Top 10 Milk Thistle Extract Suppliers, Manufacturers, Wholesalers, and Traders in Spain

Nestled in the heart of Barcelona, Herbal Essence Extracts S.L. has been a cornerstone of Spain's botanical extract industry for over 25 years. What started as a small family operation has grown into a leading manufacturer, known for its unwavering commitment to quality and sustainability. Specializing in milk thistle extract, the company prides itself on sourcing raw milk thistle from organic farms in the Catalonia region, where the Mediterranean climate and nutrient-rich soil produce plants with some of the highest silymarin concentrations in Europe.

Herbal Essence Extracts offers both standardized and organic milk thistle extract, with silymarin levels ranging from 70% to 80%—a sweet spot for most supplement and cosmetic formulations. Their production facility, equipped with state-of-the-art supercritical CO2 extraction technology, ensures that the extract retains maximum potency while minimizing solvent residues. This attention to detail has earned them certifications like ISO 9001, Organic EU, and GMP, making them a trusted partner for brands prioritizing clean, traceable ingredients.

What truly sets them apart, though, is their customer-centric approach. Whether you're a startup needing small-batch samples or a multinational corporation ordering bulk milk thistle extract by the ton, their team works closely with clients to tailor products to specific needs. They also offer comprehensive documentation, including COAs (Certificates of Analysis) and batch traceability reports, giving buyers peace of mind. With a dedicated R&D team constantly exploring new extraction methods, Herbal Essence Extracts isn't just a supplier—they're an innovator in the space.

Valencia-based Mediterranean Botanicals has built its reputation on one thing: reliability. For over 20 years, this manufacturer and wholesaler has supplied bulk milk thistle extract to businesses across Europe and beyond, earning a loyal following for its consistent quality and competitive pricing. Located near the fertile Ebro Delta, they source milk thistle seeds locally, partnering with farmers who follow sustainable agricultural practices—no pesticides, minimal water usage, and crop rotation to preserve soil health.

Mediterranean Botanicals specializes in high-volume orders, making them ideal for large-scale supplement brands and pharmaceutical companies. Their product line includes standard milk thistle extract (70% silymarin), as well as silymarin isolates (up to 95% purity) for specialized applications. They also offer herbal powders and liquid extracts, but their bulk milk thistle extract remains their flagship product, thanks to its low cost per kilogram and strict quality control. Every batch undergoes third-party testing for heavy metals, microbial contaminants, and silymarin content, ensuring compliance with EU and international standards.

Certifications like EU Organic, Kosher, and Halal reflect their commitment to inclusivity, catering to diverse market needs. Their warehouse in Valencia, strategically located near major ports, allows for fast shipping—most European orders arrive within 48 hours, while international shipments are processed within 3–5 days. For businesses looking to scale without compromising on quality, Mediterranean Botanicals is a solid choice, offering the kind of dependability that builds long-term partnerships.

When it comes to high-quality milk thistle extract, Green Health Ingredients in Madrid is a name that often tops the list. Founded in 2005 by a team of pharmaceutical scientists, this company set out to bridge the gap between scientific rigor and natural ingredients—and they've succeeded. Their milk thistle extract is known for its exceptional purity, with silymarin content consistently testing above 80%, making it a favorite among premium supplement brands and skincare companies.

Green Health Ingredients sources milk thistle from ｓｅｌｅｃｔ farms in Castilla-La Mancha, where the dry climate and calcareous soil are believed to enhance the plant's medicinal properties. They use a proprietary cold-extraction method that preserves the integrity of silymarin's active compounds, resulting in an extract that's both potent and stable. Their facility, certified GMP and ISO 22000, adheres to strict hygiene protocols, and their lab is equipped with HPLC and GC-MS instruments for in-house testing—no need to wait for third-party results.

Beyond their flagship milk thistle extract, Green Health offers a range of nutraceutical raw materials, but their focus remains on quality over quantity. They cater to mid-sized businesses and startups, offering flexible MOQs (minimum order quantities) and personalized support, including help with formulation development. For brands that prioritize science-backed ingredients, Green Health Ingredients isn't just a supplier—they're a research partner, often collaborating on studies to validate the efficacy of their extracts. It's this blend of expertise and accessibility that has made them a go-to in Madrid's bustling health ingredients scene.

