When you buy through our links, we earn a small commission — and that is what funds all the free education here. It never costs you more. Products are not intended to diagnose, treat, cure, or prevent any disease.
What it is
A standardized extract of red reishi mushroom (Ganoderma lucidum) that adds cracked-spore technology to free more of the mushroom's active compounds, delivering the triterpenes and polysaccharides reishi is known for (standardized to roughly 6% triterpenes and 13% polysaccharides). Taken as two capsules daily, it is used to support the body's normal, everyday immune signaling.
Why the evidence supports it
Reishi carries an unusually long traditional history in Eastern herbal medicine alongside a growing modern research base, and that honesty matters here: much of the finished-product and mechanistic evidence is still preclinical — cell and animal work on how reishi compounds influence immune-cell activity — rather than large human trials. Standardization and clean sourcing are what separate a meaningful reishi extract from a weak one, and this one is built for a high, verified level of actives. On that footing it is a reasonable, evidence-aware way to support the cell's Maintain function through normal immune-cell signaling, not a treatment for any condition.
What it supports
- Supports the body's normal, everyday immune signaling
- Supports a healthy inflammation response already within normal range
- Provides standardized reishi triterpenes and polysaccharides
- Complements a foundation of good sleep, nutrition, and minerals
Which function it supports
Ties to the cell's Maintain function via immune-cell signaling — supporting the normal communication immune cells use to stay coordinated. This is signaling support only, not a treatment for any condition.
Learn the why behind this pillarHow it relates to your cells and mind
Every product here ties back to a specific job your body does. This one touches the functions below — follow either link to see the mechanism in full, then dig into the studies.
What it is made of — and the mechanisms behind it
Each ingredient acts on several of the body's functions. Taken together, this product touches these cell and mind functions — follow any to see the mechanism in full.
The ingredients
Mechanisms drawn from our ingredient knowledge base (1 profiled ingredients). Structure and function only — not a treatment claim.
The science on the ingredients
Studies on the immuno-modulating and antitumor activities of Ganoderma lucidum (Reishi) polysaccharides: functional and proteomic analyses of a fucose-containing glycoprotein fraction responsible for the activities.2002
A fucose-containing sugar-protein fraction from reishi mushroom stimulated immune cell growth and boosted cytokine production, including IL-1, IL-2 and interferon-gamma, in cultured mouse spleen cells.
Wang YY; Khoo KH; Chen ST; Lin CC; Wong CH; Lin CH — Bioorganic & medicinal chemistry
Hsu, H. Y., Chen, Y. P., Shen, S. J. et al. (1986). Oriental Materia Medica: A Concise Guide. Lonag Beach, CA: Oriental Healing Arts Institute, pp.640-641. Institute for Natural Products Research. Natural Dietary Supplements: A Desktop Reference.1998
Chang, H. M. and But, R. P. (eds.) (1986). Pharmacology and Application of Chinese Materia Medica, 1. Singapore: World Scientific, pp.642-653.1986
Chang HM, But RP (eds.). Pharmacology and Applications of Chinese Materia Medica, 1. Singapore: World Scientific, pp. 642-653, 1986.1986
The biologically active constituents of Ganoderma lucidum (Fr.) Karst. Histamine release-inhibitory triterpenes.1985
Kohda H; Tokumoto W; Sakamoto K; Fujii M; Hirai Y; Yamasaki K — Chemical & pharmaceutical bulletin
The Nutritional Significance of Ganoderma lucidum on Human Health: A GRADE-Assessed Systematic Review and Meta-Analysis of Clinical Trials,Meta-analysis2025
Pooled 17 RCTs/971 participants; significant reductions only in BMI, creatinine, glutathione peroxidase, heart rate; no significant effect on body fat, waist circumference, blood pressure, fasting glucose, lipid profile, inflammatory markers, or liver enzymes. PMC12160064.
Jafari et al. — Food Science & Nutrition
A Placebo-Controlled, Pseudo-Randomized, Crossover Trial of Botanical Agents for Gulf War Illness: Reishi Mushroom (Ganoderma lucidum), Stinging Nettle (Urtica dioica), and Epimedium (Epimedium sagittatum).ContestedRandomized controlled trial2021
A randomized controlled trial on Epimedium/icariin found that these results are in a small sample and are preliminary.
Younger J; Donovan EK; Hodgin KS; Ness TJ — International journal of environmental research and public health
Randomized Clinical Trial for the Evaluation of Immune Modulation by Yogurt Enriched with beta-Glucans from Lingzhi or Reishi Medicinal Mushroom Ganoderma lucidum (Agaricomycetes) in Children from Medellin ColombiaRandomized controlled trial2018
A randomized clinical trial in children found that yogurt enriched with reishi mushroom beta-glucans was associated with markers of immune modulation compared with standard yogurt.
