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Lactoferrin 146897-68-9 Purity≥95% Research Grade

Other Names: Lactotransferrin; Bovine Lactoferrin; Milk Lactoferrin; Lf; Lactoferricin B; Talalactoferrin 

CAS: 146897-68-9

MF: C₁₄₁H₂₂₄N₄₆O₂₉S₃ 

MW: 3123.77 g/mol (protein specific) / Approx. 80-90 kDa (glycoprotein) 

Packaging specifications: 100g, 1kg, 25kg, 100kg (We can provide various packaging sizes for different customers.)

Appearance: Light red to pink fine powder / White to off-white powder 

Purity: ≥92% - ≥95% 

Solubility: Soluble in H₂O (10 mg / mL) 

Storage: Store at 2-8°C (refrigerate); Keep away from moisture; Protect from light 

Origin: China

    Lactoferrin (CAS: 146897-68-9) – Main Applications

    Lactoferrin is a multifunctional iron-binding glycoprotein naturally found in milk, colostrum, and various biological fluids. It plays an important role in the body's natural defense system and is widely studied for its potential benefits related to immune support, antimicrobial activity, and gut health. Due to these biological functions, lactoferrin has become a valuable ingredient in the nutraceutical, dietary supplement, infant nutrition, and functional food industries. As consumer awareness of immune health and nutritional wellness continues to grow, lactoferrin is increasingly used in immune support supplements, digestive health products, and advanced nutritional formulations.

    Immune System Support

    One of the most important applications of lactoferrin is in immune health supplements. Lactoferrin plays a role in supporting the body's natural defense mechanisms by helping regulate immune responses and maintaining microbial balance. Because of these properties, lactoferrin is widely used in immune support products, wellness supplements, and preventive health formulations designed to help maintain overall immune function.

    Antimicrobial and Antibacterial Applications

    Lactoferrin is known for its natural antimicrobial properties, which may help inhibit the growth of certain bacteria and microorganisms by binding iron, an essential nutrient for microbial growth. This unique function has led to its use in nutritional supplements and functional foods designed to support microbial balance and overall health.

    Gut Health and Digestive Support

    Lactoferrin is also commonly used in products targeting digestive health and gut microbiota balance. Research suggests that lactoferrin may help support intestinal health and promote a balanced digestive environment. As a result, lactoferrin is frequently incorporated into gut health supplements, digestive support formulas, and probiotic blends.

    Infant Nutrition and Dairy-Based Products

    Another important application of lactoferrin is in infant nutrition and dairy-based nutritional products. Lactoferrin is naturally present in human colostrum and breast milk, which has led to its inclusion in infant formula, pediatric nutritional products, and specialized dairy supplements designed to support early-life nutrition and immune development.

    Nutraceutical and Functional Food Applications

    Due to its biological importance and nutritional benefits, lactoferrin is widely used in the nutraceutical and functional food industries. It can be formulated into capsules, tablets, powders, sachets, and functional beverages intended to support immune health, digestive balance, and overall wellness. Many manufacturers incorporate lactoferrin into products targeting daily nutritional support and health maintenance.

    Research and Pharmaceutical Development

    Beyond commercial applications, lactoferrin is widely studied in biomedical and pharmaceutical research. Scientists continue to explore its potential roles in immune modulation, microbial regulation, and nutritional science. Because of its multifunctional biological properties, lactoferrin remains an important compound for life science research and advanced nutritional product development.

    With the rapid growth of the global immune health and nutritional supplement market, lactoferrin has become a highly valued ingredient in modern wellness products. Its natural origin, scientific relevance, and wide range of applications make lactoferrin an essential compound for dietary supplement manufacturers, nutraceutical brands, and functional food developers worldwide.

    Our Supply & Service Advantages

    As a trusted Chinese supplier of nutritional supplement raw materials, we are committed to providing global customers with comprehensive support ranging from products to services:

    Stable Supply, Consistent Quality: Leveraging robust Chinese manufacturing resources, we ensure stable delivery of bulk orders with consistent quality across all batches.

    Strong Price Competitiveness: Our factory-direct supply system eliminates intermediary costs, offering you highly competitive prices in the market.

    Quality Assurance, Fully Traceable: We implement strict quality control systems and provide complete documentation, including Certificates of Analysis (CoA), heavy metal and microbiological test reports.

    Flexible Packaging, Custom Services: We offer diverse packaging options (such as 1kg aluminum foil bags and 25kg fiber drums) and can meet customization needs including OEM and private label services.

    Global Logistics, Efficient Delivery: Through close partnerships with internationally renowned logistics companies (DHL, FedEx) and major air/sea carriers, we ensure safe and rapid delivery to your destination.

    Experienced Export Expertise: We focus on serving global distributors and manufacturers, with extensive international export experience that allows us to handle complex export procedures, making cooperation hassle-free.



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      We provide COA (Certificate of Analysis) for each batch. Third-party testing is welcome

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