Seville's Iberian Herb Traders is more than a supplier—it's a champion of ethical sourcing. Founded in 2010 by a group of herbalists and environmentalists, this wholesale company specializes in organic botanical extracts, with milk thistle extract being their bestseller. What makes them unique is their direct partnerships with small-scale farmers in Andalusia, ensuring fair prices and sustainable practices. They even offer tours of their partner farms, giving clients full transparency into the sourcing process.

Iberian Herb Traders' milk thistle extract is 100% organic, certified by the EU Organic label, and available in both powder and liquid forms. Their silymarin content averages 75%, with options for custom standardization. They also stock a range of other organic botanical extracts, making them a one-stop shop for brands focused on clean, eco-friendly ingredients. Their bulk pricing is competitive, and they offer discounts for repeat orders, encouraging long-term relationships with clients.

Certifications like Fair Trade and GMP underscore their commitment to both people and quality. Their team is passionate about education, often hosting workshops for clients on the benefits of organic ingredients and how to market them effectively. For businesses that want to align their brand with sustainability and ethical sourcing, Iberian Herb Traders is an excellent choice—proving that doing good for the planet can also be good for business.

For pharmaceutical and high-end cosmetic brands, Nature's Extract Lab in Zaragoza is the gold standard. Specializing in pharmaceutical-grade milk thistle extract, this company caters to clients with the strictest quality requirements. Their facility, certified ISO 13485 and FDA-registered, operates under pharmaceutical manufacturing standards, with cleanrooms, automated production lines, and rigorous documentation processes that leave no room for error.

Nature's Extract Lab's milk thistle extract is standardized to 80% silymarin, with ultra-low heavy metal and microbial limits—often exceeding EU and FDA specifications. They also offer custom formulations, working with clients to develop extracts tailored to specific applications, such as slow-release supplements or high-potency skincare serums. Their R&D team, staffed with PhD-level scientists, stays ahead of industry trends, recently pioneering a water-soluble milk thistle extract that's easier to incorporate into liquid formulations like beverages and tonics.

While their prices are higher than some wholesalers, the quality and reliability justify the investment. They serve clients in over 30 countries, with a focus on pharmaceutical companies, luxury cosmetic brands, and research institutions. For businesses where precision and compliance are non-negotiable, Nature's Extract Lab delivers—making them a trusted partner in the global healthcare supply chain.

Andalusian Botanicals S.A., based in Malaga, is a family-owned manufacturer with a passion for organic botanicals. Founded in 1998 by a herbalist and his daughter, the company has grown from a small workshop to a modern facility, but it hasn't lost its focus on tradition. They source milk thistle from organic farms in the Sierra Nevada mountains, where the plants grow wild or are cultivated using biodynamic practices—no synthetic fertilizers, just compost and natural pest control.

Their organic milk thistle extract is a standout product, with a rich, dark green color and a naturally high silymarin content (72–78%). They use ethanol extraction, a method that's been used for centuries but updated with modern equipment to ensure efficiency and purity. The result is an extract that's not only potent but also carries the terroir of the Andalusian mountains—a selling point for brands emphasizing authenticity and heritage.

Certified by EU Organic, Ecocert, and GMP, Andalusian Botanicals caters to both small and large clients, with MOQs as low as 1kg for trial orders. They also offer private labeling services, making it easy for startups to launch their own milk thistle supplement lines. With a friendly, knowledgeable team that's always happy to answer questions, this family-run business feels more like a partner than a supplier—perfect for brands that value personal connections.

Northern Spain Extract Co. in Bilbao brings a unique perspective to milk thistle extract production, combining the region's industrial heritage with a focus on innovation. Founded in 2010, this manufacturer has quickly made a name for itself by offering both bulk and small-batch options, making it accessible to everyone from multinational corporations to artisanal skincare brands.

