Chaga Mushroom (Inonotus obliquus)

The 'King of Mushrooms' with one of the highest ORAC antioxidant scores of any food.

Also known as: Birch Conk • Clinker Polypore • King of Mushrooms

other Names
Birch Conk, Clinker Polypore, Inonotus obliquus
primary Benefits
Antioxidant, immune support, anti-inflammatory, gut health
common Dose
500-1500 mg extract daily
best Form
Dual-extracted (hot water + alcohol)
timing
Morning or with meals
safety Rating
Safe

Overview

Chaga (Inonotus obliquus) is a parasitic fungus that grows on birch trees in cold climates. It has been used in Russian and Scandinavian folk medicine for centuries. Chaga has one of the highest ORAC (antioxidant) scores of any food, and contains unique compounds including betulinic acid (from birch bark), melanin, and beta-glucans.

Key Benefits

Exceptional Antioxidant

One of the highest ORAC scores of any natural substance, rich in melanin and SOD.

Immune Support

Beta-glucans and polysaccharides modulate immune cell activity.

Anti-Inflammatory

Betulinic acid and inotodiol reduce inflammatory markers.

Gut Health

Supports beneficial gut bacteria and intestinal barrier integrity.

Dosage & How to Take

500-1500 mg extract daily.

PurposeDoseNotes
General wellness500-1000 mg/dayDual-extracted
Immune support1000-1500 mg/dayDuring illness or immune challenge

Best Time to Take

Morning or with meals.

With or Without Food

Can be taken with or without food.

Forms & Bioavailability

FormAbsorptionBest ForNotes
Dual-Extracted CapsulesHighFull spectrum of compoundsHot water + alcohol extraction.
Chaga Tea/ChunksModerateTraditional useSimmer chunks for 4+ hours.
TinctureGoodQuick absorptionAlcohol-based extract.

Side Effects & Safety

Common

  • Generally well tolerated

Rare

  • Kidney stones (high oxalate content)
  • Hypoglycemia

Contraindications

  • Kidney disease or history of kidney stones
  • Autoimmune conditions
  • Blood clotting disorders

Interactions

Blood thinnersModerate

May inhibit platelet aggregation.

Diabetes medicationsModerate

May lower blood sugar.

Scientific Research

2019International Journal of Medicinal Mushrooms

Chaga and immune modulation

Studies showed significant enhancement of NK cell activity and cytokine production.

Food Sources

Chaga tea (traditional preparation)

Products With Chaga Mushroom (Inonotus obliquus)

4 products in our database contain this ingredient

Frequently Asked Questions

Medical Disclaimer

This content is for educational and informational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen, especially if you have pre-existing health conditions or are taking medications. The statements on this page have not been evaluated by the Food and Drug Administration.