{"id":19884,"date":"2020-02-19T15:11:00","date_gmt":"2020-02-19T15:11:00","guid":{"rendered":"https:\/\/www.bensnaturalhealth.com\/blog\/?p=19884"},"modified":"2026-07-29T10:11:32","modified_gmt":"2026-07-29T10:11:32","slug":"mushrooms-for-prostate-cancer","status":"publish","type":"post","link":"https:\/\/www.bensnaturalhealth.com\/blog\/prostate-health\/mushrooms-for-prostate-cancer\/","title":{"rendered":"Can Mushrooms Help Reduce Prostate Cancer Risk?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">The evidence is more specific than most people realize. Studies suggest that men who eat mushrooms regularly may face a meaningfully lower risk of developing prostate cancer, with L-ergothioneine, a potent antioxidant amino acid found in high concentrations in mushrooms, appearing to be a key driver. The findings are promising but not conclusive; no study has definitively proven that mushrooms prevent prostate cancer, and what follows explains exactly where the evidence stands.<\/span><\/p>\n<h2><b>What the Current Research Suggests<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The most cited work in this space is a long-term prospective study published in the <\/span><i><span style=\"font-weight: 400;\">International Journal of Cancer<\/span><\/i><span style=\"font-weight: 400;\">, which followed roughly 36,000 Japanese men across 13 years. Men who ate mushrooms one to two times per week showed an approximately 8% lower risk of prostate cancer compared to men who rarely ate them. Those who ate mushrooms three or more times per week saw a 17% risk reduction, a pattern suggesting the relationship scales with frequency.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Global context matters here. Prostate cancer reached<\/span><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC12133484\/\"> <span style=\"font-weight: 400;\">1.32 million cases in 2021<\/span><\/a><span style=\"font-weight: 400;\"> and is projected to climb to 2.4 million cases annually by 2040, which is why diet-based prevention strategies are attracting serious research attention. Understanding<\/span><a href=\"https:\/\/www.bensnaturalhealth.com\/blog\/prostate-health\/prostate-cancer-risk-factors\/\"> <span style=\"font-weight: 400;\">prostate cancer risk factors<\/span><\/a><span style=\"font-weight: 400;\"> is the starting point for anyone considering preventive steps. Diet is one of the few modifiable factors, and<\/span><a href=\"https:\/\/www.bensnaturalhealth.com\/blog\/prostate-health\/prostate-cancer-prevention\/\"> <span style=\"font-weight: 400;\">prostate cancer prevention<\/span><\/a><span style=\"font-weight: 400;\"> increasingly points toward specific foods rather than general &#8220;eat healthy&#8221; advice.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">That said, this is observational data. The men who ate more mushrooms may also have had other health-protective habits. Association isn&#8217;t causation, and the<\/span><a href=\"https:\/\/www.bensnaturalhealth.com\/blog\/prostate-health\/prostate-cancer\/\"> <span style=\"font-weight: 400;\">full picture of prostate cancer<\/span><\/a><span style=\"font-weight: 400;\"> is considerably more complex. A 2024 paper in <\/span><i><span style=\"font-weight: 400;\">Clinical and Translational Medicine<\/span><\/i><span style=\"font-weight: 400;\"> (<\/span><a href=\"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/ctm2.70048\"><span style=\"font-weight: 400;\">Wang et al.<\/span><\/a><span style=\"font-weight: 400;\">) helps explain the biological plausibility behind these associations, and the<\/span><a href=\"https:\/\/onlinelibrary.wiley.com\/doi\/full\/10.1002\/ctm2.70048\"> <span style=\"font-weight: 400;\">full study text<\/span><\/a><span style=\"font-weight: 400;\"> details the immune-mediated mechanisms.<\/span><\/p>\n<h2><b>Which Mushrooms Have Been Studied<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Research has looked at both common culinary varieties and medicinal species. L-ergothioneine concentrations differ between species, and at least five distinct mushroom varieties carry notably higher levels than white button mushrooms. The<\/span><a href=\"https:\/\/www.transparencymarketresearch.com\/medicinal-mushrooms-market.html\"> <span style=\"font-weight: 400;\">US$7.3 billion medicinal mushrooms market in 2025<\/span><\/a><span style=\"font-weight: 400;\"> reflects just how much commercial interest these compounds have attracted. If you&#8217;re thinking about dietary changes for prostate health, reviewing<\/span><a href=\"https:\/\/www.bensnaturalhealth.com\/blog\/prostate-health\/best-foods-for-prostate\/\"> <span style=\"font-weight: 400;\">foods for prostate health<\/span><\/a><span style=\"font-weight: 400;\"> and<\/span><a href=\"https:\/\/www.bensnaturalhealth.com\/blog\/prostate-health\/10-cancer-fighting-foods\/\"> <span style=\"font-weight: 400;\">cancer-fighting foods<\/span><\/a><span style=\"font-weight: 400;\"> puts mushrooms in useful context alongside other well-studied options.