16%
Notice: Total Polysaccharides = β-Glucan, digit for digit (28.16 = 28.16). When the total equals beta exactly — there’s nothing else in the jar. Zero starch, zero alpha-glucan, zero filler. And it repeats across all four of our certificates.
Triterra extract · fruiting body
active β-glucan · 0% starch
Typical “mycelium on grain”
β
starch / alpha-glucan

That’s why we publish not just the β-glucan, but the full breakdown — because real purity is measured also by what is not inside.

Buyer’s guide

How to choose a quality functional-mushroom extract

01

Fruiting body, not mycelium

Make sure it says “fruiting body”. “Mycelium on grain” = mostly starch, with a low β-glucan concentration.

02

A real β-glucan number

Look for a measured β-glucan percentage — not “total polysaccharides” (which includes starch). 25%–40% is the quality range.

03

Extraction (ideally triple)

Chitin locks the compounds in. Water + alcohol extraction releases both the water-solubles and the triterpenes.

04

A certificate you can check

Not a marketing summary — a signed lab report with a certificate number. If you can’t verify it, it’s a promise, not proof.

FAQ

What most people ask

What’s the difference between functional mushrooms and culinary mushrooms?
Culinary mushrooms are valued for flavor and nutrition. Functional mushrooms are studied for bioactive compounds — chiefly β-glucans — whose value isn’t caloric but is examined in the context of supporting and modulating the body’s systems, and is released only through extraction.
Why does the extract need to come from the fruiting body and not mycelium?
Mycelium is usually grown on grain (rice) and harvested together with the substrate — the result is rich in starch and low in β-glucan (often under 7%). The fruiting body is the mushroom itself, and holds the high β-glucan concentration.
What is β-glucan, and why does everyone talk about it?
β-glucan 1,3/1,6 is the central polysaccharide in functional mushrooms, researched in the context of binding to immune-system receptors. It’s also the one metric that separates an active extract from filler powder — which is why we publish the measured value for every batch.
How do I know your numbers are real?
Every batch is tested by an independent external lab (TÜV Austria for potency; VELTIA/Tentamus for purity), and we publish the full signed certificate — including the report number and sample code. You’re invited to verify the results directly with the lab.
How much functional-mushroom extract should I take per day?
There’s no one-size-fits-all dose — it depends on the mushroom, the extract’s concentration, and your goal. The guiding principle is titration: start low, let the body adjust, and increase gradually to the point that feels right. Learn more in our dosage & titration guide.
What is titration, and why does it matter so much?
Titration is the gradual calibration of your dose. Instead of jumping straight to a high dose, you start with a small amount and raise it slowly — reaching your minimal effective dose and reducing discomfort. It’s the smart way to learn how your body responds. To the dosage guide →
When is best to take them — morning or evening?
It depends on the mushroom and goal: mushrooms studied in the context of energy (Cordyceps) suit the morning; those studied in the context of calm and sleep (Reishi) are often taken in the evening. Complexes can be split across the day. Consistency (same time daily) matters more than the exact timing.
With food or on an empty stomach?
Either works. Some people prefer taking it with a meal to be gentler on the stomach, but it isn’t required. If you’re sensitive, start with food.
How long until I feel an effect?
It varies between individuals and between mushrooms. Some report a sense of change within days, but polysaccharides are studied mainly with consistent use over weeks. Functional mushrooms are a path of patience and accumulation — not an instant fix.
Can I combine several functional mushrooms together?
Yes, and it’s very common — for example Cordyceps for energy together with Lion’s Mane for focus. Our complexes are built exactly for such combinations. If you’re starting out, it’s worth getting to know each mushroom on its own first, to notice how you respond to each.
Which mushroom is best for energy and endurance?
Cordyceps is studied in the context of cellular energy (ATP), endurance and oxygen utilization — which is why it’s popular among athletes. To cordyceps science →
Which mushroom is best for focus, memory and concentration?
Lion’s Mane is studied in the context of cognitive function, nerve health and focus — thanks to its hericenones and erinacines. To lion’s mane science →
Which mushroom is best for calm and better sleep?
Reishi is studied in the context of calm, stress modulation and sleep quality — the “mushroom of immortality” in tradition. To reishi science →
Which mushroom for immune support?
Turkey Tail is one of the world’s most researched mushrooms in the context of immune support and the microbiome — thanks to its PSK/PSP polysaccharides. To turkey tail science →
Are there side effects to functional mushrooms?
Functional mushrooms are considered safe for most people when taken as recommended. Some experience mild digestive discomfort at first — usually resolved by increasing gradually (titration). With any unusual reaction, stop and consult a professional.
Functional mushrooms and medications — is there an interaction?
If you take medication — especially blood thinners, immunosuppressants, or diabetes medication — consult your physician before combining, as interactions are possible. We publish the full lab data so you can show it to your doctor.
Can I take them during pregnancy or breastfeeding?
There isn’t enough safety research on pregnancy and breastfeeding. The recommendation is to avoid, or to consult your physician before any use during these periods.
Are functional mushrooms addictive?
No. Functional mushrooms don’t create physical dependence or withdrawal, and you can stop at any time. We expand on this in our full safety guide.
Are your extracts vegan and kosher?
Yes. All our extracts are 100% from mushroom fruiting bodies — fully vegan — and hold Mehadrin kosher certification.

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Full Disclosure · Safety & Transparency

The information on this page is an educational review of a field of research and does not constitute medical advice. Functional mushrooms are a dietary supplement, not a drug. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. It is not a substitute for consulting a physician. If you are pregnant or nursing, taking medication, or under medical care — consult your physician before taking any supplement.