NutriVouch
Confidence level
Emerging evidence
10 studies

Oyster (Mushroom)

Last reviewed: 4/11/2026

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Absorption
Cook lightly to preserve beta-glucans. Whole mushroom is most bioavailable form. Powder extracts available but less studied than culinary use.
Daily Dose
Common dose: 50-100g fresh mushroom or 1-3g dried
RDA: No established RDA
Upper limit: No established upper limit
Best form: Fresh or dried whole mushroom; hot water extracts
Timing: With meals
Contains naturally occurring lovastatin — those on statin medications should be aware of additive effects.
Food Sources
  • Fresh oyster mushrooms~3-4g beta-glucans per 100g

Not medical advice

Oyster (Mushroom) — Weak evidence | NutriVouch