Quercetin Dihydrate Powder Manufacturer & Bulk Supplier

95% Quercetin Dihydrate Powder for Supplement Manufacturers

As a botanical ingredient supplier, Gold Herb provides standardized Quercetin Dihydrate Powder for companies developing dietary supplements and functional nutrition products.

The product is manufactured under controlled production conditions and tested by HPLC to verify purity and batch specifications.

Standard specification:

Quercetin Dihydrate ≥95% (HPLC)

Available for capsule, tablet, powder blend, and functional nutrition applications.

Quercetin Dihydrate Powder Specification

Custom specifications and packing requirements are available for bulk orders.

Quercetin Dihydrate Overview

Quercetin Dihydrate is a plant-derived flavonoid belonging to the flavonol group.

It is obtained from botanical sources and used as an active ingredient in nutritional supplements and functional products.

The dihydrate form contains two water molecules in its structure and is one of the commonly supplied commercial forms of quercetin.

Quercetin vs Quercetin Dihydrate: Key Differences

Quercetin and Quercetin Dihydrate are different forms of the same flavonoid compound. The main distinction is that Quercetin Dihydrate contains two water molecules within its crystal structure.

The molecular formula of Quercetin Dihydrate is C15H10O7·2H2O, representing a specific hydrated form commonly used in commercial ingredient supply.

For supplement manufacturers, Quercetin Dihydrate is often selected due to:

· Defined chemical composition

· Established commercial specifications

· Stable supply availability

· Compatibility with capsule, tablet, and powder formulations

When sourcing Quercetin ingredients, buyers should evaluate purity, analytical methods, documentation, and supplier production capability to ensure suitability for their products.

Manufacturing & Factory Capability

Gold Herb produces Quercetin Dihydrate Powder through a standardized manufacturing process covering raw material evaluation, extraction, purification, drying, and final inspection.

The production workflow includes:

· Raw material identification and quality verification

· Botanical extraction and purification

· Concentration and crystallization

· Drying and powder processing

· Final product testing and release

Each production batch is recorded with internal batch information to support traceability and quality review.

For nutraceutical manufacturers and ingredient distributors, Gold Herb provides specification-based Quercetin Dihydrate Powder with supporting technical documents for product evaluation and commercial supply.

Laboratory Testing & Quality Control

Each batch of Quercetin Dihydrate Powder is tested before shipment to confirm compliance with the agreed product specifications.

Quality evaluation includes:

· HPLC assay for quercetin content

· Identification testing

· Moisture analysis

· Heavy metal testing

· Microbial examination

· Appearance and physical property inspection

Available documents include:

· Certificate of Analysis (COA)

· Product Specification

· Technical Data Sheet (TDS)

· Product Samples

These quality records help customers verify ingredient specifications and assess suitability for capsule, tablet, and functional nutrition formulations.

Applications

Dietary Supplements

Used in capsules, tablets, and botanical supplement formulas.

Antioxidant Blends

Combined with plant extracts, vitamins, and other nutritional ingredients.

Healthy Aging Products

Included in formulas based on botanical compounds and wellness nutrition.

Functional Nutrition

Used in powder blends and specialty nutrition products.

Nutricosmetic Products

Applied in beauty nutrition formulas containing botanical ingredients.

Bulk Quercetin Dihydrate Supply

Gold Herb supplies 95% Quercetin Dihydrate Powder for dietary supplement manufacturers, nutraceutical brands, and botanical ingredient distributors.

Typical purchasing process:

1. Confirm product specification and application requirements

2. Review COA, TDS, and technical documents

3. Evaluate samples if required

4. Confirm bulk order details and packaging requirements

5. Arrange production and shipment

Supply options are available for trial orders, regular production, and long-term ingredient sourcing.

How to Select a Quercetin Dihydrate Supplier

Selecting a suitable supplier is an important step for companies developing botanical supplement products.

Key factors to consider include:

Product Specification

Suppliers should provide clear product details, including purity level, CAS number, testing method, and physical characteristics.

Quality Documentation

Complete documentation such as COA, TDS, and product specifications helps manufacturers verify ingredient information before purchase.

Production Control

A qualified supplier should have defined procedures covering raw material handling, processing, inspection, and batch management.

Batch Stability

Consistent analytical results between batches are important for manufacturers producing capsules, tablets, and functional nutrition products.

Supply Service

A professional supplier should be able to support different purchasing stages, including sample evaluation, trial orders, and regular bulk supply.