What sets them apart is their flexibility. Need 500kg of standard milk thistle extract for a supplement line? They can deliver it within a week. Want a custom 1kg batch with added antioxidants for a niche skincare product? Their small-batch production line can handle that too. They source milk thistle from farms in the Basque Country and Navarre, regions known for their strict agricultural regulations, ensuring consistent quality.

Certified ISO 9001 and GMP, Northern Spain Extract Co. also offers botanical oils and powders, making them a versatile partner. Their pricing is transparent, with no hidden fees, and their customer service team is multilingual, supporting clients in Spanish, English, French, and German. For businesses that value flexibility and accessibility, this Bilbao-based company is a top contender.

Barcelona Nutra Ingredients is all about functional ingredients, and their milk thistle extract is no exception. Founded by a team of food scientists, this company focuses on creating extracts that not only deliver health benefits but also integrate seamlessly into formulations. Their functional milk thistle extract, for example, is designed to be more bioavailable than standard extracts, meaning the body can absorb and use its silymarin more effectively—a key selling point for supplement brands.

Based in Barcelona's innovation district, the company invests heavily in research, collaborating with local universities to study the bioactivity of their extracts. Their milk thistle extract is available in powder, liquid, and encapsulated forms, with silymarin levels from 60% to 85%. They also offer blends, such as milk thistle extract combined with other liver-supporting herbs like dandelion or artichoke, saving clients the hassle of sourcing multiple ingredients.

Certified GMP, ISO 22000, and Non-GMO Project Verified, Barcelona Nutra Ingredients serves clients in the nutraceutical, food, and beverage industries. Their technical support team is available to help with formulation challenges, from solubility issues to stability testing. For brands looking to differentiate their products with science-backed, functional ingredients, this Barcelona-based supplier is a smart choice.

As the name suggests, Spanish Herbal Exports in Valencia specializes in taking Spain's botanical extracts to the global stage. With a focus on international trade, this wholesaler has built a network of clients in over 50 countries, from the U.S. to Australia to Southeast Asia. Their milk thistle extract is a top export, prized for its consistent quality and compliance with diverse international regulations.

Spanish Herbal Exports works with multiple manufacturers across Spain to source the best milk thistle extract, ensuring a steady supply even during peak demand. They offer both organic and conventional options, with silymarin levels ranging from 65% to 80%. Their bulk pricing is competitive, and they handle all the logistics of international shipping, including customs documentation, certifications, and language support.

Certified EU Organic, GMP, and Kosher, they're well-versed in meeting the unique requirements of different markets—whether it's FDA compliance for the U.S. or HALAL certification for the Middle East. Their team includes export specialists who understand the nuances of global trade, making the process of importing milk thistle extract from Spain smooth and stress-free. For international businesses looking to source high-quality Spanish milk thistle extract, this Valencia-based exporter is the go-to partner.

Galician Botanicals Ltd. in A Coruña stands out for its focus on wild-harvested milk thistle, a practice that aligns with the region's tradition of sustainable foraging. Located in Galicia, where the Atlantic climate fosters lush, biodiverse landscapes, the company works with local foragers who collect milk thistle from uncultivated areas, ensuring that the plants are harvested in a way that preserves the ecosystem.

Their wild-harvested milk thistle extract has a slightly lower silymarin content (68–72%) than some cultivated varieties, but it's rich in other beneficial compounds like flavonoids and polyphenols, making it popular for holistic health brands. They also offer cultivated milk thistle extract for clients who need higher silymarin levels, but their wild-harvested option remains their signature product, certified by Fair Wild, an international standard for sustainable wild collection.

Galician Botanicals is committed to environmental stewardship, using 100% renewable energy in their extraction facility and offsetting their carbon footprint through reforestation projects. They cater to small and medium-sized brands, with a focus on education—sharing the stories of their foragers and the benefits of wild-harvested ingredients. For businesses that want to emphasize sustainability and connection to nature, this Galician supplier offers a unique, authentic product that resonates with eco-conscious consumers.