This product is not intended to diagnose, treat, cure, or prevent any disease. These statements have not been evaluated by the Food and Drug Administration.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your healthcare provider before using herbs, especially if you are pregnant, nursing, taking medications, or have a medical condition.
How does Ganoderma tsugae work to support immune function?
Ganoderma tsugae contains bioactive polysaccharides, particularly beta-glucans, that modulate immune cell activity including macrophages and natural killer cells. The ganoderic acids and triterpenoids contribute anti-inflammatory and hepatoprotective effects. These compounds appear to enhance immune surveillance while regulating inflammatory cytokine production. Evidence level: C (preliminary clinical evidence and traditional use support these mechanisms).
Can I take Ganoderma tsugae with blood thinners or anticoagulant medications?
No, Ganoderma tsugae should not be combined with anticoagulant medications. The triterpenoids and other compounds in this mushroom may affect platelet aggregation and blood clotting, potentially increasing bleeding risk when taken with warfarin, aspirin, clopidogrel, or other blood-thinning drugs. This interaction represents a significant contraindication. Patients on anticoagulants should avoid Ganoderma tsugae unless specifically approved by their healthcare provider.
What is the recommended daily dosage for Ganoderma tsugae extract?
The standard adult dosage for Ganoderma tsugae extract is 1-3 grams daily, typically divided into one to three doses. This can be taken as capsules, powdered extract, or liquid tincture. Traditional preparations may use higher amounts, but standardized extracts within this range have been used in preliminary research. Start at the lower end to assess individual tolerance. Consult a qualified healthcare practitioner for personalized dosing guidance.
Is Ganoderma tsugae safe to take during pregnancy or while breastfeeding?
No, Ganoderma tsugae is considered unsafe during pregnancy and breastfeeding. The immunostimulant properties and bioactive triterpenoids may affect fetal development or infant health through breast milk. There is insufficient safety data to support use during these periods. Pregnant or nursing individuals should avoid Ganoderma tsugae supplements entirely and consult a healthcare provider for appropriate alternative immune support options.
Can people with autoimmune conditions take Ganoderma tsugae?
Ganoderma tsugae is contraindicated for individuals with autoimmune conditions such as lupus, rheumatoid arthritis, multiple sclerosis, or Hashimoto's thyroiditis. As an immunostimulant, it may overactivate immune function and potentially worsen autoimmune symptoms or trigger flare-ups. The polysaccharides that enhance immune activity could exacerbate the underlying condition. Patients with autoimmune disorders should consult a healthcare provider before considering any immune-modulating supplements.
PubMed-compiled information sheet
This sheet was compiled from PubMed (NIH) abstracts using AI assistance. Every factual claim is cited to a real PubMed article (see the source list). It has not yet been human-reviewed — confirm with a healthcare provider before use.
Compiled from 30 PubMed articles · model: gemma4:31b
Summary
Ganoderma tsugae is a medicinal mushroom endemic to Northeast China and cultivated in Taiwan, used in traditional medicine for various health benefits [PMID:34603250, PMID:16399629]. It exhibits antioxidant, anti-inflammatory, and anti-tumor activities across various preclinical models [PMID:12358482, PMID:33044769, PMID:16399629].
Background
Ganoderma tsugae, also known as Songshan lingzhi, is a polypore fungus that can utilize coniferous wood as a substrate [PMID:34603250, PMID:40110128]. It is commercially cultivated as a dietary supplement and used as a traditional Chinese medicine [PMID:23610080, PMID:41176168].
Traditional uses
It is widely used in traditional Chinese medicine for nourishing, countering cold, activating blood circulation, and treating rheumatoid arthritis [PMID:41176168].
Active compounds
The major components are triterpenoids, including lanostanes (such as tsugaric acids C, D, E, and F, and ganodermanontriol) [PMID:41176168, PMID:26598137, PMID:23769935, PMID:10785428, PMID:37796245]. Other identified compounds include acidic polysaccharides (e.g., GTP-2), sterols, amino acids, alkaloids, and a novel palmitamide [PMID:40022418, PMID:41176168, PMID:26598137, PMID:38562486].
