Herbal Extract
Royal Sun Blazei (Agaricus brasiliensis f. blazei)
Also known as: Agaricus brasiliensis, Agaricus blazei, ABM mushroom, himematsutake
Royal Sun Blazei is a Brazilian medicinal mushroom rich in beta-glucans, traditionally used in Japanese and Brazilian folk medicine for immune support. Human evidence is very limited; studies are mostly small or preliminary.
Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.
Primary uses
- immune support
- general wellness
How it works
- beta-glucan-mediated immune activation
- macrophage stimulation
- potential anti-inflammatory effects
Dosage
- Typical range
- 1,000–2,000 mg daily (dried mycelium biomass)
- Timing
- with meals for optimal absorption
- With food
- recommended
- Duration
- Limited data on optimal duration; generally considered safe for chronic use
- Special populations
- Pregnant/nursing women and immunocompromised patients should consult healthcare provider
Forms
- mycelium biomass on rice· 70/100
- extract· 70/100
- powder· 70/100
Safety
Common side effects
- rare: mild GI upset
Contraindications
- immunosuppressant therapy (potential conflict)
- autoimmune disease (immune stimulation may be problematic)
Evidence notes
Very limited human clinical data. Most evidence derives from in vitro and animal studies. A few small human studies exist but lack rigorous design. Requires further investigation.
Grade D: Primarily pre-clinical or anecdotal; human efficacy not established.
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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.