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Prepared Rehmannia Root Tincture, Shu Di Huang

Shu Di Huang Liquid Extract, Shu Di Huang, Rehmannia (Rehmannia Glutinosa) Prepared Root Tincture
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Common Name : Shu Di Huang

Botanic Name : Rehmannia Glutinosa

State / Part : Dry / Prepared Root

Form : Shu Di Huang Liquid Drops / Tincture

Process : Cold Extraction
UPC : 840253649027
MPN : SDRGP
SKU : shu-di-huang-alc-extract
Application : For internal use
Availability : In Stock
- Please Select -
2 Oz $22.95
4 Oz $38.95
2x2 Oz $39.95
2x4 Oz $69.95
4x4 Oz $119.95
32 Oz $189.95
64 Oz $279.95
2x32 Oz $289.95
20x4 Oz $449.95
2 Gal $799.95
$22.95
Prefer alcohol-free? Try our Shu Di Huang Prepared Root Alcohol-Free Glycerite Gan Di Huang (Rehmannia glutinosa) Every extract and blend we make from this plant

Shu Di Huang (Rehmannia glutinosa) prepared root — full-strength alcohol-based liquid extract (tincture). Made in Hawaii, USA with domestic & imported ingredients.

Full strength Organic or pharmacy-grade alcohol, purified water, vegetable glycerin
Ethically sourced Wild-harvested or cultivated Rehmannia glutinosa prepared root
Clean formula Formulated without gluten, fragrances, or any artificial and natural colors
Classic extraction Herb-specific standards, small batches
Made in Hawaii, USA With domestic & imported ingredients, FDA-registered facility
Easy to dose 20–30 drops, up to 4 times a day
PRODUCT DETAILS
IngredientsShu Di Huang, Rehmannia (Rehmannia Glutinosa) Dried Prepared Root Powder.
Other ingredientsOrganic or pharmacy-grade alcohol, purified water, vegetable glycerin.
Formulated withoutGluten, fragrances, or any artificial and natural colors.
Suggested useShake 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. Tinctures may also be taken directly.
StorageDo not use if the seal is broken or missing. Store in a cool, dry place.
SafetyKeep 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. Excessive consumption may impair the ability to drive or operate machinery.
Large sizes32 oz jars may contain some plant material. No returns on 15x4 oz, 32 oz, 2x32 oz, 64 oz and 2 gal options.
Shu Di Huang (Rehmannia Glutinosa) also known as
Name Language Note
Rehmania Arabic Transliterated name used in modern Middle Eastern herbalism
Shu Di Chinese (Pinyin) Common shorthand name in TCM
Hei Di Huang Chinese (Pinyin) Meaning 'Black Earth Yellow', referring to the color after processing
Rehmannia Glutinosa Extract Commercial Name Commonly used commercial name in English-speaking countries
Prepared Rehmannia Root Extract Commercial Name Commonly used commercial name in English-speaking countries
Shu Di Huang Extract Commercial Name Commonly used commercial name in English-speaking countries
Rehmannia Extract Commercial Name Commonly used commercial name in English-speaking countries
Cooked Rehmannia Root English Reference to the steaming and wine-braising process
Steamed Rehmannia English Refers to the traditional processing method
Prepared Chinese Foxglove English Common name for the processed root
Racine de Rehmannia préparée French Common herbal trade name
Präparierte Rehmannienwurzel German Refers specifically to the steamed root
Rehmania Hindi Phonetic use in contemporary Ayurvedic research
Akar Rehmannia (matang) Indonesian Literally 'Matured/Cooked Rehmannia Root'
Radice di Rehmannia preparata Italian Common herbalist designation
Jukujio Japanese (Romaji) Used in Kampo (Japanese traditional medicine)
Suk-ji-hwang Korean Standard name in Traditional Korean Medicine (TKM)
Rehmannia chinensis Latin Synonym Older botanical classification
Digitalis glutinosa Latin Synonym Historical botanical synonym
Rehmannia glutinosa praeparata Pharmaceutical Latin Standard designation in pharmacopoeias
Khm-di-khuan Russian (Transliteration) Used in Russian botanical and TCM texts
Dedalera de China preparada Spanish Literally 'Prepared Chinese Thimble' (Foxglove)
Di-huang Thai Phonetic loan from Chinese used in local clinics
Thục địa Vietnamese Common name in Southern traditional medicine
Frequently Asked Questions about Shu Di Huang Extract
What is Prepared Rehmannia Root (Shu Di Huang) extract?
Prepared Rehmannia root extract is a dietary supplement made from the prepared root of Rehmannia glutinosa, a plant of the family Orobanchaceae known in English as Chinese foxglove. In traditional Chinese herbalism this prepared root is called Shu Di Huang, and in pharmacy references it appears as Radix Rehmanniae Praeparata; it is the root that has been repeatedly steamed until dark, soft and sticky. Our extract is made specifically from this prepared root and is offered in two forms: a traditional alcohol-based tincture and an alcohol-free glycerite, each prepared from ethically sourced raw material. This is a whole-root liquid extract that carries the root's natural spectrum of constituents - it is not an isolated single-compound product such as catalpol. We label the product by its botanical name and preparation so it is clear this is prepared Rehmannia, distinct from the raw root and from other plants called foxglove.
What is the difference between the tincture and alcohol-free versions?
Both are liquid extracts of the same prepared Rehmannia glutinosa root; only the solvent differs. The tincture uses a traditional blend of vegetable glycerine, alcohol and water. The alcohol-free version is a glycerite made with vegetable glycerin and crystal-clear water, which suits those who prefer to avoid alcohol. Choose the tincture if you prefer a classic alcohol-extracted format with a longer shelf life; choose the glycerite if you prefer no alcohol.
Is this prepared or raw rehmannia, and is it real foxglove?
It is the prepared root, and it is not the poisonous foxglove. In traditional Chinese herbalism the same Rehmannia glutinosa root is used in two different ways: the raw, unprocessed root is a separate herb called Sheng Di Huang (raw rehmannia, or Di Huang), while the root that has been repeatedly steamed until dark and sticky is Shu Di Huang - and Shu Di Huang, the prepared root, is what this product is. They are treated as distinct preparations, so this is not the same as a raw rehmannia product. Rehmannia is also sometimes called Chinese foxglove because of its flowers, but it is not the true foxglove (Digitalis purpurea or Digitalis lanata), the garden plant used to make heart drugs; Rehmannia is a different plant and does not contain those cardiac compounds. And it is a whole-root extract, not an isolated constituent such as catalpol. We label the product clearly so there is no confusion between prepared and raw rehmannia, or between Rehmannia and true foxglove.
How do I use Prepared Rehmannia Root liquid extract?
Shake well before use. Use the number of drops and the frequency shown on the label, in a little water, tea or juice, or as directed by your practitioner. Drink the entire contents.
Is Prepared Rehmannia Root extract right for everyone? Safety and storage.
Prepared Rehmannia is a rich, cloying herb that some people find hard to digest, so those with a sensitive or weak digestive system may notice bloating, poor appetite, or loose stools; it is best not to exceed the suggested serving size. It may also modestly affect blood sugar, so if you take medication that lowers blood sugar, monitor accordingly and speak with a practitioner. It is best avoided during pregnancy and nursing unless supervised by a qualified practitioner. If you take any prescription medication or are managing a health condition, consult a practitioner before use. Keep out of reach of children. Store this tincture in a cool, dark place. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Where is this product made?
Made in the USA by Hawaii Pharm LLC, Honolulu, HI, with domestic & imported ingredients.
What is your return policy?
We offer a 30-day return policy. Returns are free and accepted by mail.
How long does shipping take?
U.S. delivery takes 1 to 5 business days by USPS Priority Mail, UPS or FedEx; USPS Ground Advantage can take 10+ days.
⚠️ 64 fl.oz plastic containers can leak a little during transportation - this is not subject to refund or replacement!

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ETHICALLY SOURCED, NATURAL INGREDIENTS
Our Shu Di Huang (Rehmannia Glutinosa) Prepared Root is selected from regions with optimal growing conditions to support a high concentration of active constituents. We work only with trusted suppliers and focus on sourcing clean, well-preserved botanical material suitable for high-quality liquid extraction.

As a solvent, we use alcohol to preserve the integrity of the extract and support a clean extraction process.
To verify botanical identity and ensure consistency, all raw materials are tested in our laboratory using established analytical techniques. These include High-Performance Thin-Layer Chromatography (HPTLC) for plant authentication and fingerprinting, or Fourier-Transform Infrared Spectroscopy (FTIR) and other in-house methods. Our approach is guided by relevant standards such as those of the USP and Ph. Eur. and cGLP, allowing us to maintain rigorous quality control, ensuring the material meets our specifications for identity, purity and composition.
METICULOUS EXTRACT PREPARATION
Hawaii Pharm determines the optimal herb-to-menstruum ratio for each botanical. For alcohol-based extracts, we use a carefully balanced alcohol blend to ensure maximum extraction of active compounds while preserving the plant's natural integrity.
Our master herbalists analyze each batch and adjust extraction parameters as needed, ensuring consistent quality despite natural variations in botanical sources.
The result is a potent, stable liquid extract that captures the full spectrum of the botanical's benefits.
COMPREHENSIVE LABORATORY TESTING
Every batch undergoes multiple quality assurance tests including:
  • 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
  • Alcohol content verification
  • Viscosity measurement
  • Refractometric analysis
SUPPLEMENT FACT SHEETS
Supplement Facts
Serving Size: 1 ml
Servings Per Container: 60
Amount Per Serving
% DV
Shu Di Huang (Rehmannia Glutinosa) Dry Prepared Root extract 983 mg R
†
† Daily Value (DV) Not Established.
CERTIFICATE OF ANALYSIS

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.

FDA Registered Facility

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.

Our Quality Guarantee

We stand behind the quality of our Shu Di Huang (Rehmannia Glutinosa) Dry Prepared Root Tincture with our satisfaction guarantee. Each bottle contains natural botanical ingredients, expertly extracted without preservatives or synthetic additives.

Storage Recommendations

To maintain optimal potency, store your Shu Di Huang (Rehmannia Glutinosa) Dry Prepared Root Tincture in a cool, dark, and dry place. When properly stored, this product retains its quality for at least 6 years from the manufacturing date.

At Hawaii Pharm, quality is our foundation.
Every bottle of our Shu Di Huang (Rehmannia Glutinosa) Dry Prepared Root Tincture undergoes rigorous testing and quality control to ensure you receive only the finest botanical extract.

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* These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.
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