Study authors — International Journal of Medicinal Mushrooms
Ganoderma lucidum Effects on Mood and Health-Related Quality of Life in Women with FibromyalgiaContestedRandomized controlled trial2020
Six weeks of Ganoderma lucidum (reishi) supplementation showed no statistically significant improvement in mood or quality-of-life scores compared with placebo in women with fibromyalgia.
Collado Mateo D, Adsuar JC, Olivares PR, et al. — Healthcare (Basel)
Evaluation of Immune Modulation by beta-1,3;1,6 D-Glucan Derived from Ganoderma lucidum in Healthy Adult Volunteers, A Randomized Controlled Trial.Randomized controlled trial
placebo. PMC9914031.
Cellular and molecular mechanisms of immuno-modulation by Ganoderma lucidumEmergingExpert review2005
This review describes how Ganoderma lucidum polysaccharides trigger receptor-mediated signaling cascades that upregulate cytokine and immune-cell gene programs in laboratory models.
Lin ZB — Journal of Pharmacological Sciences
Ganoderma lucidum dry extract supplementation modulates T lymphocyte function in older womenEmerging2024
Eight weeks of reishi dry extract shifted T lymphocyte signaling toward an anti-inflammatory profile in older women without increasing T cell proliferation.
Iser-Bem PN, Lobato TB, Alecrim-Zeza AL, et al. — British Journal of Nutrition
Phytochemical Profiling and Bioactivity Evaluation of Ganoderma lucidum (Reishi Mushroom) Fractions: In Vitro Antioxidant, Antimicrobial, and Antidiabetic Activities.2026
Chromatographic fractionation of Ganoderma lucidum (reishi) identified 46 bioactive compounds, with distinct fractions showing the strongest antioxidant activity, antibacterial activity against E. coli and K. pneumoniae, and selective alpha-amylase versus alpha-glucosidase enzyme inhibition.
Shehzadi N; Khan S; Degennaro L; D'Arienzo G; Mehmood N; Chaudhary A; Afzal M; Argentieri MP — Metabolites
Evaluation of Immune Modulation by beta-1,3;1,6 D-Glucan Derived from Ganoderma lucidum in Healthy Adult Volunteers, A Randomized Controlled TrialEmerging2023
Eighty-four days of reishi beta-glucan increased T-lymphocyte subsets, natural killer cell counts, and immune cell activity markers in healthy adults versus placebo.
Chen SN, Nan FH, Liu MW, Yang MF, Chang YC, Chen S — Foods
Protective effects of Ganoderma lucidum polysaccharide peptides against cisplatin-induced toxicity.2026
In animal and cell models, Ganoderma lucidum (reishi) polysaccharide peptides reduced markers of oxidative stress, inflammation, and cell death associated with cisplatin-induced organ toxicity.
Hou Z; Ji W; Yang S; Zhang Y; Yang T; Wang L; Luo H; Lin D; Yang B; Chen X; Fang H — Journal of ethnopharmacology
ReishiMax, mushroom based dietary supplement, inhibits adipocyte differentiation, stimulates glucose uptake and activates AMPKEmerging2011
In cultured fat cells, ReishiMax suppressed adipogenic transcription factors and lipid-storage proteins while activating AMPK and increasing glucose uptake, a metabolic signaling mechanism.
Thyagarajan-Sahu A, Lane B, Sliva D — BMC Complement Altern Med
Effects of Biochar on Physiological and Biochemical Characteristics of Ganoderma lingzhi (Lingzhi) During Cultivation.2026
A cultivation study found that adding biochar to the growth substrate increased Ganoderma lingzhi (reishi) mycelial growth rate and extracellular enzyme activity while decreasing mycelial protein levels.
Ning Z; Jiang Y; Duan X; Zhang Y; Zhang B; Hua S; Li X; Wu J — Journal of basic microbiology
Extract of Ganoderma lucidum potentiates pentobarbital-induced sleep via a GABAergic mechanismEmerging2007
In an animal model, Ganoderma lucidum extract lengthened sedative-induced sleep time and this effect was blocked by a benzodiazepine-receptor antagonist, pointing to a GABAergic mechanism.
Chu QP, Wang LE, Cui XY, et al. — Pharmacol Biochem Behav
Microwave-Assisted Extraction Optimization, Solubility, and Bioactivity Evaluation of Polysaccharides from Broken Lingzhi or Reishi Medicinal Mushroom Ganoderma lucidum (Agaricomycetes) Spore Powder.2026
Researchers optimized microwave-assisted extraction of polysaccharides from broken Ganoderma lucidum (reishi) spore powder, finding in vitro antioxidant and hypouricemic activity under optimal extraction conditions.
Liu Y; Guo LG; Dong X; Wang S; Xu H; Zhou H — International journal of medicinal mushrooms
Studies of immuno-modulating and antitumor activities of Ganoderma lucidum (Reishi) polysaccharides: Functional and proteomic analyses of a fucose-containing glycoprotein fraction responsible for the activitiesEmerging2002
A fucose-containing glycoprotein isolated from Ganoderma lucidum stimulated mouse spleen cell proliferation and cytokine expression, changing roughly half of the measured spleen-cell proteome.
