
Nammex is a company that provides organic mushroom extracts. The company was founded by Jeff Chilton in 1989, who also authored the book The Mushroom Cultivator. Chilton has over 40 years of experience in mushroom growing and worked closely with Chinese producers to ensure quality. Nammex's products are grown in natural environmental conditions and are subject to strict requirements for cultivation tracing. The company offers a range of mushroom extracts, including Lion's Mane, Cordyceps, Reishi, Chaga, Turkey Tail, Shiitake, Maitake, Tremella, and Poria, among others. These mushrooms are processed into fine powders suitable for encapsulation or beverages. Nammex's mushrooms are cultivated and naturally grown as nature intended, providing benefits to consumers. However, it is important to distinguish between mushroom products and mycelium products, as some companies mislabel mycelium products as mushrooms.
| Characteristics | Values |
|---|---|
| Type of mushrooms | Lion's Mane, Cordyceps, Reishi, Chaga, Turkey Tail, Shiitake, Maitake, Tremella, Poria, Phellinus, Oyster |
| Form | Fine powder |
| Uses | Encapsulation or beverages |
| Cultivation | Organically cultivated and naturally grown |
| Location | Zhejiang province, China |
| Founder | Jeff Chilton |
| Year founded | 1989 |
| Parent company | Gaia Herbs |
| Testing | All products are tested twice and must meet industry standards |
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What You'll Learn
- Nammex provides organically cultivated and naturally grown mushrooms
- The company was founded by Jeff Chilton, a commercial mushroom grower and author of 'The Mushroom Cultivator'
- Nammex works with Chinese producers to ensure quality and rigorous testing measures
- Their mushrooms are grown in natural environmental conditions, with plenty of light and fresh water
- Nammex pioneered testing of mushroom extracts and guarantees active compounds verified by scientific analysis

Nammex provides organically cultivated and naturally grown mushrooms
Nammex's base in Zhejiang province is the birthplace of Shiitake mushroom cultivation, which was brought into cultivation from the wild over 800 years ago. The company's mushrooms are grown in natural environmental conditions, with plenty of natural light and fresh water, and practices that mimic the preferred substrates of these mushrooms in the wild. All species are organically grown and subject to strict requirements for cultivation tracing the quality parameters with analysis from the farm to the final product.
Nammex offers a range of mushroom extracts, including Lion's Mane, Cordyceps, Reishi, Chaga, Turkey Tail, Shiitake, Maitake, Tremella, Poria, Phellinus, and Oyster mushrooms. These mushrooms are processed by hot water extraction into fine powders suitable for encapsulation or beverages.
Nammex guarantees active compounds verified by scientific analysis and has pioneered the testing of mushroom extracts, setting industry standards. The company's mushrooms are cultivated on nutritious natural substrates, producing a natural product that meets consumer demands for whole herb, organic, and naturally grown ingredients. Nammex's analytical program enables manufacturers to upgrade their product offerings and ensure that labelling and contents meet their brand's high standards.
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The company was founded by Jeff Chilton, a commercial mushroom grower and author of 'The Mushroom Cultivator'
Nammex was founded by Jeff Chilton in 1989. Chilton is a commercial mushroom grower and the author of 'The Mushroom Cultivator', a classic book on mushroom cultivation. His journey in the mushroom industry began in 1973 at Ostrom Mushroom Farms in Olympia, Washington. There, he played a role in pioneering specialty mushrooms alongside Dr. Takashi Urayama, a Japanese scientist leading an R&D program. In 1989, Chilton founded Nammex, which became the leading supplier of functional organic mushroom ingredients to the supplement, nutraceutical, and food and beverage industries.
Throughout his career, Chilton has focused on quality and developing testing methods to identify and measure the medicinal compounds in mushrooms. His expertise in mushroom science, cultivation, and quality control has helped bring greater knowledge and integrity to the functional mushroom product category. Nammex's mushrooms are grown in natural environmental conditions, with plenty of natural light and fresh water. Practices using wood logs and sawdust mimic the preferred substrates of these mushrooms in the wild. All their species are organically grown and subject to strict requirements for cultivation tracing the quality parameters with analysis from the farm to the processing and finished products.
In the 1990s, Chilton travelled extensively in China, attending conferences and visiting mushroom research institutes. He worked closely with Chinese producers to ensure quality and developed rigorous testing measures to accurately portray mushroom identity and beneficial compounds. In 1997, he organized the first organic certification workshop in China for mushroom growers, contracting with the OCIA. Nammex continues to work closely with growers to ensure that their products are grown in proper conditions without the use of any agricultural chemicals.
Nammex has pioneered mushroom extracts for the health and wellness industry, becoming the premier supplier of certified organic mushroom extracts. With over 40 years of growing experience, they guarantee safe and effective products. Their research identifies key active compounds, ensuring potency through scientific analysis. Nammex provides a full range of organic mushroom powders and extracts for wholesale distribution, meeting Good Manufacturing Practices. Their products include Lion's Mane, Reishi, Chaga, Turkey Tail, Shiitake, Maitake, Tremella, Poria, Phellinus, and Oyster mushrooms.
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Nammex works with Chinese producers to ensure quality and rigorous testing measures
Nammex was founded by Jeff Chilton in 1989, following a career as a commercial mushroom grower and author of the book 'The Mushroom Cultivator'. Throughout the 1990s, Chilton travelled extensively in China, recognising the country's tradition, research, reliable supply chain, and sustainable cultivation methods as a logical source of high-quality functional mushrooms.
