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Herbal Extract

Chaga Mushroom (Inonotus obliquus)

Also known as: Inonotus obliquus, Chaga, Birch Fungus, Chaga Extract

C
Evidence

Chaga is a fungal growth on birch trees traditionally used in Scandinavian and Russian medicine, containing bioactive compounds like polysaccharides and betulinic acid. Limited human clinical evidence exists for most claimed benefits, with most research conducted in vitro or in animal models.

Primary uses

  • Immune system support
  • Antioxidant support
  • General wellness

How it works

  • Polysaccharide-mediated immune modulation
  • Antioxidant activity via melanin and phenolic compounds
  • Potential anti-inflammatory effects

Dosage

Typical range
1-3 grams daily (powder) or 250-500 mg extract
Timing
Can be taken any time; often mixed into beverages
With food
May be taken with or without food; some evidence suggests taking with food may improve absorption
Duration
Traditionally used long-term; optimal duration for modern use unclear due to limited human studies
Special populations
Pregnant/nursing women should consult healthcare provider; may interact with immunosuppressant medications

Forms

  • Powder· 70/100
  • Extract· 70/100
  • Capsule· 70/100
  • Tea· 70/100

Safety

Common side effects

  • Generally well-tolerated
  • Rare: digestive upset
  • Rare: allergic reactions in sensitive individuals

Contraindications

  • Immunosuppressant therapy (potential immune stimulation may interfere)
  • Known allergy to fungi or birch pollen
  • Pregnancy and lactation (insufficient safety data)

Evidence notes

Most evidence is in vitro or animal-based; human RCTs are limited and small. Traditional use is well-established but does not substitute for clinical evidence. Grade reflects preliminary scientific support for immune and antioxidant claims.

Grade C: Mostly observational or small trials; mechanism is plausible but unproven at scale.

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider.