Guan Zhong (Dryopteris Crassirhizoma) Extract, Rhizome
Cyrtomium, Guan Zhong (Dryopteris Crassirhizoma) Extract, Dried Rhizome ALCOHOL-FREE Liquid Extract, Cyrtomium, Glycerite Herbal Supplement
Common Name : Cyrtomium
Botanic Name : Dryopteris Crassirhizoma
State / Part : Dry / RhizomeForm : Cyrtomium Liquid Drops / Extract
Process : Gentle Low-Heat ExtractionUPC : 840253617255
MPN : CYDCR
SKU : cyrtomium-pharm-nonalcext
Application : For internal use
Availability : In Stock
Cyrtomium (Dryopteris crassirhizoma) rhizome — alcohol-free liquid extract (glycerite). Made in Hawaii, USA with domestic & imported ingredients.
| Ingredients | Guan Zhong (Dryopteris crassirhizoma) dried rhizome. Origin: Russia. |
|---|---|
| Other ingredients | Vegetable glycerin, purified water. |
| Formulated without | Alcohol, gluten, fragrances, or any artificial and natural colors. |
| Suggested use | Shake well. 20–30 drops (about 0.7–1 ml, one full squeeze of the dropper) in 2 oz of water, tea or juice, up to 4 times a day or as directed by your practitioner. Glycerites may also be taken directly. |
| Storage | Do not use if the seal is broken or missing. Store in a cool, dry place. |
| Safety | Keep out of reach of children. If you are pregnant, nursing or taking medication, consult your doctor before use. Discontinue use if any adverse reaction occurs. |
| Large sizes | 32 oz jars may contain some plant material. No returns on 15x4 oz, 32 oz, 2x32 oz, 64 oz and 2 gal options. |
Important Safety Information - Please Read Before Use
This is a potent traditional herb. Use it only under the guidance of a qualified healthcare practitioner. It is not intended for self-treatment.
- Do not take with fatty or oily food, or with oils or fats. Fats can increase the absorption of certain naturally occurring compounds in the rhizome.
- Not to be used during pregnancy, and avoid it while nursing.
- Not for children. Keep out of the reach of children.
- Do not exceed the suggested serving.
- If you take any medication or have any medical condition, consult your physician before use. Do not use if you are allergic to any of the ingredients.
- Keep refrigerated after opening.
| Name | Language | Note |
|---|---|---|
| Khanshar | Arabic | General term for fern used in Unani medicine |
| Mian Ma Guan Zhong | Chinese (Pinyin) | Specific name to distinguish it from other 'Guan Zhong' sources |
| Guan Zhong | Chinese (Pinyin) | Traditional Chinese Medicine (TCM) name for the medicinal rhizome |
| Mien-ma-kuan-chung | Chinese (Wade-Giles) | Older transliteration of the TCM name |
| Cyrtomium Extract | Commercial Name | Commonly used commercial name (else) |
| Male Fern Rhizome Extract | Commercial Name | Commonly used commercial name (else) |
| Dryopteris Crassirhizoma Extract | Commercial Name | Commonly used commercial name (else) |
| Mian Ma Guan Zhong Extract | Commercial Name | Commonly used commercial name (else) |
| Guan Zhong Extract | Commercial Name | Commonly used commercial name (else) |
| Thick-stemmed Wood Fern | English | Literal translation of the species name crassirhizoma |
| Crown Wood Fern | English | Common horticultural and descriptive name |
| Fougère à rhizome épais | French | Literal translation of the thick-rhizomed fern |
| Dicker Wurmfarn | German | Descriptive botanical name |
| Felce maschio dell'Est | Italian | Translates as 'Eastern Male Fern' |
| Nari-oshida | Japanese | Local Japanese varietal name |
| Oshida | Japanese (Romaji) | Common name in Japan |
| Kwanjung-geun | Korean | Refers specifically to the root/rhizome part |
| Gwan-jung | Korean (Romaji) | Standard name in Korean traditional medicine |
| Crassirhizomae Rhizoma | Latin (Pharmacopeia) | Official pharmaceutical name for the dried rhizome |
| Vostochny Muzhskoy Paporotnik | Russian | Means 'Eastern Male Fern' |
| Helecho de rizoma grueso | Spanish | Descriptive common name |
| Sam pat | Thai | Generic Thai term for similar medicinal ferns |
| Quán chúng | Vietnamese | Vietnamese name derived from the Chinese TCM name |
Drawing on decades of botanical expertise, Hawaii Pharm determines the optimal herb-to-menstruum ratio for each specific botanical. This proprietary approach acknowledges that every plant species possesses unique technical characteristics and varying concentrations of natural compounds across harvests.
For Cyrtomium (Dryopteris Crassirhizoma) Dry Rhizome Glycerite, we've perfected a precise extraction process that honors the distinctive profile of the raw material. Our master herbalists analyze each incoming batch and adjust extraction parameters accordingly, ensuring consistent quality despite natural variations in botanical sources. This customized approach reflects our company's accumulated knowledge and dedication to excellence over many years in the industry.
Extraction is performed at the lowest possible temperatures to preserve the maximum amount of bioactive compounds.
The extract is prepared with our signature blend of 40% purified water and 60% vegetable glycerin, creating a stable, alcohol-free liquid extract that preserves the botanical's natural integrity.
No sugar is added to this product. Its mildly sweet taste comes from vegetable glycerin.
- Organoleptic evaluation (color, consistency, aroma)
- FTIR and/or HPTLC spectral analysis for identity confirmation
- Microbiological testing (total plate count, E. coli, coliforms)
- Yeast and mold screening
- Viscosity measurement
- Refractometric analysis
Servings Per Container: 60
† Daily Value (DV) Not Established.
COAs are available upon request for customers with Wholesaler or Practitioner accounts.
To request a COA, please provide your order number and the batch number from the product label.
This policy helps us ensure traceability and maintain high standards of documentation for professional and bulk-use customers.
Each batch is manufactured with care. Best if used within 3 years of the manufacturing date when stored in a cool, dark place.
All Hawaii Pharm products are manufactured in our FDA registered facility in Hawaii, USA, with domestic & imported ingredients, following strict Good Manufacturing Practices (GMP). Our dedication to quality control ensures consistency and purity in every bottle.
We stand behind the quality of our Cyrtomium (Dryopteris Crassirhizoma) Dry Rhizome Glycerite with our satisfaction guarantee. Each bottle contains the pure essence of natural botanical ingredients, expertly extracted without alcohol, preservatives, or synthetic additives.
To maintain optimal potency, store your Cyrtomium (Dryopteris Crassirhizoma) Dry Rhizome Glycerite in a cool, dark, and dry place. When properly stored, this product maintains its quality for up to 4 years from the manufacturing date.
At Hawaii Pharm, quality is our foundation.
Every bottle of our Cyrtomium (Dryopteris Crassirhizoma) Rhizome undergoes rigorous testing and quality control to ensure you receive only the finest botanical extract.
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I am almost finished with 1 of 2 bottles. Can't say at this time how effective it is in helping the body produce SOD. I plan to purchase more and give it least 6 month trial though.
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