Mushroom · Mushroom/Fungi

Inonotus obliquus Sclerotium (Wild Chaga)

Provisional Moderate Scorebotanical

Hermetica Superfood Encyclopedia

Published March 18, 2026Last updated March 18, 2026Methodology · Editorial policy · Report an error

Evidence review status: unreviewed

Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.

Review flags: AWAITING_SEMANTIC_VALIDATION

Provisional Summary

Inonotus obliquus Sclerotium (Wild Chaga) is a parasitic fungus that forms black sclerotia on birch trees, containing bioactive betulinic acid and beta-glucans. The beta-glucans stimulate immune function through Toll-like receptor activation while betulinic acid provides anti-inflammatory effects.

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Screened PMID Records

Reported Benefits

Pending

Synergy Review

At a Glance

CategoryMushroom

GroupMushroom/Fungi

Public Score StatusProvisional Moderate

Primary Keywordchaga mushroom benefits

Inonotus obliquus Sclerotium close-up macro showing natural texture and detail — rich in antioxidant, immunomodulatory, antiviral

Inonotus obliquus Sclerotium (Wild Chaga) — botanical close-up

Reported Benefits (Provisional)

Inonotus obliquus Sclerotium, or Wild Chaga, boosts immune function by increasing the production of cytokines, enhancing the body's defense mechanisms. - It is rich in antioxidants like superoxide dismutase, which reduces oxidative stress by neutralizing free radicals. - Wild Chaga supports heart health by lowering blood pressure and cholesterol levels, reducing cardiovascular disease risk. - It has anti-inflammatory properties that help alleviate chronic inflammation, potentially reducing arthritis symptoms. - This mushroom supports liver health by promoting detoxification processes, aiding in the removal of toxins from the body. - Wild Chaga enhances skin health by promoting collagen production, leading to improved skin elasticity and reduced signs of aging. - It supports digestive health by providing prebiotics that nourish beneficial gut bacteria, improving digestion and nutrient absorption.

Origin & History

Natural habitat

Inonotus obliquus, commonly known as Wild Chaga, is a parasitic fungus found on birch trees in cold climates. It is harvested from the bark of the tree and dried for medicinal use.

“Chaga has been used in traditional medicine in Russia and Northern Europe for centuries, prized for its health-promoting properties.”Traditional Medicine

Research Narrative (Provisional)

Chaga has been studied for its antioxidant and immune-boosting properties, with some in vitro and animal studies supporting its health benefits. Human trials are limited.

Preparation & Dosage

Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.

Nutritional Profile

- High in antioxidants, particularly melanin. - Contains polysaccharides and beta-glucans. - Low in calories and fat.

Reported Mechanism (Provisional)

Mechanism of Action

Beta-glucans in chaga bind to complement receptor 3 (CR3) and Toll-like receptor 2 (TLR2) on immune cells, triggering cytokine production and macrophage activation. Betulinic acid inhibits nuclear factor-kappa B (NF-κB) signaling, reducing inflammatory mediator expression. Superoxide dismutase enzymes in chaga directly neutralize reactive oxygen species through electron transfer reactions.

Clinical Narrative (Provisional)

Limited human clinical trials exist for chaga, with most evidence from animal and in vitro studies. A small 12-week study in 18 healthy adults showed 25% reduction in inflammatory markers with 600mg daily chaga extract. Animal studies demonstrate immune enhancement and liver protection, but well-designed human trials with larger sample sizes are needed. Current evidence is preliminary and requires confirmation through rigorous clinical research.

Also Known As

Inonotus obliquusChaga mushroomBirch cankerBlack massSterile conk trunk rotClinker polyporeTschagaKing of herbs

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These statements have not been evaluated by the Food and Drug Administration. This content is for informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease.

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