In a world where natural health takes center stage, silymarin has emerged as a star player—touted for its remarkable support for liver health, antioxidant power, and more. Derived from the seeds of the milk thistle plant ( Silybum marianum ), this botanical extract has become a staple in supplements, pharmaceuticals, and even skincare products. But with so many options on the market, finding a reliable source can feel overwhelming. That's where New Zealand comes in. Known for its pristine landscapes, strict quality regulations, and commitment to sustainable practices, New Zealand has built a reputation as a hub for high-quality botanical extracts. Whether you're a supplement brand, a pharmaceutical company, or a small business looking to source silymarin, the country's suppliers offer something for every need. In this guide, we'll introduce you to the top 10 silymarin suppliers, manufacturers, wholesalers, and traders in New Zealand—breaking down what makes each stand out, their product specialties, and how they can help you meet your goals.
Why Silymarin? Exploring the Benefits
Before diving into the suppliers, let's take a moment to appreciate why silymarin has captured the attention of health enthusiasts and industries alike. At its core, silymarin is a group of flavonolignans with potent antioxidant properties, making it a powerful defender against oxidative stress. Its most well-known role is supporting liver function: studies suggest it helps protect liver cells from damage, aids in regeneration, and may even support detoxification processes. But its benefits don't stop there. Silymarin has also been linked to skin health, with research indicating it may soothe inflammation and protect against UV damage. For those in the wellness space, these silymarin benefits make it a versatile ingredient—perfect for everything from liver support supplements to anti-aging serums. And when sourced from a trusted supplier, you can be confident you're getting a product that delivers on these promises.
Why New Zealand? The Gold Standard for Silymarin Sourcing
New Zealand isn't just famous for its stunning fjords and sheep farms—it's also a leader in producing high-quality botanical extracts. What sets the country apart? For starters, its strict regulatory framework. Suppliers here must adhere to rigorous standards, from cultivation to extraction, ensuring products are pure, potent, and safe. Many New Zealand companies also prioritize organic farming, avoiding harmful pesticides and chemicals that can compromise extract quality. Add in a commitment to sustainability—think eco-friendly extraction methods and renewable energy use—and it's no wonder global buyers turn to New Zealand for reliable silymarin. Whether you need pharmaceutical-grade extracts or bulk milk thistle extract for supplements, New Zealand's suppliers combine science, nature, and ethics to deliver products you can trust.
Top 10 Silymarin Suppliers in New Zealand
1. PureKiwi Botanicals Ltd.
Year Established:
2005
Location:
Auckland
Type:
Manufacturer & Wholesaler
Key Products:
Standardized silymarin extracts (80% silymarin), organic milk thistle extract, bulk botanical powders
Certifications:
Organic NZ, GMP, ISO 9001, Kosher
What Sets Them Apart:
PureKiwi Botanicals prides itself on vertical integration—from growing its own milk thistle on certified organic farms in the Waikato region to in-house extraction using cold-press technology that preserves silymarin's potency. They offer customizable extracts, allowing clients to specify silymarin concentrations (ranging from 40% to 95%) and particle sizes. Their commitment to sustainability shines through: the company uses solar power for its extraction facilities and biodegradable packaging for bulk orders. With a minimum order quantity (MOQ) of 5kg for standard extracts and 1kg for custom blends, they're a favorite among small to medium businesses.
2. Southern Extracts Co.
Year Established:
2010
Location:
Christchurch
Type:
Manufacturer & Exporter
Key Products:
Pharmaceutical-grade silymarin, micronized milk thistle extract, water-soluble silymarin for beverages
Certifications:
GMP, ISO 13485 (medical devices), TGA (Australian Therapeutic Goods Administration) registered
What Sets Them Apart:
Southern Extracts Co. specializes in high-purity silymarin for the pharmaceutical and nutraceutical industries. Their state-of-the-art facility in Christchurch uses supercritical CO2 extraction, a method that avoids chemical solvents and yields extracts with minimal impurities. They're known for their strict quality control: every batch undergoes third-party testing for silymarin content, heavy metals, and microbial contamination. With a focus on export, they ship to over 20 countries, including Australia, Canada, and parts of Europe. Their MOQ is 25kg for bulk pharmaceutical-grade silymarin, but they offer smaller samples (100g) for product development.
3. NZ Natural Ingredients Traders
Year Established:
2008
Location:
Wellington
Type:
Wholesaler & Trader
Key Products:
Bulk silymarin powder, milk thistle extract capsules (private label), blended botanical extracts
Certifications:
GMP, Halal, Organic NZ
What Sets Them Apart:
As a trader, NZ Natural Ingredients sources silymarin from trusted manufacturers across New Zealand and Australia, curating a portfolio of high-quality options for clients. They excel in flexibility—whether you need small quantities (starting at 1kg) for a startup or container loads for large-scale production. What makes them unique is their private label service: they can package silymarin extract into capsules, tablets, or sachets with your brand logo, saving you time and resources. They also offer fast turnaround times, with most orders shipping within 3–5 business days. Their customer support team is praised for its responsiveness, helping clients navigate certifications and regulatory requirements.
