Chaga

Chaga (Inonotus obliquus) — specific reference entry in your Materia Medica.
Parts usedSterile conk/sclerotium from birch
Primary actionsTonic polypore; bitter; oxidative‑stress support (traditional)
SystemsImmune; Digestive
PreparationsLong simmered decoction (chunks or coarse powder; hours)Dual‑extract (hot‑water + alcohol) for broader rangePowder/capsules (verify sourcing)
NotesHard, charcoal‑like growth harvested from birch. Rich, earthy decoctions are traditional; dual‑extraction captures both polysaccharides and triterpenes.
SafetyHarvest ethically; avoid stripping living trees or protected areas. Educational content. Consult a qualified professional regarding individual use, especially with medications, pregnancy, or medical conditions.