If you've ever reached for a liver support supplement, chances are you've come across milk thistle extract. Derived from the seeds of the Silybum marianum plant, this powerful botanical is celebrated for its active compound silymarin, which has been studied for decades for its potential to support liver health, fight oxidative stress, and even promote healthy skin. As demand for natural and plant-based ingredients surges—whether for supplements, cosmetics, or pharmaceuticals—finding a reliable source of high-quality milk thistle extract has become a top priority for businesses and buyers alike. And when it comes to sourcing botanical extracts, Thailand has emerged as a hidden gem.
With its fertile soil, favorable climate for herbal cultivation, and a long history of herbal medicine, Thailand has built a reputation for producing some of the finest botanical extracts in Southeast Asia. The country's suppliers and manufacturers often combine traditional extraction methods with modern quality control, ensuring products that meet both local and international standards. Whether you're a small business looking for bulk quantities or a pharmaceutical company in need of pharmaceutical-grade extracts, Thailand's market offers a diverse range of options.
In this guide, we'll introduce you to the top 10 milk thistle extract suppliers, manufacturers, wholesalers, and traders in Thailand. From family-run manufacturers with decades of experience to large-scale wholesalers specializing in bulk exports, we've curated a list that caters to different needs—whether you prioritize organic certifications, competitive pricing, or fast delivery. Let's dive in and explore what makes each of these players stand out in Thailand's thriving botanical extract industry.
Why Thailand for Milk Thistle Extract?
Before we jump into the list, let's take a moment to understand why Thailand is a go-to destination for milk thistle extract. First, the country's agricultural sector is robust, with many regions dedicated to growing medicinal herbs—including milk thistle, which thrives in Thailand's warm, sunny climate. This local cultivation means suppliers can maintain tighter control over the supply chain, from seed to extract, ensuring freshness and purity.
Second, Thailand has invested heavily in modern extraction facilities. Many manufacturers here use state-of-the-art equipment for processes like cold pressing, solvent extraction, and spray drying, which help preserve the active compounds in milk thistle (like silymarin) more effectively than older methods. This focus on technology has made Thai milk thistle extract a favorite among buyers who demand consistency and high potency.
Third, Thailand's regulatory landscape is supportive yet strict. Most reputable suppliers hold certifications like GMP (Good Manufacturing Practices), ISO 9001, and even organic certifications (such as USDA or EU organic), giving buyers peace of mind that products meet global safety and quality standards. Plus, with English widely spoken in the business sector, communication with Thai suppliers is often smooth—no small detail when navigating international trade.
Finally, Thailand's strategic location in Southeast Asia makes it a logistical hub, with easy access to markets in Australia, India, China, and beyond. This means faster shipping times and lower transportation costs compared to suppliers in more remote regions. All these factors combined make Thailand a top choice for anyone looking to source milk thistle extract.
Top 10 Milk Thistle Extract Suppliers in Thailand
1. ThaiHerb Extract Co., Ltd. (Manufacturer)
Founded in 1998, ThaiHerb Extract Co., Ltd. is one of Thailand's oldest and most respected milk thistle extract manufacturers. Based in Bangkok, this family-owned business started with a small extraction lab and has since grown into a full-scale production facility with over 50 employees. What sets ThaiHerb apart is its unwavering focus on quality—every batch of milk thistle extract undergoes rigorous testing for silymarin content (they guarantee a minimum of 80% silymarin in their pharmaceutical-grade products) and is free from pesticides and heavy metals.
ThaiHerb primarily serves the supplement and pharmaceutical industries, offering both powder and liquid extracts. They specialize in bulk orders, with a minimum order quantity (MOQ) of 100kg for powder extracts and 50L for liquid. For buyers looking for organic options, they also produce an organic-certified milk thistle extract (USDA and EU organic compliant) sourced from partner farms in northern Thailand.
Over the years, ThaiHerb has built a loyal customer base in Australia, Canada, and parts of Europe. Their clients often praise their transparent communication and willingness to customize extracts based on specific needs—whether adjusting particle size for powder or concentration for liquid formulations. If you're in the market for a reliable, high-quality milk thistle extract manufacturer with a proven track record, ThaiHerb is a solid starting point.