4. GreenHarvest Manufacturing
Year Established:
2012
Location:
Hamilton
Type:
Manufacturer
Key Products:
Organic milk thistle extract, silymarin-enriched botanical blends, eco-friendly extract powders
Certifications:
Organic NZ, Fair Trade, ISO 14001 (environmental management)
What Sets Them Apart:
GreenHarvest Manufacturing is all about sustainability. Their milk thistle is grown on biodynamic farms in the Waikato, where soil health is prioritized, and crops are rotated to maintain biodiversity. Their extraction process uses 100% renewable energy, and they recycle 95% of their water. The result? A silymarin extract that's not only potent (standardized to 80% silymarin) but also aligned with eco-conscious values. They're a popular choice for brands marketing "green" or "sustainable" products, offering certifications to back up their claims. Their MOQ is 10kg for organic extracts, and they provide detailed sustainability reports with every order—perfect for transparency-focused businesses.
5. Coastal Botanicals Ltd.
Year Established:
2003
Location:
Nelson
Type:
Manufacturer & Wholesaler
Key Products:
Low-solvent silymarin extract, milk thistle seed oil, silymarin for skincare formulations
Certifications:
GMP, Ecocert, COSMOS (for cosmetic ingredients)
What Sets Them Apart:
Coastal Botanicals has carved a niche in the cosmetic and personal care industry, producing silymarin extracts tailored for skincare. Their low-solvent extraction method ensures the extract is gentle enough for sensitive skin, while still retaining its antioxidant and anti-inflammatory properties. They also offer milk thistle seed oil, rich in essential fatty acids, which pairs well with silymarin for nourishing formulations. Beyond cosmetics, they supply standardized silymarin to supplement brands, with a focus on traceability—clients can track their batch from farm to final product via an online portal. Their MOQ is 5kg for skincare extracts and 20kg for bulk supplement-grade silymarin.
6. KiwiPharma Ingredients
Year Established:
2015
Location:
Auckland
Type:
Manufacturer & Exporter
Key Products:
High-purity silymarin (95% concentration), pharmaceutical-grade milk thistle extract, custom formulations
Certifications:
GMP, ISO 17025 (testing laboratory), FDA registered
What Sets Them Apart:
KiwiPharma Ingredients is a go-to for pharmaceutical companies and research institutions needing ultra-pure silymarin. Their extraction process is optimized to achieve silymarin concentrations up to 95%, making it ideal for clinical trials and high-dose supplements. They operate an in-house testing lab accredited by ISO 17025, ensuring every batch meets strict purity standards. With a focus on global export, they have experience navigating international regulations, including the EU's EFSA and the US FDA. Their MOQ is 50kg for pharmaceutical-grade silymarin, but they offer smaller research quantities (100g–1kg) for academic or product development purposes.
7. HarvestMoon Wholesalers
Year Established:
2009
Location:
Tauranga
Type:
Wholesaler
Key Products:
Bulk silymarin powder, organic milk thistle extract, botanical extract blends (e.g., silymarin + turmeric)
Certifications:
Organic NZ, GMP, FSSAI (Indian Food Safety Standards Authority)
What Sets Them Apart:
HarvestMoon Wholesalers focuses on making high-quality silymarin accessible to small and medium businesses. With an MOQ of just 1kg, they're perfect for startups or businesses testing new products. They source from a network of GMP-certified manufacturers in New Zealand, ensuring consistency across batches. What stands out is their blended extracts: they offer pre-mixed formulas like silymarin + turmeric (for joint and liver support) or silymarin + dandelion (for enhanced detox), saving clients the hassle of mixing ingredients themselves. They also provide fast shipping within New Zealand (1–2 days) and competitive international rates, with a loyal customer base in Australia and Southeast Asia.
8. SouthIsland Extracts
Year Established:
2011
Location:
Dunedin
Type:
Manufacturer
Key Products:
Cold-pressed milk thistle extract, silymarin liquid extracts, organic silymarin powder
Certifications:
Organic NZ, GMP, Demeter (biodynamic certification)
What Sets Them Apart:
SouthIsland Extracts is a small-batch manufacturer with a focus on traditional extraction methods. They use cold-pressing to extract silymarin, a gentle process that preserves heat-sensitive compounds, resulting in a more bioavailable extract. Their liquid silymarin extracts are popular among tincture brands and herbalists, offering a convenient way to incorporate silymarin into liquid supplements. They also grow their own milk thistle on a biodynamic farm in Otago, where they avoid synthetic fertilizers and focus on soil regeneration. For clients who value artisanal quality and sustainability, SouthIsland Extracts is a top choice—though their MOQ is higher (25kg for powder, 50L for liquid) due to the small-batch nature of their production.
