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Chaga (Inonotus obliquus) – Whole Pieces, Wild-Harvested in Finland
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€27.75
€37.00
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These are whole dried pieces of chaga, the fungus Inonotus obliquus. The supplier describes them as wild-harvested in Finnish birch forests and picked by hand. You can choose a pack of 50 g, 250 g or 1 kg. Ground chaga from the same supplier has its own listing.
- Fungus: Inonotus obliquus (Hymenochaetaceae)
- Common names: Chaga; pakurikääpä (Finnish)
- Form: Whole dried pieces
Smartshop · Inonotus obliquus · 50 g / 250 g / 1 kg
Whole chaga pieces from Finland in three pack sizes
This listing is chaga, the fungus Inonotus obliquus, in whole dried pieces rather than as a powder or an extract. The supplier, Maya World Trading BV in Haarlem, describes the chaga as wild-harvested in Finnish birch forests, picked by hand and dried slowly. The pack label reads Chaga, Inonotus obliquus, Whole and "Made in Finland". At Mycotrop you can choose between three pack sizes: 50 g, 250 g and 1 kg.
- 50 g / 250 g / 1 kg
- Whole dried pieces
- Finland, wild-harvested
- Fungus
- Inonotus obliquus (Hymenochaetaceae)
- Common names
- Chaga; pakurikääpä (Finnish)
- Form
- Whole dried pieces
- Origin
- Finland, wild-harvested (supplier)
- Pack sizes
- 50 g, 250 g, 1 kg
- Supplier
- Maya World Trading BV, Haarlem (Netherlands)
Composition and current knowledge
Chaga is the fungus Inonotus obliquus, which grows on birches in boreal forests. According to a 2023 review, the Khanty of Siberia are said to have used it as early as the 12th century, and Indigenous peoples of Canada such as the Cree, Ojibway and Denesuline also have a tradition of use; a 2025 review lists it among the folk remedies of 16th- and 17th-century Russia and Northern Europe.
Its composition is complex: more than 250 secondary metabolites have been described, including polysaccharides (β-glucans), terpenoids (betulin, lanosterol), polyphenols, sterols and melanin. Clinical data in humans remain insufficient.
| Known compounds | More than 250 metabolites: polysaccharides (β-glucans), terpenoids (betulin, lanosterol), polyphenols (hispidin, phelligridins), sterols, melanin, minerals (Fordjour et al. 2023). |
|---|---|
| Traditional use | Khanty of Siberia (from the 12th century according to a review), Russia and Northern Europe; Indigenous peoples of Canada (Cree, Ojibway, Denesuline). |
| State of research | Mostly laboratory and animal studies; the 2023 and 2025 reviews judge clinical data insufficient. No health claim is authorised for chaga in the EU. |
Good to know
- Chaga is rich in oxalates: a case of oxalate kidney injury was reported in a 69-year-old man after prolonged use of chaga powder (Kwon et al. 2022).
What the pieces look like
The product photos show irregular, angular chunks heaped in a terracotta bowl beside the kraft-paper pouch. Many pieces carry a cracked, almost black outer crust on one side, while the broken faces show a rust-brown to golden interior with a fibrous grain. A close-up shows freshly broken pieces with a bright orange-brown core. Because the chaga is sold whole, size and shape differ from piece to piece.
Inonotus obliquus: names and classification
In the GBIF taxonomic backbone, Inonotus obliquus (Fr.) Pilát is the accepted name. The species belongs to the family Hymenochaetaceae in the order Hymenochaetales, and older names recorded as synonyms include Polyporus obliquus and Phellinus obliquus. GBIF lists vernacular names from many countries where it is known: pakurikääpä in Finnish, sprängticka in Swedish and Schiefer Schillerporling in German.
Whole pieces, powder or extract
If you prefer another form of the same species, the chaga powder from Finland, 100 g comes from the same supplier, already ground. The chaga extract (Inonotus obliquus), 30 ml is a liquid in a dropper bottle.
Storing your botanicals
Keep dried plants in their tightly closed pouch or in an airtight jar, away from light, moisture and heat. Powders absorb moisture easily, so close them again straight away. For extracts, tinctures and capsules, follow the instructions on the label and the printed date.
Before using a plant
- Keep plants out of the reach of children and pets.
- If you are pregnant or breastfeeding, or taking any medication, ask a doctor or pharmacist first: many plants interact with medicines.
- Stop immediately if you have an allergic reaction or feel unwell.
- The information on this page describes the product; it does not replace medical advice.
Specifications
| Fungus | Inonotus obliquus (Hymenochaetaceae) |
|---|---|
| Common names | Chaga; pakurikääpä (Finnish) |
| Form | Whole dried pieces |
| Origin | Finland, wild-harvested (supplier) |
| Pack sizes | 50 g, 250 g, 1 kg |
| Supplier | Maya World Trading BV, Haarlem (Netherlands) |
| Reference | 2713-50, 2713-250, 2713-1000 |
| Sold as | Collectible or souvenir item; do not consume |
Discreet delivery
Orders are packed on working days and leave in plain outer packaging that does not describe the contents. Once your order has shipped, we email you the tracking link when one is available. Estimated delivery times, right of withdrawal and exceptions: Delivery, tracking and returns.
Sources: Fordjour et al. 2023, Front Pharmacol 14; Wang et al. 2025, Curr Issues Mol Biol 47; Kwon et al. 2022, Medicine 101; supplier information; Plants of the World Online (Kew); GBIF. Updated 3 October 2026 by the Mycotrop team.
Frequently asked questions
What is chaga (Inonotus obliquus)?
Chaga is a fungus that grows on birch trees; it is not a plant. It is rich in polysaccharides, terpenoids, polyphenols and melanin. Human clinical data are insufficient and no health claim is authorised in the EU.
Which pack sizes are available?
Three: 50 g, 250 g and 1 kg. All three contain the same whole chaga pieces.
Where does the chaga come from?
According to the supplier, it is wild-harvested in birch forests in Finland. The pack label also says "Made in Finland".
Are the pieces ground?
No. They are whole, irregular chunks of different sizes. Ground chaga is available as a separate 100 g product.
Which species is chaga?
Inonotus obliquus, a fungus of the family Hymenochaetaceae. Its Finnish name is pakurikääpä.
2713-250
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