What are the benefits of Meshima mushroom?

Meshima mushroom (Phellinus linteus) is known for supporting Immune Modulation, Anti-Cancer Research, Anti-Inflammatory, Antioxidant Protection, and Gut Health. These benefits are supported by extensive scientific research. The primary bioactive compounds responsible for these effects are Hispolon, Polysaccharides, Interfungins, Protocatechualdehyde, which have been studied in both preclinical and clinical settings. Meshima has been used in traditional medicine systems for centuries and is now one of the most popular functional mushroom supplements worldwide. The mushroom is available in multiple supplement formats including capsules, powders, tinctures, and gummies. For best results, look for products using fruiting body extracts with verified beta-glucan content and third-party testing. Most clinical studies use dosages of 1,000 to 3,000 mg per day over periods of 8 to 12 weeks to assess benefits. Consistency is important, as functional mushroom compounds build up effects over time with regular daily use.

What are the active compounds in Meshima?

The primary bioactive compounds in Meshima (Phellinus linteus) are Hispolon, Polysaccharides, Interfungins, Protocatechualdehyde. These compounds are responsible for the mushroom's therapeutic properties and have been the focus of scientific research. Beta-glucans, found in the cell walls of all medicinal mushrooms, activate immune cells like macrophages and natural killer cells through receptors called Dectin-1 and complement receptor 3. In addition to beta-glucans, Meshima contains species-specific compounds such as Hispolon and Polysaccharides and Interfungins and Protocatechualdehyde, which contribute to its unique therapeutic profile. The concentration of these compounds varies significantly based on the part of the mushroom used (fruiting body versus mycelium), the extraction method (hot water, alcohol, or dual extraction), and growing conditions. Fruiting body extracts generally contain higher concentrations of beta-glucans. When choosing a Meshima supplement, look for products that quantify beta-glucan content on the label, with 20% or higher considered good quality.

How much Meshima should I take?

Typical dosages of Meshima range from 500 mg to 3,000 mg per day, depending on the form (whole mushroom, extract, or dual-extract). Most studies use 1,000–2,000 mg daily. Always start with a lower dose and consult a healthcare provider, especially if you take medications or have health conditions. For Phellinus linteus extract, recommended dosages range from 1000 to 3000 mg per day. When using concentrated extracts (such as 8:1 or 10:1 ratios), lower milligram amounts may be sufficient since each milligram represents a larger quantity of raw mushroom material. Take Meshima supplements with food for better absorption, particularly for fat-soluble compounds. Start with the lower end of the dosage range for the first 1–2 weeks to assess tolerance, then gradually increase if needed. Clinical trials typically assess benefits after 8–12 weeks of consistent daily use, so plan on at least this duration before evaluating effectiveness.

Is Meshima mushroom safe?

Meshima (Phellinus linteus) is generally considered safe for most healthy adults when taken at recommended doses. The research level for this mushroom is rated as extensive. Side effects are rare but may include mild digestive discomfort, which typically resolves within the first week of use. Meshima human safety data is still limited compared with mainstream culinary mushrooms. Immune-related contexts need clinician review. Specific contraindications include: Active cancer treatment without clinician approval; Immunosuppressant medications; Autoimmune disease; Pregnancy or nursing. Functional mushroom supplements have a long history of use in traditional medicine systems, including Traditional Chinese Medicine and Japanese kampo medicine. Quality and safety also depend on the product itself — supplements without third-party testing may contain contaminants like heavy metals or undisclosed fillers. Always choose products with a current Certificate of Analysis (COA) from an independent laboratory to verify both safety and accurate labeling of contents.

Before adding Meshima to your routine

This is a legal, non-psychoactive functional mushroom guide. Talk with your clinician first if you take blood thinners, diabetes medications, immune-modulating drugs, or are in cancer treatment.

Best supplement form

Phellinus linteus hot-water extract with beta-glucan testing

Compare products that match the form most often recommended for Meshima.

Evidence summary

Extensive research

2 cited references reviewed for the Meshima guide.

For healthy aging

Immune Modulation, Anti-Cancer Research, Anti-Inflammatory

See how Meshima compares with Reishi, Chaga, and Turkey Tail for older adults.

Research Level: Extensive Immune defense

Meshima.

Phellinus linteus

Editorially reviewed by ShrooMap Editorial Team

Phellinus linteus is a perennial polypore fungus of the family Hymenochaetaceae, forming large, woody, hoof-shaped basidiocarps on the trunks of living and dead hardwood trees, particularly mulberry (Morus spp.). The fruiting body is characterized by a dark brown to black upper surface with concentric zonation, a golden-yellow to brown pore surface, and extremely hard, woody tissue. Known as Meshima (women's island) in Japan, Sang-Hwang in Korea, and Song Gen in China, it has been used in East Asian traditional medicine for centuries. P. linteus has become one of the most intensively studied medicinal mushrooms in East Asian oncology, with over 100 published studies documenting its immunomodulatory, anti-tumor, anti-inflammatory, and antioxidant properties, primarily attributed to hispolon (a polyphenol), proteoglycans, and high-molecular-weight polysaccharides.

