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. 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
Nutrient Tables (per 100 g)
Core nutrients
| Nutrient | Amount per 100 g | % RDA per 100 g |
|---|---|---|
| Energy | 33 kcal | — |
| Protein | 2.2 g | — |
| Total fat | 0.4 g | — |
| Carbohydrates | 6.8 g | — |
| Fibre | 3.1 g | — |
Key micronutrients
| Nutrient | Amount per 100 g | % RDA per 100 g |
|---|---|---|
| Iron | 0.7 mg | 4.1% |
| Zinc | 0.5 mg | 4.5% |
| Magnesium | 10.5 mg | 2.5% |
| Selenium | 0.4 µg | 0.7% |
| Calcium | 0.4 mg | 0% |
| Potassium | 375.9 mg | 11.1% |
| Vitamin B6 | 0.1 mg | 6.2% |
Bioactive compounds
Values below are often from specialist compositional databases or literature, not the standard USDA panel. Asterisks (*) refer to source notes at the bottom of this section.
| Compound / class | Amount per 100 g | Notes |
|---|---|---|
| ALA | 671 mg | — |
Note: Bioactive-compound values vary substantially by cultivar, species, cocoa or oil percentage, processing, and brand formulation. Show quantitative values only where a defensible source exists; otherwise prefer qualitative presence statements or ranges in source notes.
Substances
Substances in this food: editorial (Overview / literature) plus analytical (nutrition table).
10 substances in this food
Polysaccharides
Complex carbohydrates with immune-modulating and gut microbiome supporting properties
Vitamin B3 (Niacin; Niacinamide)
NAD+ precursor; supports mitochondrial biogenesis and ATP production
Iron
Oxygen transport; dopamine synthesis (tyrosine hydroxylase cofactor)
Zinc
Cofactor in neurotransmission and antioxidant enzymes; dopamine modulation
Magnesium
Enzymatic cofactor (>300 reactions); neurotransmitters; mitochondria; redox balance
Selenium
Antioxidant enzyme cofactor (GPx); supports redox balance
Calcium
Bone health; neurotransmission; interacts with vitamin D and K2
Potassium
Electrolyte for nerve transmission, muscle function, and blood pressure regulation
Vitamin B6 (Pyridoxine → PLP)
PLP cofactor for neurotransmitter synthesis; relies on brain PDXK activation
ALA (Alpha-Linolenic Acid)
Essential omega-3 precursor; limited conversion to DHA/EPA
References
- Reishi mushroom (Ganoderma lucidum) contains polysaccharides and other bioactive compounds that support vitality, stress modulation, and immune balance
- A randomised, double-blind, placebo-controlled trial in patients with chronic fatigue syndrome showed that an eight-week course of Reishi mushroom extract led to significantly greater improvements in fatigue, overall clinical severity, and sense of wellbeing compared with placebo; over half of those taking Reishi were rated as meaningfully improved, and the extract was well tolerated
- Reishi works cumulatively to restore depleted reserves, supporting the foundations of energy, resilience, and emotional steadiness rather than providing quick stimulation