<\/span><\/p>\n<h3><b>White Button Mushrooms<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">White button mushrooms (<\/span><i><span style=\"font-weight: 400;\">Agaricus bisporus<\/span><\/i><span style=\"font-weight: 400;\">), the variety most Americans eat, do show benefit in the research. Their L-ergothioneine levels fall below those of several medicinal species, but they&#8217;re by far the most-studied variety in clinical settings. Researchers at City of Hope National Cancer Center have been running<\/span><a href=\"https:\/\/www.cityofhope.org\/breakthroughs\/phase-2-trial-of-mushrooms-for-prostate-cancer-opens\"> <span style=\"font-weight: 400;\">clinical trials<\/span><\/a><span style=\"font-weight: 400;\"> with white button mushroom extracts in men with prostate cancer, with results covered in the human evidence section below. According to the European Medical Journal,<\/span><a href=\"https:\/\/www.emjreviews.com\/oncology\/news\/white-button-mushrooms-found-to-halt-cancer-progression\/\"> <span style=\"font-weight: 400;\">white button mushrooms halt cancer progression<\/span><\/a><span style=\"font-weight: 400;\"> by activating immune defenses rather than acting directly on cancer cells.<\/span><\/p>\n<h3><b>Shiitake, Maitake, and Reishi Mushrooms<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Three medicinal varieties carry significantly higher L-ergothioneine concentrations than white button mushrooms. Shiitake also contains lentinan, a beta-glucan polysaccharide with well-documented immunomodulatory properties. Maitake contains D-fraction beta-glucans that have been studied for immune support in cancer models. Reishi (<\/span><i><span style=\"font-weight: 400;\">Ganoderma lucidum<\/span><\/i><span style=\"font-weight: 400;\">) contains triterpenoids alongside beta-glucans, a distinct bioactive profile with its own research base. Work on<\/span><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC11239821\/\"> <span style=\"font-weight: 400;\">beta-glucan particles from mushrooms and yeast<\/span><\/a><span style=\"font-weight: 400;\"> confirms that the compound&#8217;s structural characteristics directly shape its biological activity.<\/span><\/p>\n<h2><b>How Mushrooms May Affect Prostate Health<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Two main pathways appear in the literature: antioxidant activity and anti-inflammatory action. L-ergothioneine scavenges reactive oxygen species in prostate tissue and influences sirtuin signaling pathways (SIRT1, SIRT7), which regulate both oxidative stress responses and epigenetic cancer control. That dual mechanism is what makes it biologically interesting, most antioxidants do one or the other, not both.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Other dietary compounds with similar prostate-protective research behind them include<\/span><a href=\"https:\/\/www.bensnaturalhealth.com\/blog\/prostate-health\/quercetin\/\"> <span style=\"font-weight: 400;\">quercetin<\/span><\/a><span style=\"font-weight: 400;\">,<\/span><a href=\"https:\/\/www.bensnaturalhealth.com\/blog\/prostate-health\/ellagic-acid\/\"> <span style=\"font-weight: 400;\">ellagic acid<\/span><\/a><span style=\"font-weight: 400;\">, and<\/span><a href=\"https:\/\/www.bensnaturalhealth.com\/blog\/prostate-health\/turmeric-cancer\/\"> <span style=\"font-weight: 400;\">curcumin from turmeric<\/span><\/a><span style=\"font-weight: 400;\">. Mushrooms aren&#8217;t unique in this space, but the ergothioneine concentration they carry is distinctive.<\/span><\/p>\n<h3><b>Compounds That Show Promise<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">L-ergothioneine (EGT) is a naturally occurring amino acid your body can&#8217;t synthesize on its own, mushrooms are its primary dietary source. In prostate tissue, EGT is thought to reduce DNA oxidative damage and mitigate two specific inflammatory processes: chronic low-grade inflammation driven by reactive oxygen species, and the dysregulated immune-cell activity that can create a tumor-permissive microenvironment. A 2025 review in <\/span><i><span style=\"font-weight: 400;\">Biological Forum<\/span><\/i><span style=\"font-weight: 400;\"> (<\/span><a