Vitamin K3 Powder
2.Appearance:White powder
3.Specification: 99%
4.Packing Specification: 12kg/drum, 27 drums/tray
5.Delivery: 3-7working days
6.Certification: cGMP,KOSHER,HALAL,BRC,ORGANIC,ISO9001,ISO22000 etc.
7.Main Market: North America, Europe, Switzerland, South Africa, Southeast Asia, Australia, etc.
Premium Vitamin K3 Powder - Professional Manufacturer & Supplier
We are a professional manufacturer with more than 20 years of experience. We provide great value with our 100,000-level purification workshops and comprehensive quality control systems. Our Vitamin K3 Powder is a business booster with assurance of 99% purity, strict compliance with international standards like cGMP, HALAL, KOSHER & ISO22000 Certifications and fast delivery in 3-7 working days. Each batch is guaranteed to be up to pharmaceutical-grade standards, thanks to our SGS-certified lab and professor-level R&D staff. Whether you’re developing animal feed additives or nutritional supplements, our secure supply chain and technical support provide you with competitive advantages in product efficacy, regulatory compliance and market confidence.
Product Introduction
Vitamin K3 or Menadione as it is formally known is a synthetic fat-soluble vitamin precursor widely used in the pharmaceutical and animal nutrition sectors. This high grade white crystalline powder has exceptional flowability and stability qualities that are critical for downstream processing applications. Through our production method we achieve a molecular purity of over 99% which is excellent for integration into premix formulations, medicated feeds and veterinary pharmaceutical preparations. Menadione powder has better bioavailability than natural sources of vitamin K, and is readily converted to biologically active menaquinone forms, therefore supporting the essential blood coagulation processes and bone metabolic pathways in target species.
Third-Party Test Report
Independent Laboratory Verification: Our product is tested by internationally recognised institutions such as SGS and Eurofins for full third-party testing to assure transparent quality assurance.
Pesticide Residue Analysis: Multi-residue screening for over 500 pesticide chemicals performed to EU Regulation 396/2005 and USDA organic standards with findings consistently below detection limits of 0.01 ppm.