Wang YY, Khoo KH, Chen ST, Lin CC, Wong CH, Lin CH — Bioorganic & Medicinal Chemistry
Physicochemical profiles and antioxidant capacities of lingzhi (Ganoderma lingzhi) polysaccharides under different extraction regimes.2026
Crude Ganoderma lingzhi (reishi) polysaccharide extract showed stronger DPPH and hydroxyl radical scavenging activity than purified fractions GLP1 and GLP2, which differed in molecular weight and monosaccharide composition.
Liu H; Hua J; Xie J; Zhang B; Hua S; Li X; Duan X — Natural product research
Characterization of metabolites of ganoderic acids extract from Ganoderma lucidum in rats using UHPLC-MS/MS.2025
Researchers identified 107 rat metabolites derived from Ganoderma lucidum (reishi) ganoderic acid extract, providing insight into how this herbal medicine's immunomodulatory, anti-inflammatory, and anticancer compounds are processed in the body.
Liu W; Wu N; Peng B; Li T; Ren L; Li B; Song Y — Journal of pharmaceutical and biomedical analysis
Pharmacokinetic and tissue distribution analysis of sporoderm-removed Ganoderma lucidum spore powder in rats.2025
A pharmacokinetic study in rats found triterpenoids from Ganoderma lucidum (reishi) spore powder were rapidly absorbed and widely distributed to the liver, lungs, spleen, kidney, heart, and gut after oral dosing, informing future development of this mushroom's bioactive compounds.
Yu H; Zhang G; Xu J; Wang X; Wang Y; Yang J; Li Z — Journal of chromatography. B, Analytical technologies in the biomedical and life sciences
Ganoderma lucidum and Robinia pseudoacacia Flower Extract Complex Alleviates Kidney Inflammation and Fibrosis by Modulating Oxidative Stress.2025
A Ganoderma lucidum (reishi) and Robinia flower extract complex reduced oxidative stress and inflammatory signaling in kidney cells and lessened kidney damage and fibrosis in a mouse model.
Kim S; Kim J; Kim JL; Park MR; Park KW; Chung KW — Antioxidants (Basel, Switzerland)
Balanced by design — we show supporting and contradicting findings. Search all studies
No product works in isolation
Every cell function above — Sense, Exchange, Transform, Build, Maintain, Adapt — needs the same broad base of optimal micronutrient levels running underneath it, all the time. ReishiMax GLp is not a stand-alone fix; it is one piece that plugs into that larger system. The foundation comes first, and this supports it.
Stacks well with
Pick your goal — here is what ReishiMax GLp pairs with for each. Nothing works in isolation; these share the same systems.
For Immune
For Energy & Mitochondria
For Gut Health
Foundational, or targeted?
Not everything in the shop is meant to be taken forever. Some products here are foundational — a daily nutrient base built for long-term, ongoing use. Others are targeted -- shorter-term support for a specific season, not a lifelong habit. If you are not sure which one this is, that is a fair question to ask us before you buy.
Learn more, on your terms
Do not take our word for it — go read. Each topic below opens a pre-loaded search so you can explore the nutrient, the mechanism, or the device for yourself.
Search the full studies libraryHow to use it
Take with water on the schedule the brand suggests. Current bottle directions vary, so follow the label you have.
Where to get it
Ready when you are. This link takes you to the official, verified source for this product.
Get ReishiMax GLpThe studies
See the research behind the science we point to.
Explore studiesThe blog
Plain-language reads on how it all fits together.
Read the blogOptimal nutrients are the definition of longevity
Long-term cell function depends on having what it needs, at the level it needs it, for as long as it needs it. That is the whole thesis behind everything we point you to here.
When you buy through our links, we earn a small commission — and that is what funds all the free education here. It never costs you more. Products are not intended to diagnose, treat, cure, or prevent any disease.
ReishiMax GLp is a standardized reishi mushroom extract with cracked spores, delivering the triterpenes and polysaccharides the mushroom is known for. Reishi is a long-used botanical in Eastern herbal traditions, taken here to support the body's normal immune signaling. It fits people who want grounded, everyday immune-signaling support.
Common questions
What does ReishiMax GLp support?+
It supports the body's normal, everyday immune signaling and a healthy inflammation response already within normal range, provides standardized reishi triterpenes and polysaccharides, and complements a foundation of good sleep, nutrition, and minerals.
How do I take it?+
Take with water on the schedule the brand suggests. Current bottle directions vary, so follow the label you have.
What makes it different?+
Reishi has a deep traditional history and a real, if early, research base, so it is presented as everyday immune-signaling support rather than anything stronger. Sourcing and standardization matter here.