href=\"https:\/\/www.researchtrend.net\/bfij\/pdf\/Review-on-Anticancer-Activity-of-Mushroom-Derived-Ergothioneine-Jini-Joseph-13.pdf\"><span style=\"font-weight: 400;\">Parvathy &amp; Joseph<\/span><\/a><span style=\"font-weight: 400;\">) and a<\/span><a href=\"https:\/\/www.researchgate.net\/publication\/400476302_Review_on_Anticancer-Activity-of-Mushroom-Derived-Ergothioneine\"> <span style=\"font-weight: 400;\">supporting ResearchGate analysis<\/span><\/a><span style=\"font-weight: 400;\"> both confirm EGT&#8217;s role in sirtuin-regulated epigenetic control. Beta-glucans are the other major compound class; their<\/span><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/40096532\/\"> <span style=\"font-weight: 400;\">potential as a natural frontier<\/span><\/a><span style=\"font-weight: 400;\"> in prostate cancer treatment was explored in a 2025 <\/span><i><span style=\"font-weight: 400;\">International Journal of Medicinal Mushrooms<\/span><\/i><span style=\"font-weight: 400;\"> review, and a<\/span><a href=\"https:\/\/www.researchgate.net\/publication\/384495761_Exploring_Potential_of_Medicinal_Mushroom_derived_b-Glucan_as_a_Natural_Frontier_in_Prostate_Cancer_Treatment\"> <span style=\"font-weight: 400;\">detailed analysis of beta-glucan mechanisms<\/span><\/a><span style=\"font-weight: 400;\"> covers inhibition of cell proliferation and induction of apoptosis in preclinical models. White button mushrooms also contain a conjugated linoleic acid isomer (CLA-9Z11E) that acts as an androgen receptor antagonist, relevant because prostate cancer growth is often androgen-driven.<\/span><\/p>\n<h3><b>What Animal and Lab Studies Reveal<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Preclinical work shows that mushroom extracts inhibit prostate cancer cell growth in lab cultures and slow tumor development in mouse models. These findings are interesting, but they carry a real limitation: lab studies typically use concentrated extracts at doses far exceeding what you&#8217;d get from eating mushrooms. What<\/span><a href=\"https:\/\/trial.medpath.com\/news\/7658eee23f888de4\/white-button-mushroom-extract-shrinks-tumors-and-delays-their-growth-new-atlas\"> <span style=\"font-weight: 400;\">white button mushroom extract does in tumor models<\/span><\/a><span style=\"font-weight: 400;\"> may not translate directly to whole-food consumption. Animal results don&#8217;t automatically predict human outcomes. Researchers at ecancer describe<\/span><a href=\"https:\/\/ecancer.org\/en\/news\/25673-researchers-discover-why-taking-a-mushroom-supplement-slows-or-prevents-prostate-cancer-from-getting-worse\"> <span style=\"font-weight: 400;\">how the supplement slows cancer progression<\/span><\/a><span style=\"font-weight: 400;\"> through immune pathways, a mechanism distinct from direct cytotoxicity. That distinction matters for how you read the data.<\/span><\/p>\n<h2><b>The Strength of Human Evidence<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The evidence hierarchy here runs from observational studies at the base, through small clinical trials, up to an ongoing randomized Phase II trial that hasn&#8217;t yet reported full results. No randomized controlled trial has established a causal link between mushroom consumption and reduced prostate cancer risk. That doesn&#8217;t mean the signal is weak, it means the most rigorous test is still in progress.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Research into supporting nutrients like<\/span><a href=\"https:\/\/www.bensnaturalhealth.com\/blog\/prostate-health\/zinc\/\"> <span style=\"font-weight: 400;\">zinc for prostate health<\/span><\/a><span style=\"font-weight: 400;\"> follows a similar arc: strong mechanistic rationale, solid observational data, and clinical trials refining the picture.<\/span><\/p>\n<h3><b>Epidemiological Studies in Men<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">The 36,000-man cohort study is the anchor finding, but it&#8217;s observational. Participants who ate more mushrooms may have differed in diet quality, exercise habits, smoking status, or any number of other confounders. Global burden data from a<\/span><a href=\"https:\/\/tau.amegroups.org\/article\/view\/138711\/html\"> <span style=\"font-weight: 400;\">2021 prostate cancer analysis<\/span><\/a><span style=\"font-weight: 400;\"> shows incidence patterns that correlate loosely with dietary habits, but population-level correlation isn&#8217;t proof of effect. These studies don&#8217;t prove cause-and-effect, and that distinction matters when making personal health decisions.