Mechanism of action
G. tsugae ethanol extract (GTEE) suppresses the Akt signaling pathway and blocks PI3K/Akt and MAPK/ERK pathways to inhibit cancer cell growth [PMID:33044769, PMID:31500366]. It induces G1/S or G2/M cell cycle arrest and triggers apoptosis via mitochondrial and death receptor pathways [PMID:33044769, PMID:30465897, PMID:18951965]. In cardiac and brain models, it alleviates oxidative stress by increasing expression of superoxide dismutase-1 (SOD-1), catalase, and BDNF [PMID:23610080, PMID:35390035]. It also modulates Th1/Th2 and macrophage responses in allergic models [PMID:16905232].
Clinical evidence
Evidence DEndometrial Carcinoma
Ethanol extract suppressed proliferation of HEC-1-A, KLE, and AN3 CA cells via Akt signaling pathway suppression [PMID:33044769]
Evidence DMetastatic Prostate Cancer
Ethanol extract suppressed cell growth and metastatic capability in PC-3 and DU145 cells and inhibited subcutaneous PC-3 tumor growth in xenograft models [PMID:31500366]
Evidence DMyocardial Injury
Triterpenoid fraction protected mice from isoproterenol-induced injury by inhibiting Fas/Fas ligand expression and oxidative stress [PMID:23610080]
Evidence DCognitive Impairment (Aging)
DMSO extract improved locomotion, spatial memory, and learning in D-galactose-induced aging rats [PMID:35390035]
Evidence DAcute Liver Injury
Ethanol extract of rice solid-state fermented G. tsugae reduced AST, ALT, and inflammatory cytokines in CCl4-induced liver injury mice [PMID:36014587]
Evidence DAtherosclerosis
Safety & adverse effects
Nano/submicrometer and hot-water extracts exhibited no mutagenic potential to Salmonella Typhimurium tester strains and were confirmed safe in cell toxicity tests [PMID:25406501].
Drug interactions
Tsugaric acid D combined with cisplatin enhanced the cytotoxicity induced by cisplatin, suggesting potential for enhancing therapeutic efficacy and reducing cisplatin resistance [PMID:23769935].
Evidence summary
The current evidence is based entirely on in vitro cell lines and in vivo animal models (mice and rats), representing a low overall clinical strength (Level D).
PubMed sources
1.PMID: 35024180 (2021) — Activation of Nrf2/HO-1 signaling: An important molecular mechanism of herbal medicine in the treatment of atherosclerosis via the protection of vascular endothelial cells from oxidative stress. · Journal of advanced research
2.PMID: 37796245 (2024) — Antibacterial lanostane triterpenoids from Ganoderma tsugae. · Journal of Asian natural products research
3.PMID: 25975187 (2015) — Secondary metabolites from Ganoderma. · Phytochemistry
4.PMID: 26598137 (2016) — Triterpenoids and an alkamide from Ganoderma tsugae. · Fitoterapia
5.PMID: 33044769 (2021) — Ganoderma tsugae suppresses the proliferation of endometrial carcinoma cells via Akt signaling pathway. · Environmental toxicology
Government sources
No direct government monograph is available for this herb. The content below is AI-generated and has not been verified against an authoritative government source. Use the search links to check official sources before relying on this information.
