Reishi

Reishi is included in the Longevity Diet mushroom group (75–150 g raw or boiled per dish). As a mushroom, it is recognized for vitamin D synthesis upon UV exposure — maitake leads at 786 IU/cup raw; a

Why It Matters for Longevity

Reishi is included in the Longevity Diet mushroom group (75–150 g raw or boiled per dish). As a mushroom, it is recognized for vitamin D synthesis upon UV exposure — maitake leads at 786 IU/cup raw; all culinary mushrooms provide meaningful vitamin D when UV-exposed. Ergosterol in mushroom cell walls converts to ergocalciferol (vitamin D2) upon UV light exposure; vitamin D supports immune function, bone health, and anti-inflammatory signaling relevant to aging.. Reishi mushroom polysaccharides (beta-glucans) and triterpenoids (ganoderic acids) demonstrate immunomodulatory, anti-inflammatory, and antioxidant activities in cell and animal studies; proposed mechanisms include NF-κB inhibition and enhancement of natural killer cell activity. (PubMed — Wachtel-Galor et al., Herbal Medicine: Biomolecular and Clinical Aspects (2011) — PMID 22593926) A Cochrane review of 5 randomized trials of Ganoderma lucidum found evidence of improved immune biomarkers and quality of life in cancer patients; authors note insufficient evidence to recommend as primary cancer therapy but acknowledge biologically plausible immunostimulatory mechanisms. (PubMed — Jin et al., Cochrane Database of Systematic Reviews (2016) — PMID 27045853)

How to Use It

Pairs well with ginger, licorice-root, portobello. Use as a mushroom in your daily meals according to the Longevity Diet guidelines.

What to Pair It With

Synergies

• Portobello (complement): Combining reishi triterpenoids with portobello beta-glucans offers complementary immune-modulating mechanisms; blending mushroom varieties maximizes bioactive diversity. - Ginger (complement): Ginger gingerols and reishi ganoderic acids both inhibit NF-κB; their combination may produce additive anti-inflammatory effects in traditional tea preparations. - Extra-Virgin-Olive-Oil (synergy): Dietary fat enhances absorption of fat-soluble triterpenoids from reishi, suggesting consuming reishi-containing dishes with olive oil improves bioavailability.

Flavor Profile

Taste: bitter, earthy, woody, umami (in small amounts). Aroma: woody, earthy, mushroom-like. Texture: tough and woody (fresh/dried whole), silky in liquid extracts. Category: medicinal mushroom / tea / supplement.

The Science

• PubMed — Wachtel-Galor et al., Herbal Medicine: Biomolecular and Clinical Aspects (2011) — PMID 22593926: Reishi mushroom polysaccharides (beta-glucans) and triterpenoids (ganoderic acids) demonstrate immunomodulatory, anti-inflammatory, and antioxidant activities in cell and animal studies; proposed mechanisms include NF-κB inhibition and enhancement of natural killer cell activity. - PubMed — Jin et al., Cochrane Database of Systematic Reviews (2016) — PMID 27045853: A Cochrane review of 5 randomized trials of Ganoderma lucidum found evidence of improved immune biomarkers and quality of life in cancer patients; authors note insufficient evidence to recommend as primary cancer therapy but acknowledge biologically plausible immunostimulatory mechanisms. - PubMed — Zhu et al., International Journal of Medicinal Mushrooms (2015) — PMID 26756237: Reishi beta-glucans extend median and maximum lifespan in C. elegans and Drosophila models; proposed mechanisms include activation of DAF-16/FOXO transcription factor (analogous to longevity-associated pathways in mammals) and reduction of oxidative stress. - Book claim (high confidence): Reishi is included in the Longevity Diet mushroom group (75–150 g raw or boiled per dish). As a mushroom, it is recogniz

Key Nutrients