2. GreenLeaf Manufacturing Thailand (Manufacturer/Wholesaler)
Nestled in the lush hills of Chiang Mai, GreenLeaf Manufacturing Thailand is a name synonymous with sustainable and organic botanical extracts. Established in 2005, GreenLeaf prides itself on "farm-to-extract" transparency—they own and operate a 200-acre farm where they grow milk thistle, along with other herbs like turmeric and ginger. This vertical integration allows them to control every step of the process, from planting non-GMO seeds to extracting the final product.
GreenLeaf's milk thistle extract is a hit among cosmetic and skincare companies, thanks to its high purity and natural sourcing. Their most popular product is a cold-pressed liquid extract, which retains more of the plant's natural antioxidants—perfect for anti-aging serums or liver support tonics. They also offer bulk powder extracts with silymarin levels ranging from 60% to 90%, catering to both nutraceutical and pharmaceutical buyers.
Certifications are a strong suit for GreenLeaf: they hold ISO 9001, GMP, and EU organic certifications, and their facility is regularly audited by international bodies. For wholesalers, they offer competitive pricing on large orders (MOQ 200kg for powder, 100L for liquid) and even provide private labeling services for businesses looking to build their own brand. If sustainability and organic sourcing are top priorities for you, GreenLeaf is hard to beat.
3. Siam Botanicals Trading (Trader/Exporter)
Not every buyer needs to work directly with a manufacturer—and that's where Siam Botanicals Trading comes in. As one of Thailand's leading botanical extract traders, Siam Botanicals acts as a bridge between small to medium-sized buyers and the country's top manufacturers. Founded in 2010, this Bangkok-based company has built a network of over 20 trusted manufacturers, including some on this list, allowing them to offer a wide range of milk thistle extract options at various price points.
What makes Siam Botanicals unique is their flexibility. They cater to buyers with small MOQs (starting at just 10kg for powder extracts) and can source custom formulations, such as standardized silymarin levels or specific particle sizes. They also handle all logistics, from factory pickup to international shipping, making the import process hassle-free for buyers in countries like India, Australia, and Brazil.
Siam Botanicals specializes in wholesale and export, but they also work with startups and small businesses looking to test the market before committing to large orders. Their team of English-speaking customer service reps is known for being responsive and knowledgeable, often providing samples upon request. If you're new to sourcing milk thistle extract or need a one-stop shop for multiple botanical ingredients, Siam Botanicals is an excellent choice.
4. Eastern Extracts Ltd. (Manufacturer)
Located in Rayong, a major industrial hub in eastern Thailand, Eastern Extracts Ltd. is a powerhouse when it comes to pharmaceutical-grade milk thistle extract. Founded in 2002, this ISO 13485-certified manufacturer focuses exclusively on producing extracts for the pharmaceutical and nutraceutical industries, with a strict emphasis on compliance and potency.
Eastern Extracts' milk thistle extract is renowned for its high silymarin content—they offer grades ranging from 80% to 95% silymarin, tested via HPLC (High-Performance Liquid Chromatography) to ensure accuracy. Their production facility is GMP-certified and equipped with advanced extraction technology, including supercritical CO2 extraction, which uses carbon dioxide instead of solvents to produce cleaner, purer extracts.
The company primarily serves large-scale buyers, with MOQs starting at 500kg for bulk powder. They also offer custom packaging, from 25kg drums to 1kg bags, and can provide detailed documentation, including COA (Certificate of Analysis) and MSDS (Material Safety Data Sheet), for every order. If you're a pharmaceutical company or a large supplement brand in need of high-potency milk thistle extract, Eastern Extracts has the infrastructure and expertise to meet your demands.
5. Northern Botanicals Co. (Wholesaler)
For buyers focused on cost-effectiveness without compromising quality, Northern Botanicals Co. is a standout. Based in Chiang Mai, this wholesaler has been supplying bulk milk thistle extract to businesses across Asia since 2012. They don't manufacture their own extracts but instead partner with a ｓｅｌｅｃｔ group of GMP-certified manufacturers in Thailand, allowing them to negotiate lower prices and pass the savings on to customers.
Northern Botanicals specializes in standard-grade milk thistle extract (60-70% silymarin), which is ideal for dietary supplements, animal feed additives, and cosmetic formulations where ultra-high potency isn't required. Their MOQ is 50kg for powder extracts, and they offer flexible payment terms for repeat customers. What customers love most about Northern Botanicals is their reliability—they boast a 98% on-time delivery rate and have a dedicated quality control team that inspects every batch before shipment.