Gold Herb supplies Quercetin Dihydrate Powder for nutraceutical companies and ingredient distributors with specification documents, sample availability, and production traceability.

Related Healthy Aging Ingredients

Quercetin Dihydrate is often selected as part of botanical and healthy aging formulations. It can be combined with other active compounds to support the development of antioxidant, wellness, and longevity-focused products.

Gold Herb also supplies a range of related ingredients, including:​​​​​​​

Urolithin A

A naturally derived compound used in premium healthy aging and functional nutrition products. It is supplied as a high-value ingredient for companies developing next-generation wellness formulas.

Spermidine

A natural polyamine ingredient used in nutritional supplements focused on cellular health and healthy aging applications.

Ergothioneine

A naturally occurring amino acid derivative supplied for antioxidant and advanced nutrition products.

NMN (Nicotinamide Mononucleotide)

A nucleotide-based ingredient used in NAD+ related nutrition products and healthy aging supplement formulations.

Fisetin

A plant flavonoid ingredient that is often combined with other botanical extracts in antioxidant and longevity-oriented formulas.

Resveratrol

A natural polyphenol ingredient widely used in botanical supplements, antioxidant blends, and healthy aging products.

Curcumin

A turmeric-derived active compound used in nutritional supplements and botanical wellness formulations.

By combining Quercetin Dihydrate with complementary botanical ingredients, manufacturers can develop differentiated products for the growing healthy aging and longevity nutrition market.

Packaging & Storage

Standard packaging

· 1kg aluminum foil bag

· 25kg fiber drum

Storage

Store sealed in a dry and cool environment. Avoid moisture and direct sunlight.

Shelf life

24 months under proper storage conditions.

Quercetin Dihydrate Powder FAQ

What is Quercetin Dihydrate Powder?

Quercetin Dihydrate Powder is a botanical flavonoid ingredient supplied in a hydrated crystalline form. It is commonly used in dietary supplements, antioxidant formulations, functional nutrition products, and botanical blends.

What purity grade of Quercetin Dihydrate do you supply?

Gold Herb supplies Quercetin Dihydrate with ≥95% purity tested by HPLC. Custom specifications can be discussed based on formulation or application requirements.

What is the CAS number of Quercetin Dihydrate?

The CAS number of Quercetin Dihydrate is 6151-25-5.

What is the difference between Quercetin and Quercetin Dihydrate?

Quercetin and Quercetin Dihydrate are different forms of the same flavonoid compound. Quercetin Dihydrate contains two water molecules within its crystal structure, forming a hydrated commercial ingredient commonly used in supplement manufacturing.

How is Quercetin Dihydrate tested?

Quality testing includes HPLC assay for active ingredient content, along with moisture analysis, heavy metal testing, microbial testing, identification, and physical property evaluation according to product specifications.

Can you provide COA, TDS, and samples?

Yes. Product documents including COA, TDS, specifications, and samples are available for customer evaluation before bulk purchasing.

Do you supply bulk Quercetin Dihydrate Powder?

Yes. Gold Herb supplies bulk Quercetin Dihydrate Powder for dietary supplement manufacturers, nutraceutical brands, and ingredient distributors.

What packaging options are available?

Standard packaging includes:

1kg aluminum foil bags

25kg fiber drums

Customized packaging options can be discussed for commercial orders.

What is the shelf life of Quercetin Dihydrate Powder?

The standard shelf life is 24 months when stored in sealed packaging under dry and suitable storage conditions.

Can I request a sample before placing a bulk order?

Yes. Samples are available for companies that need to evaluate product quality, specifications, or formulation compatibility before commercial purchase.

Do you support customized specifications?

Customized requirements such as specification adjustments, documentation requests, and packaging solutions can be discussed according to customer needs.

Why choose Gold Herb as a Quercetin Dihydrate supplier?

Gold Herb provides Quercetin Dihydrate Powder with:

· Defined product specifications

· HPLC-tested purity verification

· Batch documentation and traceability

· COA, TDS, and sample support

· Bulk supply service for nutraceutical manufacturers

Our focus is to provide reliable botanical ingredients for companies developing dietary supplements, functional nutrition products, and wellness formulations.

Request Quercetin Dihydrate Powder

Gold Herb supplies 95% Quercetin Dihydrate Powder for global supplement manufacturers and ingredient distributors.

Contact:

info@newgoldherb.com

Available:

· COA

· Product specification

· Sample

· Bulk quotation