Chilton then collaborated closely with Chinese producers to ensure quality and developed rigorous testing measures to accurately identify mushroom species and beneficial compounds. In 1997, Chilton organised the first organic certification workshop in China for mushroom growers in partnership with the OCIA. Nammex continues to work closely with growers to ensure that their mushrooms are grown in proper conditions without the use of agricultural chemicals. All Nammex mushrooms are grown in natural environmental conditions, with plenty of natural light and fresh water, and practices that mimic the preferred substrates of these mushrooms in the wild.
Nammex has pioneered the testing of mushroom extracts and continues to set industry standards. They guarantee active compounds verified by scientific analysis. All products are tested twice and cannot be sold unless they meet industry standards. Nammex has developed a fingerprint for product evaluation based on a dried mushroom, as this stage of the basidiomycete contains the greatest concentration of beneficial compounds. These analytical methods can be used to test all parts of the basidiomycete and identify key compounds such as beta-D-glucans, triterpenoids, and ergosterol.
Nammex's base in Zhejiang province is the birthplace of Shiitake mushroom cultivation, which was first brought into cultivation over 800 years ago. The Qingyuan Mountain region is recognised by the FAO as one of China's key regions of global significance for biodiversity. Nammex celebrates the role of mushrooms as nature's premier recyclers and carbon-capturing organisms, working alongside plants.
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Their mushrooms are grown in natural environmental conditions, with plenty of light and fresh water
Nammex is a wholesaler of organic mushroom extract ingredients to supplement companies. The company was founded by Jeff Chilton, a commercial mushroom grower and author of the book 'The Mushroom Cultivator'. Chilton has over 40 years of experience in mushroom growing and was one of the first to bring mushroom extracts to the North American market.
Nammex's base is in Zhejiang province, China, which is known as the birthplace of Shiitake mushroom cultivation. The company's mushrooms are grown in natural environmental conditions, with plenty of natural light and fresh water. Their farming practices use wood logs and sawdust to mimic the preferred substrates of these mushrooms in the wild. All Nammex species are organically grown and cultivated as nature intended, without the use of any agricultural chemicals.
Nammex offers a range of mushroom extracts, including Lion's Mane, Cordyceps, Reishi, Chaga, Turkey Tail, Shiitake, Maitake, Tremella, and Poria. These mushrooms are processed by hot water extraction into fine powders suitable for encapsulation or beverages. Some extracts, like Reishi, are also extracted with alcohol.
Nammex's mushrooms are cultivated on nutritious natural substrates, resulting in a natural product that aligns with consumers seeking whole herb, organic, and naturally grown ingredients. The company has developed rigorous testing measures to ensure the accurate portrayal of mushroom identity and beneficial compounds. Their products are tested twice and will not be sold unless they meet industry standards.
Nammex's commitment to natural cultivation methods and strict quality control sets them apart in the functional mushroom marketplace, where some products may mislead consumers by containing primarily mycelium (the root system of the mushroom) grown on grain substrates rather than actual mushrooms.
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Nammex pioneered testing of mushroom extracts and guarantees active compounds verified by scientific analysis
Nammex, the leading supplier of organic mushroom extract ingredients to supplement companies, was founded by Jeff Chilton in 1989. Chilton, who had an established career as a commercial mushroom grower, travelled extensively in China during the 1990s, attending conferences and visiting mushroom research institutes. He then worked closely with Chinese producers to ensure quality and developed rigorous testing measures to accurately identify mushroom identity and beneficial compounds.
In 1996, Chilton organised the first organic mushroom growers' workshop in China. In 1997, contracting with the OCIA, he organised the country's first organic certification workshop for mushroom growers. Nammex's base in Zhejiang province is the birthplace of Shiitake mushroom cultivation, the first species brought into cultivation from the wild over 800 years ago. The company's mushrooms are grown in natural environmental conditions, with plenty of natural light and fresh water, and practices using wood logs and sawdust that mimic the preferred substrates of these mushrooms in the wild. All Nammex species are organically grown and subject to strict requirements for cultivation tracing the quality parameters with analysis from the farm to the processing and finished products.
Nammex does not release certificates of analysis (COAs) from third-party analyses of its products. However, all its products are tested twice and cannot be sold unless they meet industry standards.
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Frequently asked questions
Yes, Nammex provides real, organically cultivated, and naturally grown mushrooms.
Nammex provides a variety of mushrooms, including Lion's Mane, Cordyceps, Reishi, Chaga, Turkey Tail, Shiitake, Maitake, Tremella, Poria, Phellinus, and Oyster mushrooms.
Nammex mushrooms are grown in natural environmental conditions, with plenty of natural light and fresh water. Practices using wood logs and sawdust mimic the preferred substrates of these mushrooms in the wild.
Yes, Nammex works closely with growers and Chinese producers to ensure quality and sustainability. They have also developed rigorous testing measures to accurately portray mushroom identity and beneficial compounds.
Yes, Nammex products are 100% naturally produced mushrooms. Many other mushroom products on the market are primarily grain-based or mycelium cultured, which have lower potency and fewer medicinal compounds.

