While they don't offer organic or pharmaceutical-grade extracts, Northern Botanicals is a great option for businesses working with tight budgets or needing large quantities of mid-range milk thistle extract. They also stock other botanical extracts, making it easy to bundle orders and save on shipping costs.
6. Thai Natural Ingredients (Manufacturer)
Thai Natural Ingredients is a relative newcomer to the scene, founded in 2015, but they've quickly made a name for themselves with their innovative approach to milk thistle extract. Based in Nakhon Pathom, just outside Bangkok, this manufacturer combines traditional Thai herbal knowledge with modern science to create extracts that are both effective and sustainable.
One of their flagship products is a "dual-action" milk thistle extract, which combines silymarin with other liver-supporting herbs like dandelion and burdock. This pre-formulated blend is popular among supplement brands looking to offer multi-benefit products without the hassle of mixing ingredients. They also produce a pure milk thistle extract with 70% silymarin, available in powder, liquid, and even encapsulated form for small-batch testing.
Thai Natural Ingredients is certified organic by the Thai Organic Certification Center (TOCC) and uses only non-GMO milk thistle seeds sourced from local farmers. They're also committed to sustainability, using solar power in their facility and recycling 90% of their production waste. With MOQs as low as 20kg, they're a great fit for mid-sized brands and startups looking for unique, eco-friendly milk thistle extract options.
7. Bangkok Bulk Extracts (Wholesaler)
As the name suggests, Bangkok Bulk Extracts is all about large-scale supply. This wholesaler, founded in 2009, specializes in providing bulk milk thistle extract to distributors, retailers, and manufacturers across the globe. With a warehouse in Bangkok's Lat Krabang district—one of Thailand's busiest logistics hubs—they can ship orders of up to 10,000kg within 48 hours of payment confirmation.
Bangkok Bulk Extracts sources its milk thistle extract from a network of GMP-certified manufacturers, ensuring consistent quality across batches. Their standard product is a 60% silymarin powder extract, which is competitively priced and ideal for high-volume applications like functional foods, beverages, or animal supplements. They also offer a 80% silymarin grade for more demanding customers, though MOQs for this grade start at 1,000kg.
What sets Bangkok Bulk Extracts apart is their focus on customer service. They assign a dedicated account manager to each client, who handles everything from order placement to after-sales support. They also offer flexible shipping options, including sea, air, and land transport, and can arrange for door-to-door delivery in most countries. If you need a lot of milk thistle extract, and you need it fast, Bangkok Bulk Extracts delivers.
8. Southern Herbal Supplies (Manufacturer/Trader)
Based in Songkhla, a coastal city in southern Thailand, Southern Herbal Supplies brings a unique perspective to milk thistle extract sourcing. While they do manufacture their own extracts, they also import high-quality milk thistle seeds from Europe (where the plant is native) to ensure optimal potency, especially for their premium product lines.
Southern Herbal Supplies offers a range of milk thistle extracts, from standard 60% silymarin powder to organic liquid extracts and even nano-emulsified extracts (which have smaller particle sizes for better absorption). Their nano-emulsified extract is particularly popular in the cosmetic industry, as it penetrates the skin more effectively, making it ideal for anti-aging creams and serums.
The company is GMP and ISO 22000-certified, with a focus on food safety—important for buyers in the food and beverage sector. Their MOQs are reasonable, starting at 25kg for powder and 10L for liquid, and they offer sample sizes (500g) for testing. With a foot in both local and international sourcing, Southern Herbal Supplies is a versatile option for buyers looking for variety in their milk thistle extract options.
9. Thai Pharma Ingredients (Manufacturer)
Thai Pharma Ingredients is a pharmaceutical-focused manufacturer with a reputation for excellence. Located in Pathum Thani, just north of Bangkok, this ISO 9001 and GMP-certified company has been producing high-quality botanical extracts for the global pharmaceutical industry since 2005.
Their milk thistle extract is designed to meet the strictest international standards, including USP (United States Pharmacopeia) and EP (European Pharmacopoeia) monographs. They offer both standardized extracts (80-90% silymarin) and purified silymarin isolates, which are used in prescription medications and high-end nutraceuticals.