<\/span><\/p>\n<h3><b>Clinical Trials on Mushroom Supplements<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">The most compelling human evidence comes from City of Hope&#8217;s Phase I and ongoing Phase II trials using white button mushroom tablets. The Phase I trial found a 36% PSA decline with no dose-limiting toxicities after three months of supplementation. The mechanism was immune-mediated: white button mushroom extracts reduced circulating myeloid-derived suppressor cells (MDSCs), reinvigorating T-cell and NK-cell activity against tumor tissue.<\/span><a href=\"https:\/\/medicalxpress.com\/news\/2024-11-mushroom-supplement-prostate-cancer-worse.html\"> <span style=\"font-weight: 400;\">MedicalXpress reporting<\/span><\/a><span style=\"font-weight: 400;\"> and<\/span><a href=\"https:\/\/www.healio.com\/news\/hematology-oncology\/20250121\/mushroom-supplement-may-slow-prostate-cancer-progression\"> <span style=\"font-weight: 400;\">Healio&#8217;s clinical coverage<\/span><\/a><span style=\"font-weight: 400;\"> both detail how MDSC suppression slows tumor progression. The Phase II trial (NCT04519879), listed on<\/span><a href=\"https:\/\/www.centerwatch.com\/clinical-trials\/listings\/NCT04519879\/white-button-mushroom-sup-for-the-reduction-of-psa-in-pts-with-biochemically-rec-or-therapy-naive-fav-risk-prostate-ca\"> <span style=\"font-weight: 400;\">CenterWatch<\/span><\/a><span style=\"font-weight: 400;\">, is enrolling 132 men with recurrent prostate cancer. Results from supplement extracts in this context may not translate directly to whole culinary mushrooms eaten at typical serving sizes.<\/span><\/p>\n<h3><b>What We Still Don&#8217;t Know<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Several important questions remain open. Optimal dosage and consumption frequency haven&#8217;t been established. It&#8217;s unknown how long you&#8217;d need to eat mushrooms regularly before any protective effect builds up. Bioavailability of L-ergothioneine from whole mushrooms versus concentrated extracts differs, but by how much isn&#8217;t known. Demographic variables, your age, family history, and ethnicity, likely modify any risk benefit, but the data isn&#8217;t detailed enough yet to say how. Treat these as active research questions, not settled answers.<\/span><\/p>\n<h2><b>Safety, Interactions, and Who Should Be Cautious<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Culinary mushrooms eaten in normal food quantities are safe for most people. Medicinal mushroom supplements are a different matter. Natural doesn&#8217;t mean risk-free.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Known concerns include immunostimulatory effects: if you&#8217;re on immunosuppressants, after an organ transplant, for example, supplements that activate immune cells could interfere with your medication. Some mushroom supplements may amplify the effects of blood thinners like warfarin. People with autoimmune conditions should speak to a doctor before using medicinal mushroom products. Anyone undergoing active prostate cancer treatment, surgery, radiation, or hormone therapy, should tell their oncologist about any supplement use, since interactions with standard treatments haven&#8217;t been fully studied.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Other prostate-supportive supplements like<\/span><a href=\"https:\/\/www.bensnaturalhealth.com\/blog\/prostate-health\/saw-palmetto\/\"> <span style=\"font-weight: 400;\">saw palmetto<\/span><\/a><span style=\"font-weight: 400;\"> and<\/span><a href=\"https:\/\/www.bensnaturalhealth.com\/blog\/prostate-health\/stinging-nettle\/\"> <span style=\"font-weight: 400;\">stinging nettle<\/span><\/a><span style=\"font-weight: 400;\"> carry their own interaction profiles, which highlights why a thorough conversation with your doctor matters, particularly if you&#8217;re also managing<\/span><a href=\"https:\/\/www.bensnaturalhealth.com\/blog\/prostate-health\/bph\/\"> <span style=\"font-weight: 400;\">benign prostatic hyperplasia (BPH)<\/span><\/a><span style=\"font-weight: 400;\"> alongside cancer risk concerns. A 2025 global burden analysis in<\/span><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC11924780\/\"> <i><span style=\"font-weight: 400;\">PMC<\/span><\/i><\/a><span style=\"font-weight: 400;\"> notes that the men at highest risk for serious prostate cancer outcomes are often on multiple medications, making supplement-drug interactions a real clinical concern.<\/span><\/p>\n<h2><b>Practical Steps and When to Talk to Your Doctor<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Mushrooms shouldn&#8217;t replace medical care or a well-balanced diet; they&#8217;re one component of a broader approach to prostate health. Don&#8217;t assume a serving of shiitake stir-fry delivers the same biological dose used in a clinical trial.