1. Silymarin Extract Bulk Supplier & GMP Manufacturer | Pharmaceutical & Cosmetic Grade
Silymarin Extract is a standardized flavonolignan complex derived from Silybum marianum (Milk Thistle) seeds, widely used as a functional botanical ingredient in dietary supplements, cosmetics, and pharmaceutical formulations.
AIHerba® is a GMP-certified manufacturer and bulk supplier of high-purity Silymarin extract, offering consistent quality, full documentation (COA, MSDS), and flexible OEM/ODM solutions for global B2B buyers.
With controlled raw material sourcing, validated extraction processes, and batch-level traceability, our Silymarin extract is designed to meet the procurement requirements of supplement brands, cosmetic formulators, contract manufacturers, and distributors across regulated markets.
✔ Pharmaceutical & cosmetic grades available
✔ Bulk supply, private label & OEM/ODM formulation support
✔ Global export experience with regulatory documentation
👉 Request specifications, samples, or pricing from our technical sales team.
Quick Summary
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Ingredient name: Silymarin Extract
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Botanical source: Silybum marianum (Milk Thistle) Seed
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CAS No.: 65666-07-1
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Main applications: Dietary supplements, cosmetics, pharmaceutical intermediates
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Typical purity: 70% – 80% Silymarin (HPLC)
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Suitable industries: Nutraceutical, cosmetic, pharmaceutical, functional food
2. What Is Silymarin Extract?
What is Silymarin?
Silymarin is a group of naturally occurring flavonolignans extracted from milk thistle seeds, primarily composed of silybin, silychristin, and silydianin. It is commonly used as a functional botanical ingredient in nutraceutical and cosmetic formulations.
Benefits (Functional Properties Only)
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Antioxidant properties in formulation systems
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Commonly used in liver-support supplement formulas
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Supports cellular protection in cosmetic applications
Applications
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Capsules, tablets, softgels
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Functional beverages & powders
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Anti-aging and soothing cosmetic formulations
Dosage / Specification
Formulation dosage depends on purity grade, regulatory region, and finished product type.
Safety
Non-GMO, plant-derived ingredient. Compliance documentation provided for formulation and regulatory review.
Supplier / Manufacturer
Produced by AIHerba® under GMP conditions with full quality assurance and traceability.
3. Detailed Technical Specifications
| Item | Specification |
|---|---|
| Appearance | Yellow to light brown powder |
| Assay | ≥70% / ≥80% Silymarin (HPLC) |
| Loss on Drying | ≤5.0% |
| Particle Size | 80 mesh (customizable) |
| Solubility | Slightly soluble in ethanol |
| Molecular Formula | C25H22O10 (Silybin reference) |
4. Product Source & Raw Material Origin
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Botanical source: Silybum marianum seeds
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Origin: Controlled cultivation regions (China / EU-compliant farms)
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Harvested at optimal maturity for flavonolignan content
5. Mechanism of Action & Functional Properties
Silymarin exhibits antioxidant and stabilizing properties in biological and cosmetic systems. In formulations, it is commonly used for oxidative stress modulation, ingredient synergy, and functional support without making therapeutic claims.
6. Application-Relevant Benefits (Regulatory-Safe)
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Used in formulations designed to support normal liver-related functions
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Provides antioxidant support in cosmetic systems
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Contributes to ingredient stability in complex formulations
7. Usage Guidelines & Formulation Recommendations
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Suitable for capsules, tablets, powders, and emulsions
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Compatible with phospholipids, vitamins, and botanical blends
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Recommended to conduct pilot formulation testing
8. Traditional & Modern Industrial Applications
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Traditional herbal preparations (non-medical reference)
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Modern nutraceutical and cosmetic ingredient systems
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Pharmaceutical excipient and intermediate applications
9. COA & Quality Control Specifications
Pesticide Residues
| Item | Limit | Method |
|---|---|---|
| BHC | ≤0.1 mg/kg | GC-MS |
| DDT | ≤0.1 mg/kg | GC-MS |
| Aldrin | ≤0.05 mg/kg | GC-MS |
Heavy Metals
| Item | Limit | Method |
|---|---|---|
| Lead (Pb) | ≤3.0 ppm | ICP-MS |
| Arsenic (As) | ≤2.0 ppm | ICP-MS |
| Cadmium (Cd) | ≤1.0 ppm | ICP-MS |
| Mercury (Hg) | ≤0.1 ppm | ICP-MS |
Microbiological Standards
| Item | Limit | Method |
|---|---|---|
| Total Plate Count | ≤10,000 cfu/g | USP |
| Yeast & Mold | ≤100 cfu/g | USP |
| E. coli | Negative | USP |
| Salmonella | Negative | USP |
10. Manufacturing Process & Production Flow
Raw Material → Cleaning → Extraction → Concentration → Purification → Drying → Milling → Blending → Packaging → Final QC
11. Storage, Shelf Life & Packaging
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Storage: Cool, dry, well-ventilated area
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Shelf life: 24 months
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Packaging: 1kg aluminum foil bags / 25kg fiber drums (custom available)
12. MOQ, Sample Policy & Global Shipping
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MOQ: 25 kg
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Samples: Available for qualified B2B buyers
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Shipping: Air / Sea / Express with full export documentation
13. Clinical Data & Scientific Research
Silymarin has been widely studied in academic research regarding antioxidant properties and formulation applications. All references are provided for scientific context only, without medical claims.
14. Applicable Industries
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Dietary supplements
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Cosmetic & personal care
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Pharmaceutical manufacturing
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Functional food & beverage
15. Industry Application Scenarios
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Supplement brand developing liver-support capsules
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Cosmetic manufacturer formulating antioxidant serums
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Contract manufacturer sourcing standardized botanical actives
16. Supplier Comparison & Procurement Guide
Key procurement factors:
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Standardization method (HPLC)
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GMP certification
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COA & traceability
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Regulatory documentation support
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OEM/ODM formulation capability
17. FAQ for B2B Buyers
Q1: Do you provide COA and MSDS?
Yes, full documentation is available.
Q2: Is OEM/ODM service available?
Yes, including formulation and private labeling.
Q3: What grades are available?
Nutraceutical and cosmetic grades.
Q4: Can you support EU & US markets?
Yes, with regulatory-compliant documentation.
Q5: What is your lead time?
Typically 7–15 working days.
Q6: Is batch traceability provided?
Yes, all batches are traceable.
19. References & Regulatory Sources
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PubMed
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NIH Dietary Supplement Database
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FDA Botanical Guidance
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European Pharmacopoeia
Manufacturer & Quality Assurance
Manufactured by AIHerba® (Shaanxi Zhonghong Investment Technology Co., Ltd.),
a GMP-certified manufacturer specializing in high-purity botanical extracts
for dietary supplements, cosmetics, and pharmaceutical applications.
✔ GMP-certified production facility
✔ Full COA & technical specifications available
✔ Batch traceability & strict quality control
✔ Bulk supply & OEM/ODM services for global B2B buyers
📧 sales@aiherba.com | info@aiherba.com | liaodaohai@gmail.com
🌐 www.aiherba.com
If you are looking for a bulk supplier / OEM manufacturer of Silymarin Extract, contact us for specifications, COA, and pricing.
Bulk Supply & Technical Support
Get direct factory quotes, COA, and MSDS within 12 hours. We support bulk supply and custom specifications.
