Also known as: Birch fungus, Inonotus obliquus, King of mushrooms
Antioxidant-rich fungus from birch trees with immune-modulating and anti-inflammatory properties.
Long-term use traditional
Those seeking antioxidant and immune support
We haven’t curated landmark studies for Chaga (Inonotus obliquus)yet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.
Traditional use with emerging research
Insufficient data, avoid
High oxalates - kidney concern with excessive use
Other ingredients in the Mushroom category.
Formulate Research Team. (2026, September). Chaga (Inonotus obliquus) — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/chaga-immune
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.