The Global Pharmaceutical Grade Bentonite Market was valued at USD 150 Million in 2022 and is projected to reach USD 280 Million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 8.1% during the forecast period (2023–2030). This growth is being driven by the expanding pharmaceutical industry, increasing demand for natural excipients in drug formulations, and stricter regulatory standards for high-purity materials in ointments, oral suspensions, and desiccants.

As the pharmaceutical sector advances toward cleaner, more sustainable ingredients, the focus turns to specialized suppliers who ensure exceptional purity, consistency, and compliance with global standards like USP and EP. In this blog, we profile the Top 10 Companies in the Pharmaceutical Grade Bentonite Industry—a blend of mining giants, chemical innovators, and specialized processors advancing natural clay solutions for healthcare applications.

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🔟 1. Minerals Technologies (AMCOL)

Headquarters: New York, New York, USA
Key Offering: Pharmaceutical-grade sodium and calcium bentonite for excipients and desiccants

Minerals Technologies, through its AMCOL Health & Wellness Solutions division, stands as a premier provider of high-purity bentonite tailored for pharmaceutical use. Their products meet stringent FDA and USP requirements, serving formulations in topical creams, suspensions, and tablet coatings worldwide. With decades of expertise in clay processing, they emphasize advanced purification techniques to deliver consistent performance in drug delivery systems.

Sustainability Initiatives:

• Investment in GMP-certified facilities for pharma-grade production

• Partnerships with global pharma firms to develop custom excipient solutions

• Commitment to sustainable mining practices, including water recycling and land reclamation

Download FREE Sample Report: Pharmaceutical Grade Bentonite Market – View in Detailed Research Report

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9️⃣ 2. Bentonite Performance Minerals LLC

Headquarters: Houston, Texas, USA
Key Offering: High-purity bentonite clays for pharmaceutical ointments and suspensions

Bentonite Performance Minerals, a subsidiary of Halliburton, excels in mining and refining premium bentonite deposits, particularly from Wyoming’s rich reserves. Their pharmaceutical-grade offerings are widely used in dermal applications and as suspending agents, thanks to the natural swelling properties and low heavy metal content of their products. Operating across North America and beyond, they supply consistent, traceable materials to support drug stability and bioavailability.

Sustainability Initiatives:

• Advanced micronization processes to enhance purity for sensitive formulations

• Collaboration with regulatory bodies to ensure compliance with pharmacopeial standards

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8️⃣ 3. Clariant AG

Headquarters: Basel, Switzerland
Key Offering: Purified bentonite for pharmaceutical desiccants and excipient

Clariant is a global leader in specialty chemicals, with a strong portfolio in pharmaceutical excipients derived from bentonite. Their products, such as activated clays, are essential for moisture control in packaging and as binders in oral medications. Leveraging European manufacturing expertise, Clariant focuses on innovation to meet the rising need for hypoallergenic, natural alternatives in dermatological and gastrointestinal treatments.

Sustainability Initiatives:

• Development of eco-friendly purification methods reducing solvent use

• Supply chain transparency through blockchain for traceability in pharma applications

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7️⃣ 4. Ashapura Group

Headquarters: Mumbai, Maharashtra, India
Key Offering: Pharmaceutical-grade calcium bentonite for ointments and tablets

Ashapura Group, one of India’s largest bentonite producers, supplies high-quality pharma-grade clays processed to pharmaceutical specifications. Their offerings support the booming Asian pharmaceutical market, providing absorbent materials for wound care products and anti-diarrheal suspensions. With integrated mining and processing, they ensure cost-effective, reliable supply to generic drug manufacturers globally.

Sustainability Initiatives:

• Expansion of ISO-certified labs for microbial and impurity testing

• Reforestation programs around mining sites to promote environmental stewardship

Download FREE Sample Report: Pharmaceutical Grade Bentonite Market – View in Detailed Research Report

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6️⃣ 5. Chang’an Renheng Industrial Co., Ltd.

Headquarters: Xi’an, Shaanxi, China
Key Offering: Sodium bentonite for pharmaceutical oral suspensions and desiccants

Chang’an Renheng specializes in bentonite extraction and refinement, catering to the pharmaceutical needs of China’s vast healthcare sector and exporting to international markets. Their pharma-grade products are prized for their thixotropic properties, ideal for stable suspensions and viscosity control in liquid medicines. The company’s focus on large-scale production enables them to meet the demands of both branded and over-the-counter formulations.

Sustainability Initiatives:

• Adoption of HACCP standards for food and pharma-grade processing

• Energy-efficient drying technologies to lower carbon footprint in production

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5️⃣ 6. Ningcheng Tianyu Bentonite Technology Co., Ltd.

