Organic Chaga Mushroom Extract Supplements

What is Chaga?

Chaga is the black, cracked mass that grows out of a wound on a living birch. It looks like burnt wood and it is hard enough that it was traditionally broken up with an axe. Inside it is a deep amber orange, which is the first clue that this is nothing like the fungus you find on a forest floor.

The conk is the part that carries the actives, which is why we extract it rather than a fruiting body. Chaga does not form one. What it forms instead is a dense mass of fungal tissue and oxidised birch wood built up over years on the living tree, and that slow accumulation is exactly what makes it worth harvesting.

Why is Chaga called the antioxidant mushroom?

Its colour is its chemistry. The black surface is melanin, the same pigment family that protects skin from UV, and it carries one of the highest melanin concentrations found in any fungus. Underneath, the conk pulls betulin and betulinic acid straight out of the birch bark it feeds on, which is why Chaga growing on any other tree is a different proposition entirely.

Traditional users worked this out by observation centuries before it was measured. Across Siberia, Finland and the boreal north it was brewed and drunk daily through the winter, which is the season it was most needed, and that practice held for generations because it was worth the trouble of finding it.

What does the research show?

The laboratory work on Chaga is genuinely exciting. A 2024 review in Mycology pulls the modern literature together: antioxidant, anti-inflammatory and immunomodulatory activity, traced to the melanin, the polysaccharides and the triterpenes the conk accumulates from the birch.

Human trials are the natural next step and we will publish them the day they land. What Chaga has today is a research base that keeps pointing the same direction, several centuries of continuous daily use, and a certificate of analysis on every batch that you can open and read. That is more than most things in a supplement cabinet can offer.

Customers tend to describe it the same way the tradition does. "Noticed a difference after a few weeks" and "I quite like it in a cup of tea" are two of the most common notes we get, and the second one matters more than it sounds: an extract you enjoy is an extract you keep taking.

How much should I take?

One serving daily. That is 1,660 mg of the extract powder, a slightly heaped half teaspoon. The 100 g pouch holds 60 servings. Time of day does not matter, so put it where a hot drink already sits in your day.

What does it taste like?

Chaga is the best tasting extract we make. Dark, smooth and faintly vanilla, with a clean bitterness closer to coffee than to anything mushroomy. It is the one people finish the pouch of.

It takes hot water and a minute of stirring. Traditionally it was simmered for hours as a tea, which is precisely what a 10:1 hot water extract saves you from doing.

What does the beta-glucan figure mean?

Beta-glucans are the polysaccharides most functional mushroom research concerns, and the percentage is the honest way to compare two products. Ours is tested at a minimum of 10% per batch, which is the real figure for this species: Chaga earns its reputation on melanin and triterpenes rather than on glucan count, and a Chaga advertising 40% is telling you something about the seller.

Watch for a "polysaccharide" figure quoted instead. Starch is a polysaccharide, so a product padded with grain substrate posts a big number while carrying very little of what you came for.

How is it extracted?

Hot water, at 10:1. Ten kilos of dried conk reduce to one kilo of extract. Hot water is the traditional preparation and the only thing that makes the material usable: raw Chaga is essentially wood, and the long simmer is how every culture that used it got at the inside.

How do you spot a real Chaga extract?

• It is made from the conk. Chaga has no fruiting body, so anything claiming one is not describing this mushroom.
• A stated extract ratio, printed on the pack.
• A beta-glucan percentage rather than a vague "polysaccharide" figure.
• Wild-harvested from birch, which is where the betulinic acid comes from.
• A batch number and a certificate of analysis you can actually open.