Milk thistle/Silybum marianum extract (Silybum marianum, silymarin)

Standardized Milk Thistle (Silybum marianum) Seed Extract with Silymarin 80% and Silybin 30% specifications. Sourced through qualified production partners for dietary supplement manufacturers.

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Available Specifications

Per MT-001 (Verified 2026-09-20):

Specifications subject to product requirements and destination-market regulations.

Product Overview

Technical Specifications

All specifications subject to product specification and destination-market requirements.

Quality & Documentation

• Certificate of Analysis (COA) per batch with UV / HPLC verification of Silymarin / Silybin
• Heavy metals testing panel (Pb, As, Cd, Hg) via ICP-MS
• Microbiology panel per USP
• Material Safety Data Sheet (MSDS) documentation
• Non-GMO statement
• Allergen statement
• Pesticide residue testing (multi-residue screen)
• Third-party SGS testing available upon request

Applications

• Dietary Supplements: Considered for use in liver support and antioxidant formulations.
• Functional Food & Beverage: Considered for fortification in functional beverages.
• Traditional Herbal Preparations: Suitable for use in traditional European herbal medicine formulations.
• Cosmeceuticals: Considered for use in topical skincare formulations (antioxidant).

Why Source from Nourish Ingredients?

1. Specification Matching: Three specification levels (UV 80%, HPLC 80%/30%, Phytosome) for formulation flexibility.
2. Supplier Verification: Production partners maintain FSSC 22000, BRCGS, EU Organic, USDA Organic certifications.
3. Sample Comparison: 25-100g samples available for specification evaluation.
4. Third-Party Testing: SGS verification available for Silymarin, Silybin, heavy metals, and microbiology.
5. Documentation Support: Comprehensive documentation package including COA, MSDS, allergen, and Non-GMO statements.

Supply & Ordering

• Sample Availability: 25-100g samples available; standard samples ship within 5-7 business days.
• Minimum Order Quantity (MOQ): 25 kg for standard specifications; smaller quantities for evaluation.
• Lead Time: 7-15 business days from order confirmation.
• Packaging: 25 kg fiber drum with double food-grade PE liner; custom packaging available.
• Shipping: Worldwide shipping via air, sea, or courier; documentation prepared for customs clearance.

Frequently Asked Questions

Q1: What's the difference between Silymarin 80% (UV) and Silymarin 80% / Silybin 30% (HPLC)?

UV method quantifies the full Silymarin complex, while HPLC specifically measures Silybin A+B (the most bioactive component). HPLC verification is the gold standard for pharmaceutical applications.

Q2: What is Silybin Phytosome?

Silybin Phytosome is a phospholipid-complexed form of Silybin with enhanced bioavailability. It is positioned for premium applications where improved uptake is desired.

Q3: Can Milk Thistle Extract be combined with other ingredients?

Milk Thistle Extract is commonly combined with Phosphatidylcholine, Curcumin, and other antioxidant ingredients for liver support formulations. We recommend consulting with your formulation team.

Q4: What's the regulatory status in the EU?

Milk Thistle Extract is permitted as a traditional herbal medicinal product in the EU under Directive 2004/24/EC. Specific regulatory status depends on intended application and labeling.

Q5: How is Silymarin content measured?

Silymarin content is quantified via UV (total flavonolignans) or HPLC (Silybin A+B specifically) per Ph. Eur. method.

Q6: What's the typical MOQ?

Standard MOQ is 25 kg. Smaller quantities (5-10 kg) are available for evaluation.

Q7: Do you offer custom specifications?

Yes. Custom specifications (e.g., specific Silymarin content, Phytosome form, packaging) can be discussed with our coordination team.

Q8: What documentation is available?

Standard documentation includes COA, MSDS, allergen statement, Non-GMO statement. Additional documentation available upon request from production partners.

Related Resources

• Milk Thistle Extract for Dietary Supplements →
• How to Verify Botanical Extract Quality: 12 Points →

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Compliance Note

Data marked as "typical" reflects industry standards; specific values vary by supplier and batch. Documentation including COA, MSDS, allergen, and Non-GMO documentation is available upon request from production partners.

About Nourish Ingredients: We are a China-based sourcing partner for botanical extracts and nutraceutical ingredients. We coordinate supply for international brands — from specification matching to delivery. Production partners maintain FSSC 22000, BRCGS, EU Organic, USDA Organic, FAMI-QS certifications. Documentation available upon request.

For ingredient sourcing inquiries: ashely@nourishingr.com

Reviewed by: Nourish Ingredients Editorial Team   Version: 2.3   Last updated: 2026-09-20