Headquarters: Chifeng, Inner Mongolia, China
Key Offering: Ultra-pure bentonite for pharmaceutical applications and binders

Ningcheng Tianyu is renowned for its advanced bentonite processing technologies, producing pharmaceutical-grade materials that comply with international purity norms. Their clays are integral to tablet disintegration and as desiccants in blister packaging, supporting the integrity of sensitive medications. Drawing from abundant local deposits, they prioritize quality control to serve growing markets in Asia-Pacific and Europe.

Sustainability Initiatives:

• Current production capacity exceeding 50,000 tons annually for pharma uses

• Target to increase sustainable sourcing to 70% by 2026 through certified suppliers

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4️⃣ 7. Inner Mongolia Longqing Bentonite Technology Co., Ltd.

Headquarters: Baotou, Inner Mongolia, China
Key Offering: Pharmaceutical-grade bentonite powders for ointments and suspensions

Inner Mongolia Longqing leverages its strategic location in one of the world’s largest bentonite reserves to produce high-grade clays for pharmaceutical use. Their products excel in adsorption capabilities, making them suitable for detoxifying agents and topical treatments. The company has expanded its footprint by forming alliances with Indian and European pharma companies, ensuring reliable global distribution.

Sustainability Initiatives:

• Implementation of clean room processing for reduced contamination risks

• R&D into organic bentonite variants for enhanced biocompatibility

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3️⃣ 8. Imerys S.A.

Headquarters: Paris, France
Key Offering: Purified bentonite for pharmaceutical excipients and desiccants

Imerys, a multinational minerals company, offers a comprehensive range of pharmaceutical-grade bentonites refined to meet EP and USP monographs. Their expertise in fine particle sizing supports applications in controlled-release formulations and as rheology modifiers in creams. With operations spanning multiple continents, Imerys drives innovation in natural functional additives for the evolving pharma landscape.

Sustainability Initiatives:

• Indigenous research into low-impurity clays for injectable suspensions

• Global partnerships for circular economy practices in mineral utilization

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2️⃣ 9. Wyo-Ben Inc.

Headquarters: Billings, Montana, USA
Key Offering: High-swelling sodium bentonite for pharma-grade ointments and binders

Wyo-Ben Inc. is a key player in the American bentonite sector, specializing in pharma-compliant clays that provide superior gelling and suspending properties. Their products are essential in veterinary pharmaceuticals and human dermal applications, backed by rigorous testing for microbial safety and heavy metal limits. The company’s commitment to vertical integration from mine to market ensures unwavering quality and supply stability.

Sustainability Initiatives:

• Aims for 100% traceability in supply chains by 2025

• Major expansion in renewable energy use for processing facilities

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1️⃣ 10. Black Hills Bentonite LLC

Headquarters: Mills, Wyoming, USA
Key Offering: Premium pharmaceutical bentonite for oral suspensions and desiccants

Black Hills Bentonite leads with its focus on Wyoming-sourced, high-purity clays processed for pharmaceutical excellence. They specialize in desiccants that protect moisture-sensitive drugs and excipients for uniform drug dispersion in liquids. Supporting thousands of healthcare providers and manufacturers, Black Hills excels in logistics and customization to meet diverse formulation needs across the globe.

Sustainability Initiatives:

• End-to-end solutions including custom blending for specific pharma requirements

• Strategic collaborations with universities for next-gen bentonite applications

Get Full Report Here: Pharmaceutical Grade Bentonite Market – View in Detailed Research Report

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🌍 Outlook: The Future of Pharmaceutical Grade Bentonite Is Purer and More Sustainable

The pharmaceutical grade bentonite market is undergoing a dynamic shift. While traditional synthetic excipients still dominate, the industry is investing heavily in natural, high-purity alternatives, advanced processing technologies, and sustainable supply chains. This evolution reflects broader priorities in healthcare, where bentonite’s colloidal properties make it essential for drug delivery innovations. Regulatory demands for clean-label ingredients are pushing companies to enhance bioavailability, cut impurities, and reduce environmental impact, with emerging markets in Asia and Latin America driving further demand amid challenges like supply consistency.

📈 Key Trends Shaping the Market:

• Accelerated adoption of GMP and ISO certifications across global suppliers

• Regulatory mandates for natural excipients in 5-15% of formulations by 2030

• Digital integration for real-time purity monitoring and supply forecasting

• Collaborations between miners, processors, and pharma giants for co-developed solutions

Get Full Report Here: Pharmaceutical Grade Bentonite Market – View in Detailed Research Report

The companies listed above are not only supplying essential materials for pharmaceuticals—they’re spearheading the natural revolution in healthcare.