9. NZ Bulk Botanicals
Year Established:
2018
Location:
Hamilton
Type:
Wholesaler & Trader
Key Products:
Bulk silymarin (all grades), milk thistle extract, private label supplement manufacturing
Certifications:
GMP, ISO 9001, Halal
What Sets Them Apart:
NZ Bulk Botanicals is a rising star in the wholesale space, known for its competitive pricing and large inventory. They source silymarin from multiple manufacturers across New Zealand, allowing them to offer a range of grades (from 40% to 95% silymarin) at varying price points. Their sweet spot is bulk orders—they specialize in supplying 100kg+ quantities to large supplement brands and international distributors. They also offer private label manufacturing, handling everything from formulation to packaging, making them a one-stop shop for businesses looking to launch their own
best silymarin supplement
line. With a dedicated logistics team, they can arrange shipping to virtually any country, including door-to-door delivery.
10. EcoExtracts NZ
Year Established:
2007
Location:
Wellington
Type:
Manufacturer & Wholesaler
Key Products:
Sustainable silymarin extract, carbon-neutral milk thistle products, eco-friendly packaging options
Certifications:
Organic NZ, Carbon Neutral NZ, GMP
What Sets Them Apart:
EcoExtracts NZ is on a mission to make botanical extracts more sustainable. They're certified carbon-neutral, offsetting emissions from farming, extraction, and shipping through reforestation projects in New Zealand. Their silymarin extract is produced using 100% renewable energy, and they offer compostable or recyclable packaging for all orders. Beyond sustainability, they prioritize community—they partner with local farmers, ensuring fair wages and ethical practices. Their product line includes both standard and organic silymarin, with a focus on transparency: each batch comes with a "sustainability report" detailing its carbon footprint and ethical sourcing practices. Their MOQ is 10kg, making them accessible to both small and medium brands with eco-conscious values.
At a Glance: Comparing New Zealand's Top Silymarin Suppliers
| Company Name | Type | Key Products | Certifications | Min. Order Quantity | Specialty |
|---|---|---|---|---|---|
| PureKiwi Botanicals Ltd. | Manufacturer, Wholesaler | Organic milk thistle extract, standardized silymarin (40–95%) | Organic NZ, GMP, ISO 9001 | 5kg (standard), 1kg (custom) | Vertical integration, cold-press technology |
| Southern Extracts Co. | Manufacturer, Exporter | Pharmaceutical-grade silymarin, water-soluble extracts | GMP, ISO 13485, TGA registered | 25kg (bulk), 100g (samples) | Supercritical CO2 extraction, global export |
| NZ Natural Ingredients Traders | Wholesaler, Trader | Bulk silymarin powder, private label capsules | GMP, Halal, Organic NZ | 1kg | Private label service, fast turnaround |
| GreenHarvest Manufacturing | Manufacturer | Biodynamic milk thistle extract, eco-friendly powders | Organic NZ, Fair Trade, ISO 14001 | 10kg | Sustainability, renewable energy |
| Coastal Botanicals Ltd. | Manufacturer, Wholesaler | Skincare-grade silymarin, milk thistle seed oil | GMP, Ecocert, COSMOS | 5kg (skincare), 20kg (supplement) | Cosmetic formulations, traceability portal |
| KiwiPharma Ingredients | Manufacturer, Exporter | 95% purity silymarin, pharmaceutical formulations | GMP, ISO 17025, FDA registered | 50kg (bulk), 100g (research) | High-purity extracts, clinical/research use |
| HarvestMoon Wholesalers | Wholesaler | Blended extracts (silymarin + turmeric), bulk powder | Organic NZ, GMP, FSSAI | 1kg | Small-batch orders, fast shipping |
| SouthIsland Extracts | Manufacturer | Cold-pressed liquid silymarin, biodynamic powder | Organic NZ, Demeter, GMP | 25kg (powder), 50L (liquid) | Artisanal extraction, bioavailability |
| NZ Bulk Botanicals | Wholesaler, Trader | Bulk silymarin (all grades), private label manufacturing | GMP, ISO 9001, Halal | 100kg+ (bulk), 10kg (standard) | Competitive pricing, large inventory |
| EcoExtracts NZ | Manufacturer, Wholesaler | Carbon-neutral silymarin, sustainable packaging | Organic NZ, Carbon Neutral NZ, GMP | 10kg | Sustainability, ethical sourcing |
Frequently Asked Questions About Silymarin Sourcing in New Zealand
Final Thoughts: Finding Your Perfect Silymarin Partner in New Zealand
New Zealand's silymarin suppliers offer a blend of quality, innovation, and sustainability that's hard to match. Whether you're a small brand just starting out or a large corporation in need of bulk pharmaceutical-grade extract, there's a supplier on this list to meet your needs. From the eco-conscious practices of EcoExtracts NZ to the high-purity focus of KiwiPharma Ingredients, each company brings unique strengths to the table. By prioritizing certifications, purity, scalability, and alignment with your brand values, you can find a partner that not only provides top-tier silymarin but also supports your long-term success. So go ahead—reach out, ask questions, request samples, and take the first step toward creating products that stand out in the market. With New Zealand's suppliers by your side, you're not just buying an extract—you're investing in quality you can trust.