#23

Popularity Rank

Extensive

Research Level

References

Key Compounds

Main Compound

Hispolon

ShrooMap Editorial Team

Independent Research Review · Last Reviewed May 3, 2026

Key Takeaway

Meshima (Phellinus linteus) is a functional mushroom with a extensive level of scientific research supporting its use. Its primary bioactive compounds - Hispolon, Polysaccharides, Interfungins, and 1 others - have been studied for benefits including immune modulation, anti-cancer research, anti-inflammatory, antioxidant protection. Multiple human clinical trials have investigated Meshima, making it one of the more evidence-backed functional mushrooms available. Meshima is ranked #23 in popularity among functional mushroom species, with 2 cited research references in our database. The most commonly recommended form is phellinus linteus hot-water extract with beta-glucan testing. Typical supplemental dosages range from 500 mg to 3,000 mg per day depending on extract concentration and intended use.

Buyer decision guide

Meshima evidence, forms, and safety

Use this section to compare evidence strength, active compounds, researched forms, and safety limits for meshima.

Evidence snapshot

Phellinus linteus contains protein-bound polysaccharides studied for immunomodulatory effects. Human data show increased NK cell activity and safety in oral consumption. Animal models demonstrate tumor growth inhibition and reduced metastasis, but human cancer efficacy remains limited to three case reports. Anti-inflammatory and antioxidant effects are documented in preclinical research.

Active-compound check

Polysaccharide-protein complexes (particularly beta-glucans) are the primary bioactive constituents. Hispolon and furopyranone compounds have been isolated and studied for anti-inflammatory and protein-glycation inhibition properties. These compounds drive most immunomodulatory activity in published studies. Extraction method and source material (fruiting body vs. mycelium) affect compound concentration and bioavailability.

Best researched form

Water-soluble polysaccharide extracts from fruiting bodies and mycelium are the most studied forms in published research. Aqueous extraction preserves polysaccharide integrity. One published clinical trial used oral mycelium extract in healthy volunteers. Standardization to polysaccharide content is not universally reported across commercial products, affecting comparability across studies.

Safety limits

One controlled human trial found no adverse effects on liver or renal function with oral P. linteus extract in healthy individuals. Long-term safety data in clinical populations remain limited. No established maximum daily dose exists in peer-reviewed literature. Individuals on immunosuppressive medications or with autoimmune conditions should consult healthcare providers before use due to immune-stimulating properties.

SCIENCE OVERVIEW.

Evidence Grade: A

Meshima has been extensively studied in both preclinical and clinical research. Multiple human trials have investigated its potential benefits.

Key Insight

Meshima is a dark, woody bracket fungus that grows on mulberry trees and has become one of the most intensively researched medicinal mushrooms in the world, particularly in Japan and Korea. Its...

Traditional Use

Meshima has been used in traditional medicine systems for centuries, particularly in Traditional Chinese Medicine (TCM) and other Asian healing practices.

Historical Context: Traditional use does not guarantee efficacy or safety. Modern research is ongoing to validate traditional claims.

Meshima is a dark, woody bracket fungus that grows on mulberry trees and has become one of the most intensively researched medicinal mushrooms in the world, particularly in Japan and Korea. Its Japanese name, Meshima, means "women's island" — a reference to Meshima Island in Nagasaki Prefecture where the mushroom was traditionally harvested. In Korea, it is called Sang-Hwang and has been used for centuries as a traditional remedy for various ailments, particularly those related to immune function.

What sets Meshima apart from other medicinal mushrooms is the depth and focus of its research base. Over 100 published studies have investigated its properties, with particular attention to its immunomodulatory and anti-cancer potential. Korean and Japanese researchers have documented its ability to activate multiple arms of the immune system — macrophages, natural killer cells, T-cells, and dendritic cells — making it one of the most potent immune-stimulating mushrooms studied to date. Memorial Sloan Kettering Cancer Center maintains a dedicated monograph on Phellinus linteus, acknowledging the significant body of preclinical evidence.

Traditionally, Meshima was prized in Korean and Japanese folk medicine as a tonic for women's health and general vitality. Korean practitioners used it to support patients undergoing conventional medical treatments, and it remains widely used as a complementary health approach in East Asian countries. The mushroom's long history of safe use in traditional medicine has contributed to its acceptance in modern integrative health practices.

Meshima supplements are available primarily in capsule and extract form. Mushroom Wisdom (a well-known medicinal mushroom brand) sells dedicated Meshima products, and FreshCap lists Phellinus as one of its key mushroom species. The extract is also found in some premium multi-mushroom immune support formulas. Typical dosages range from 500 mg to 2,000 mg per day of standardized extract.

When selecting a Meshima supplement, look for products standardized to polysaccharide or beta-glucan content, as these are the primary bioactive compounds. Hot water extraction is the standard method for Meshima, as its woody fruiting body requires intensive processing to release the beneficial compounds. Products from reputable brands with third-party testing are recommended, as the mushroom's relative obscurity in Western markets means quality can vary significantly.

Meshima combines well with other immune-supporting mushrooms like turkey tail, maitake, and reishi for a comprehensive immune support protocol. Some practitioners recommend it alongside conventional health approaches, though it is important to consult with a healthcare provider before combining any supplement with medical treatments. While Meshima may not yet have the mainstream recognition of lion's mane or reishi, its research profile makes it one of the most scientifically compelling medicinal mushrooms available.