Botanical Overview
Inonotus obliquus, commonly known as Chaga, Black Birch Fungus, or Clinker Polypore, belongs to the Hymenochaetaceae family. It is a parasitic fungus primarily found in boreal forests of the Northern Hemisphere, including Russia, Northern Europe, North America, and Asia. The medicinal parts used are the sclerotium and conk, which are hardened masses of the fungal mycelium growing on birch trees.
Energetics
This fungus is considered warming and drying in nature, with bitter and astringent tastes. Its energetic directionality is descending, tonifying qi, and it is traditionally used to support vital energy.
Primary Actions
- Antioxidant
- Immunomodulator
- Anti-inflammatory
- Antiviral
- Adaptogen
Indications
Western
- Fatigue
- Inflammation
- Viral infections
- Oxidative stress
Syndromes
- Immune deficiency
- Chronic inflammation
- Digestive disorders
- Cancer adjunct support
TCM
- Chronic cough
- Fatigue
- Weak digestion
Syndromes
- Qi deficiency
- Spleen and Lung deficiency heat
Ayurveda
No well-documented traditional uses or syndromes are established.
Unani
No well-documented traditional uses or syndromes are established.
Constituents & Mechanisms
Major phytochemicals include betulinic acid, polysaccharides, melanin, triterpenoids, and various phenolic compounds, accounting for its antioxidant and immunomodulatory effects.
Dosage & Preparations
- Decoction: 2-3 g dried conk daily
- Tincture (1:5, 40% ethanol): 2-5 mL, 1-3 times daily
- Powdered extract: 500-1000 mg daily
Safety & Contraindications
Chaga is generally considered safe but should be used with caution in autoimmune diseases due to its immune-stimulating properties. There is limited information on safety in pregnancy and lactation; thus, use is not recommended. Potential interactions exist with immunosuppressants and anticoagulants.
Astrological Correspondences
No verified planetary or elemental rulers are documented in reputable esoteric traditional sources.
Selected References
- Pharmacological Potential of Inonotus obliquus: A Review
- Chaga (Inonotus obliquus): A Medicinal Mushroom with Immune-Boosting Properties
- Inonotus obliquus (Chaga) Monograph – Plants For A Future
- Inonotus obliquus in Traditional Chinese Medicine – Bensky & Gamble