Reishi Mushroom

Overview

Reishi mushroom (Ganoderma lucidum), known in China as Ling Zhi, is a medicinal mushroom with a long-standing reputation as a tonic for vitality. Unlike stimulants such as caffeine, Reishi works quietly and cumulatively, supporting the foundations of energy, resilience, and emotional steadiness.

Within the BRAIN Diet framework, modern research links these effects largely to its polysaccharides, alongside other bioactive compounds that help modulate stress and immune balance—key influences on long-term vitality. Traditionally reserved for emperors and scholars, Reishi is valued not for quick stimulation but for its ability to restore depleted reserves and support recovery and balance [1][2].

Key Nutritional Highlights

• Reishi supplies fungal polysaccharides studied for immune-modulating properties [1]
• Mushroom polyphenols and triterpenes contribute antioxidant nutraceutical mechanisms [2]
• Reishi mushroom (Ganoderma lucidum), known in China as Ling Zhi, is a medicinal mushroom with a long-standing reputation as a tonic for vitality. [1]
• Unlike stimulants such as caffeine, Reishi works quietly and cumulatively, supporting the foundations of energy, resilience, and emotional steadiness. [2]
• Modern research links these effects largely to its polysaccharides, alongside other bioactive compounds that help modulate stress and immune balance—key influences on long-term vitality.
• Traditionally reserved for emperors and scholars, Reishi is valued not for quick stimulation but for its ability to restore depleted reserves and support recovery and balance.

Food Context

Sourcing

• Store in a cool, dry place away from light to preserve bioactive compounds

Preparation

• Available as dried mushroom, powder, extract, or tea
• Extracts may provide more concentrated bioactive compounds than whole dried mushrooms
• Can be consumed as tea, added to soups, or taken as a supplement
• Traditional use emphasizes cumulative, long-term benefits rather than immediate effects

Recipes

no recipes found

Nutrient Tables (per 100 g)

Bioactive compounds

Explicitly identified compounds, including individual fatty acids, with a defensible quantity or an explicit qualitative status. Asterisks (*) identify supplementary sources below. Unquantified or trace constituents are not automatically admitted to the Substances list.

Compound / class	Amount per 100 g	Notes
Polysaccharides	Present — quantity not established *	—

Source notes (supplementary):

• * Polysaccharides: Reishi Mushroom is characterised by fungal polysaccharides; USDA SR Legacy has no record for this mushroom, so quantity is not established.

Reference intakes: US Dietary Reference Intakes for adults (19–50 years; using the higher of male/female values where they differ).

This value uses a documented composition interpretation. See FCIR-014.

Substances

Substances admitted through a supported nutrition-table row. Not every table row appears here. Cards are not BRS mappings.

1 substance in this food

Polysaccharides

Complex carbohydrates with immune-modulating and gut microbiome supporting properties

References

[1] Reishi supplies fungal polysaccharides studied for immune-modulating properties. Starck et al. 2024. Mushrooms: a food-based solution to vitamin D deficiency to include in dietary guidelines

[2] Mushroom polyphenols and triterpenes contribute antioxidant nutraceutical mechanisms. Boots et al. 2008. Health effects of quercetin: From antioxidant to nutraceutical