Vitamin MSB 96 Specification
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Product Name
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Vitamin K3(Menadione Sodium Bisulfite)
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Shelf Life
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2 years
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Item
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MSB 96%
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MSB 98%
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Description
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White Crystalline Powder
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White Crystalline Powder
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Assay
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≥96.0%
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≥98.0%
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Menadione
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≥50.0%
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≥51.0%
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Water Content
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≤12.5%
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≤12.5%
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NaHSO3
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≤5.0%
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≤5.0%
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Heavy Metals
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≤0.002%
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≤0.002%
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Arsenic
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≤0.0002%
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≤0.0002%
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Solution Color
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No.4 of yellow and greenstandardcolorimetricsolution
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No.4 of yellow andgreenstandardcolorimetricsolution
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Vitamin K3 MNB96
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Product Name
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Vitamin K3(Menadione Nicotinamide Bisulfite)
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Shelf Life
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2 years
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Item
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Specification
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Result
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Description
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White or yellowish crystalline powder
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Yellowish crystalline powder
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Menadione
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≥44.0%
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44.6%
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Water Content
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≤1.2%
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0.4%
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Nicotinamide
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≥31.2%
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31.5%
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Heavy Metals (as Pb)
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≤20ppm
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1.2ppm
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Arsenic
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≤2ppm
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0.5ppm
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Chromium
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≤120ppm
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85ppm
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Solution Color
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No.4 of yellow and green standard colorimetric solution
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Meets Requirement
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Please contact us to get COA and more vitamin series product: duke@hongdaherb.com
Vitamin K3 Powder Advantages
Superior Bioconversion Efficiency: Our pharmaceutical-grade menadione exhibits higher metabolic conversion efficiency to active menaquinone-4 (MK-4) ensuring optimal therapeutic benefits in coagulation and bone health applications at lower inclusion rates compared to lesser grades.
Improved Storage Stability: Advanced crystallisation process generates homogeneous particle morphology resistant to oxidative degradation, with >98% potency after 24 months storage under specified circumstances (cold, dry, away from light), thus decreasing waste and reformulation costs.
Excellent Flowability: Particle size distribution controlled (95% passing 80 mesh) leads to consistent metering accuracy in automated dosing systems, no segregation in premix operations and homogenous distribution in final formulations.
Vitamin K3 Powder Application
Animal Nutrition & Feed Industry : Widely used in the feed of poultry, swine and aquaculture in a range of 1-5mg/kg. Vitamin K shortage results in deficiency of blood clotting factors (II, VII, IX, X) which is essential, especially in the rapid growth period and stress situations.
Pet Food Formulations : Our Vtamin K3 Menadione powderis used in premium companion animal meals to enhance bone mineralisation and to avoid hemorrhagic diseases. Recommended doses are 0.5-2.0 mg per kilogram body weight, depending on species-specific needs and lifecycle stage.
Veterinary Pharmaceuticals: Active Pharmaceutical Ingredient (API) in injectable solutions and oral tablets for therapeutic intervention in cases of anticoagulant poisoning, hepatic dysfunction or malabsorption disorders needing rapid vitamin K replenishment.
Production Process
Step 1 - Raw Material Selection: Pharmaceutical precursor chemicals are subject to incoming quality verification, including identification confirmation by infrared spectroscopy and purity determination by HPLC, with only those materials that fulfil purity thresholds of >99.5% proceeding to synthesis.
Step 2 - Controlled Synthesis: Menadione is synthesised by proprietary catalytic oxidation under carefully controlled temperature (±2°C) and pH (±0.1 units) in stainless-steel reactors with real-time process analytical technologies.
Step 3 - Crystallisation & Purification: The reaction mixture is cooled under controlled conditions and crystallised in a solvent. Crystals are separated by centrifugation and washed many times to eliminate any remaining catalysts or substrates that did not react.
Step 4 - Micronization & Standardisation: Purified crystals are passed through jet-milling equipment for the purpose of achieving consistent particle size distribution and then combined in V-type mixers for uniformity prior to Quality Release Testing.
Step 5 - Quality Verification & Packaging: Each batch goes through full analytical testing based on USP/EP monographs before being aseptically filled into pharmaceutical-grade PE bags in fibre drums, nitrogen-flushed and sealed in verified cleanroom environment.
Why Choose Us?
You deserve a partner who knows quality consistency affects brand reputation. its 20,000-square-meter facility has specialised production lines to prevent cross-contamination, and its 3,000-ton yearly capacity ensures supply continuity during peak seasonal needs. We respond quickly to technical enquiries and bespoke specification requests since we control the value chain from synthesis to packaging, unlike trade businesses. Multiple national patents have been granted to our professor-led R&D team, enhancing manufacturing efficiency and product performance. We serve North American, European, and Asia-Pacific markets with cGMP, FSSC22000, and organic certifications and significant regulatory approvals.

OEM / ODM Support
Custom Formulation Development: Our seasoned R&D team works with you to create proprietary blends with Vitamin K3 Powder and complementary nutrients, offering full technical dossiers with stability studies and compatibility testing tailored to your specific application needs.
Flexible Packaging Solutions: We provide a range of unique packaging formats, including 1kg foil bags for sample and 500kg intermediate bulk containers for high-volume operations, as well as our conventional 12kg barrels, all labelled with your branding specifications and regulatory-compliant information.

FAQ
Q: What is the difference between Vitamin K3 (Menadione) and K1/K2 forms?
A: K3 is a synthetic provitamin that is converted in vivo to active menaquinone forms. It has the advantages of cost and stability over the natural forms K1 (phylloquinone) and K2 (menaquinones). K3 is generally permitted for animal nutrition, however approval for use in human food differs between regions, with certain limitations for high-dose toxicity.
Q: How does the product behave during pelleting or extrusion?
A: Our product has very good thermal stability and retains >95% potency through normal feed pelleting operations that reach temperatures of 80-90°C. For more demanding conditions such as extrusion cooking (>120°C), we recommend using 10-15% overages or consulting on microencapsulated forms for extra protection.
Q: How should we store the product to maximize shelf life?
A: Store in the original sealed containers in a cold (<25°C) and dry (RH <60%) place away from direct sunlight. The product is quite stable but oxidation will be hastened by extended exposure to light, heat and moisture. Shelf life 24 months from date of manufacture under proper storage conditions.
Ready to elevate your formulation with premium-grade Vitamin K3 Powder?
Email: duke@hongdaherb.com















