SAFE

Chaga (Inonotus obliquus)

Inonotus obliquus (sclerotium extract, betulinic acid)
Possibly Safe V2 Verified Botanicals
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PubMed Studies
680
About

Birch-parasitic fungus from Siberia and North America. Betulinic acid, triterpenes, and melanin complex with antioxidant and immune properties. Gaining popularity in longevity circles.

How it works (mechanism of action)

Acts on cellular signalling pathways relevant to the documented clinical indications. Contains bioactive compounds with enzyme-modulating, receptor-binding, or antioxidant properties studied in peer-reviewed literature.

👥 Safety by Population
PopulationSafety RatingMax Safe Dose
GeneralPossibly safeNot established
PregnancyPossibly safeNot established
ElderlyPossibly safeNot established
🚫 Contraindications & Warnings

Anticoagulant: oxalate content — kidney stone risk with high doses (very high oxalate). Drug interactions: anticoagulants, insulin (blood glucose lowering). Kidney stone history: HIGH OXALATE content — AVOID or limit severely. Autoimmune: immunostimulant. Pregnancy: insufficient data.

🏷️ Other Names
Inonotus obliquus (sclerotium extract, betulinic acid)
References (1)
  1. European Commission. Regulation (EU) No 432/2012. Off J Eur Union. 2012;L 136:1-40.   Regulatory document   Source ↗

Evidence grades: SR = Systematic review / meta-analysis (highest) · RCT = Randomized controlled trial · Reg = Regulatory/official guidance

Updated: 2026-04-02
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