Also known as: Lentinula edodes, Lentinus edodes, Shiitake, Shiitake Mushroom Extract (Lentinula edodes), Shiitake extract
Shiitake mushroom extract is a fungal ingredient containing bioactive compounds including polysaccharides (beta-glucans) and lentinan, traditionally used to support immune function. Limited clinical evidence supports immune-modulating properties, primarily from observational and preliminary studies.
Safe for long-term use
Immune support seekers
We haven’t curated landmark studies for Shiitake Mushroomyet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.
Good evidence for immune modulation and beta-glucan benefits
Consult healthcare provider
No concerns
Highest-scored catalog products containing Shiitake Mushroom, ranked by our scoring engine.
Browse all Shiitake Mushroom products →Other ingredients in the Immune category.
Browse all Immune ingredients →Formulate Research Team. (2026, September). Shiitake Mushroom — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/shiitake-mushroom
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.