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Practically speaking, adding mushrooms to your regular diet is low-risk and worthwhile. They fit naturally into an<\/span><a href=\"https:\/\/www.bensnaturalhealth.com\/blog\/prostate-health\/enlarged-prostate-diet\/\"> <span style=\"font-weight: 400;\">enlarged prostate diet<\/span><\/a><span style=\"font-weight: 400;\"> built around vegetables, fish, and anti-inflammatory foods. Pairing them with other researched options,<\/span><a href=\"https:\/\/www.bensnaturalhealth.com\/blog\/prostate-health\/green-tea-prostate\/\"> <span style=\"font-weight: 400;\">green tea<\/span><\/a><span style=\"font-weight: 400;\"> and<\/span><a href=\"https:\/\/www.bensnaturalhealth.com\/blog\/prostate-health\/lycopene-prostate\/\"> <span style=\"font-weight: 400;\">lycopene-rich foods<\/span><\/a><span style=\"font-weight: 400;\">, builds a diet with multiple studied mechanisms working in concert.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">See a doctor before starting any mushroom supplement if you: are currently being treated for prostate cancer, take immunosuppressants or anticoagulants, have an autoimmune condition, or are preparing for surgery. And if you&#8217;re experiencing urinary changes, pelvic discomfort, or blood in urine, see a doctor before adjusting your diet at all; those symptoms need evaluation first.<\/span><\/p>\n<h2><b>Frequently Asked Questions<\/b><\/h2>\n<h3><b>Can you take mushroom supplements alongside prostate medications?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Check with your doctor first. Some mushroom supplements may interact with blood thinners, immunosuppressants, or hormone therapies used in prostate cancer treatment. Disclosing all supplements to your prescribing physician is standard good practice.<\/span><\/p>\n<h3><b>How much mushroom do you need to eat or take to potentially see a benefit?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">The observational data associated one to two servings per week with an 8% risk reduction and three or more servings per week with a 17% reduction. Supplement dosing hasn&#8217;t been standardized in clinical trials yet, so no specific daily amount can be recommended at this point.<\/span><\/p>\n<h3><b>Are fresh mushrooms as effective as supplements, or do you need to take a pill?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">The clinical trials showing PSA reduction and immune effects used concentrated tablet extracts, which deliver a controlled dose of bioactive compounds. Whole culinary mushrooms contain the same compounds but at lower, more variable concentrations. Both may support prostate health, but they likely operate at different potencies, and the research base is considerably stronger for extracts.<\/span><\/p>\n<h2><b>Conclusion<\/b><\/h2>\n<h3><b>What the Current Research Suggests<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">The question of whether mushrooms can help reduce prostate cancer risk has a genuinely encouraging but still-evolving answer. Observational studies show consistent associations, L-ergothioneine and beta-glucans provide a credible biological rationale, and City of Hope&#8217;s clinical trials point to real immune-mediated effects on PSA and tumor progression. But no RCT has yet proven that eating mushrooms prevents prostate cancer. The honest takeaway: adding mushrooms to a prostate-healthy diet makes sense, pursuing medicinal mushroom supplements warrants a conversation with your doctor, and this remains an active area of research worth watching.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The evidence is more specific than most people realize. Studies suggest that men who eat mushrooms regularly may face a meaningfully lower risk of developing prostate cancer, with L-ergothioneine, a potent antioxidant amino acid found in high concentrations in mushrooms, appearing to be a key driver. The findings are promising but not conclusive; no study [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":20297,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[20],"health_topic":[129,124],"class_list":["post-19884","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-prostate-cancer","health_topic-prostate-health-diet","health_topic-prostate-health"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Can Mushrooms Help Reduce Prostate Cancer Risk?<\/title>\n<meta name=\"description\" content=\"Can mushrooms help reduce prostate cancer risk? 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