Acidic polysaccharide GTP-2 ameliorated blood lipid levels and reduced atherosclerotic lesions in ApoE-/- mice [PMID:40022418]
Evidence DBronchoalveolar Inflammation
Supplementation decreased total infiltrating leukocytes and lymphocyte percentage in OVA-challenged mouse models [PMID:16399629, PMID:16905232]
Evidence DObesity
Ethanol extract ameliorated white adipocyte hypertrophy and induced UCP1-positive browning adipocytes in diet-induced obese mice [PMID:29683472]
6.PMID: 41176168 (2025) — Analysis of chemical constituents in Ganoderma tsugae murr. By UPLC-Q-TOF-MS/MS. · Natural product research
7.PMID: 23610080 (2013) — The triterpenoids of Ganoderma tsugae prevent stress-induced myocardial injury in mice. · Molecular nutrition & food research
8.PMID: 34603250 (2021) — Genome of Ganoderma Species Provides Insights Into the Evolution, Conifers Substrate Utilization, and Terpene Synthesis for Ganoderma tsugae. · Frontiers in microbiology
9.PMID: 29415422 (2018) — Importance of a Laccase Gene (Lcc1) in the Development of Ganoderma tsugae. · International journal of molecular sciences
10.PMID: 18951965 (2008) — Ganoderma tsugae extracts inhibit colorectal cancer cell growth via G(2)/M cell cycle arrest. · Journal of ethnopharmacology
12.PMID: 30465897 (2019) — Ganoderma tsugae induced ROS-independent apoptosis and cytoprotective autophagy in human chronic myeloid leukemia cells. · Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association
13.PMID: 40110128 (2025) — Evaluation of in vitro pharmacological activities of medicinal mushrooms in the context of dry eye disease. · Frontiers in pharmacology
14.PMID: 39859979 (2024) — Evaluation of Two Different Treatments for Larch Logs as Substrates to Cultivate Ganoderma tsugae in the Forest. · Life (Basel, Switzerland)
16.PMID: 10785428 (2000) — New lanostanoids of Ganoderma tsugae. · Journal of natural products
17.PMID: 36014587 (2022) — Hepatoprotective Activity of Ethanol Extract of Rice Solid-State Fermentation of Ganoderma tsugae against CCl4-Induced Acute Liver Injury in Mice. · Molecules (Basel, Switzerland)
18.PMID: 31683976 (2019) — Wasted Ganoderma tsugae Derived Chitosans for Smear Layer Removal in Endodontic Treatment. · Polymers
19.PMID: 40022418 (2025) — Acidic polysaccharide from Ganoderma tsugae: Structural characterization and antiatherosclerotic related to macrophage polarization. · Food research international (Ottawa, Ont.)
20.PMID: 12358482 (2002) — Antioxidant properties of several medicinal mushrooms. · Journal of agricultural and food chemistry
21.PMID: 26005143 (2015) — Chemical characteristics and anti-proliferation activities of Ganoderma tsugae polysaccharides. · Carbohydrate polymers
22.PMID: 35390035 (2022) — Ganoderma tsugae prevents cognitive impairment and attenuates oxidative damage in d-galactose-induced aging in the rat brain. · PloS one
23.PMID: 31500366 (2019) — Chinese Herbal Medicine Ganoderma tsugae Displays Potential Anti-Cancer Efficacy on Metastatic Prostate Cancer Cells. · International journal of molecular sciences
24.PMID: 16905232 (2006) — Ganoderma tsugae in vivo modulates Th1/Th2 and macrophage responses in an allergic murine model. · Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association
25.PMID: 32558501 (2020) — Antioxidant Activities of Selected Medicinal Mushroom Submerged Cultivated Mycelia. · International journal of medicinal mushrooms
26.PMID: 1279250 (1992) — Ganoderma tsugae mycelium enhances splenic natural killer cell activity and serum interferon production in mice. · Japanese journal of pharmacology
27.PMID: 26082984 (2015) — Antiproliferative Activities of Hot Water Extracts from Culinary-Medicinal Mushrooms, Ganoderma tsugae and Agrocybe cylindracea (Higher Basidiomycetes) on Cancer Cells. · International journal of medicinal mushrooms
28.PMID: 25406501 (2014) — Preparation of nano/submicrometer Ganoderma tsugae and its mutagenic potencies and cytotoxicity. · Journal of agricultural and food chemistry
29.PMID: 38562486 (2024) — UPLC-ESI-MS/MS-based widely targeted metabolomics reveals differences in metabolite composition among four Ganoderma species. · Frontiers in nutrition
30.PMID: 16399629 (2006) — Ganoderma tsugae supplementation alleviates bronchoalveolar inflammation in an airway sensitization and challenge mouse model. · International immunopharmacology