Magnesium Stearate 0.25–2% Suppliers & Bulk Manufacturers
Available Forms: Powder
Available Strengths: 0.25–2%
Reference Brands: Generic formulations
Category: Pharmaceutical Excipients
Magnesium stearate is the most widely used lubricant excipient in tablet and capsule manufacturing, typically at 0.25–2% of the blend, to stop powder sticking to punches and dies. Pharmaceutical grades meet USP-NF, Ph. Eur. and JP monographs, and vegetable-source grades are available. PharmaTradz sources it for formulators with CoA, monograph compliance and TSE/BSE statements.
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Product Description:
Magnesium stearate is a metal-organic compound and a salt of magnesium and stearic acid, with the chemical formula (C17H35CO2)2Mg. Classified as a metallic soap, it is a magnesium derivative of a fatty acid and appears as a fine, white, water-insoluble powder. Its unique properties, including softness, low toxicity, and insolubility in most solvents, make it highly versatile in pharmaceutical and cosmetic manufacturing.
In the pharmaceutical industry, magnesium stearate is primarily used as a lubricant and flow agent in tablet and capsule production. It helps prevent ingredients from sticking to manufacturing equipment, reduces friction during compression, and ensures uniform powder flow during granulation and tablet formation. By acting as a release agent, it also improves tablet surface smoothness and facilitates efficient production at high speeds.
Beyond pharmaceuticals, magnesium stearate is widely utilized in cosmetic and nutraceutical formulations to enhance texture, prevent caking, and maintain stability. Its safety, compatibility with a wide range of active ingredients and excipients, and multifunctional properties make magnesium stearate an essential excipient in modern tablet, capsule, and topical product manufacturing.
Magnesium Stearate — third party manufacturing & bulk supply
Magnesium Stearate 0.25–2% is available through PharmaTradz for wholesale and bulk supply as well as on a third party (contract) manufacturing basis. Buyers sourcing this product generally take one of three routes:
Indicative minimum order quantity
Magnesium Stearate is supplied as Powder — a dosage form priced by order value, so the indicative MOQ is a minimum order value of USD 5,000 per product. Actual MOQ is confirmed by the allocated manufacturer against your pack presentation and destination market. See full supply terms for dossier formats, market availability and shelf life.
Manufacturers of Magnesium Stearate listed on PharmaTradz hold site-level approvals across WHO-GMP, EU-GMP, USFDA, ANVISA and TGA, verified at onboarding.
Request a quote for Magnesium Stearate →Usually answered within 48 hours, with matched manufacturers, indicative prices and document status.
Frequently Asked Questions
Magnesium stearate is used as a pharmaceutical lubricant to reduce friction between the tablet or capsule and the machinery during manufacturing, preventing sticking, capping, and picking. It also improves powder flow during granulation and compression.
Magnesium stearate is a magnesium salt of stearic acid, a fatty acid derived from vegetable or animal fats.
Common trade names include PRUV®, E-Mag®, DCL® Magnesium Stearate, and GMS grades.
Magnesium stearate is manufactured by companies such as PMC Biogenix, Peter Greven, DCL Corporation, and other global excipient producers.
The generic name is Magnesium Stearate.
Examples of brand names include PRUV®, E-Mag®, and DCL® Magnesium Stearate.
Magnesium stearate is manufactured in excipient production facilities across the United States, Germany, India, China, and other regions supplying the global pharmaceutical industry.
Too much, or too long blending, coats the particles and can slow tablet disintegration and dissolution and reduce tablet hardness. Most formulas use 0.25–1%.
Yes. Plant-derived grades (from palm or other vegetable stearic acid) are available for halal, kosher or animal-free products, with TSE/BSE-free statements.
Compliance with Ph. Eur., USP-NF and JP, specific surface area and particle size (which affect lubrication), and the stearate/palmitate ratio.
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