Thai Pharma Ingredients' production process is highly controlled, with in-line testing at every stage—from raw material inspection to final packaging. They also invest heavily in research and development, working with universities in Thailand and Europe to improve extraction efficiency and enhance the bioavailability of their extracts. MOQs start at 100kg for standard extracts and 50kg for isolates, and they can accommodate custom specifications for pharmaceutical clients. If you're in the pharmaceutical industry, Thai Pharma Ingredients is a trusted partner with the expertise to meet your regulatory needs.
10. Royal Botanicals Thailand (Exporter/Trader)
Rounding out our list is Royal Botanicals Thailand, an exporter and trader that prides itself on "curating" the best milk thistle extract from Thailand's top manufacturers. Founded in 2013, this Bangkok-based company works with a ｓｅｌｅｃｔ group of 5-7 manufacturers, each chosen for their specialization—whether organic production, high potency, or cost-effectiveness.
Royal Botanicals caters to a global clientele, with a particular focus on small to medium-sized businesses in Australia, Canada, and the Middle East. They offer a "menu" of milk thistle extracts, from budget-friendly 50% silymarin powder to premium organic liquid extracts, with MOQs as low as 5kg for trial orders. They also provide value-added services, such as private labeling, custom packaging, and help with import documentation (like phytosanitary certificates).
What makes Royal Botanicals stand out is their commitment to education. Their website features detailed guides on milk thistle extract, including how to test for quality and what to look for in a supplier, and their team is always happy to answer technical questions. For first-time buyers or businesses new to sourcing from Thailand, Royal Botanicals is a great partner to guide you through the process.
Comparison Table: Top Milk Thistle Extract Suppliers in Thailand
| Supplier Name | Type | Key Products | Certifications | MOQ (Powder) | Special Features |
|---|---|---|---|---|---|
| ThaiHerb Extract Co., Ltd. | Manufacturer | 80-90% silymarin powder/liquid | GMP, ISO 9001, Organic (optional) | 100kg | 20+ years experience, exports to Australia/Canada |
| GreenLeaf Manufacturing Thailand | Manufacturer/Wholesaler | Organic cold-pressed liquid, 60-90% powder | EU Organic, GMP, ISO 9001 | 200kg | Owns 200-acre farm, sustainable sourcing |
| Siam Botanicals Trading | Trader/Exporter | Custom formulations, small MOQs | Varies by manufacturer (GMP, ISO) | 10kg | Handles logistics, English-speaking support |
| Eastern Extracts Ltd. | Manufacturer | 80-95% silymarin pharmaceutical-grade powder | ISO 13485, GMP, HPLC tested | 500kg | Supercritical CO2 extraction, pharma focus |
| Northern Botanicals Co. | Wholesaler | 60-70% silymarin bulk powder | GMP (via partners) | 50kg | Budget-friendly, 98% on-time delivery |
| Thai Natural Ingredients | Manufacturer | Dual-action blend, organic liquid/powder | TOCC Organic, GMP | 20kg | Innovative blends, solar-powered facility |
| Bangkok Bulk Extracts | Wholesaler | 60% silymarin high-volume powder | GMP (via partners) | 500kg | Fast shipping, dedicated account managers |
| Southern Herbal Supplies | Manufacturer/Trader | Nano-emulsified, organic, imported seeds | GMP, ISO 22000 | 25kg | European seed sourcing, cosmetic-grade options |
| Thai Pharma Ingredients | Manufacturer | USP/EP compliant extracts, silymarin isolates | ISO 9001, GMP, R&D focus | 100kg | Pharmaceutical-grade, USP/EP compliant |
| Royal Botanicals Thailand | Exporter/Trader | Curated range (50-90% silymarin) | Varies by manufacturer | 5kg (trial) | Educational resources, first-time buyer support |
Choosing the right milk thistle extract supplier in Thailand depends on your specific needs—whether you're prioritizing organic certifications, bulk pricing, pharmaceutical-grade potency, or small MOQs for testing. The suppliers on this list represent the best of Thailand's botanical extract industry, each bringing unique strengths to the table.
When evaluating a supplier, don't forget to ask for samples and detailed documentation (like COA and MSDS) to verify quality. It's also worth considering factors like communication, shipping times, and flexibility—working with a supplier who understands your business and can adapt to your needs will save you time and stress in the long run.
Thailand's reputation for producing high-quality botanical extracts continues to grow, and with so many reliable suppliers to choose from, there's never been a better time to source milk thistle extract from this vibrant country. Whether you're a small supplement brand or a large pharmaceutical company, the right Thai supplier is out there—you just need to know where to look.
