Vitamin B12

    • Product Name: Vitamin B12
    • Chemical Name (IUPAC): Cyanocob(III)alamin
    • CAS No.: 68-19-9
    • Chemical Formula: C63H88CoN14O14P
    • Form/Physical State: Red Crystalline Powder
    • Factroy Site: Lingwu, Yinchuan, Ningxia, China
    • Price Inquiry: sales2@liwei-chem.com
    • Manufacturer: Anhui Liwei Chemical Co.,Limited
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    Specifications

    HS Code

    794349

    Name Vitamin B12
    Chemical Name Cobalamin
    Formula C63H88CoN14O14P
    Molecular Weight 1355.37 g/mol
    Solubility Water soluble
    Color Red crystalline
    Main Function Supports nerve health and red blood cell formation
    Deficiency Symptoms Anemia, fatigue, neurological issues
    Sources Meat, dairy, eggs, fortified foods
    Recommended Daily Allowance 2.4 micrograms for adults
    Bioavailability High from animal sources
    Storage Site Liver
    Stability Sensitive to light and strong acids
    Absorption Site Ileum (small intestine)
    Form In Supplements Cyanocobalamin or Methylcobalamin

    As an accredited Vitamin B12 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Vitamin B12, 100g, supplied in a sealed amber glass bottle with tamper-evident cap and clear labeling for safe laboratory use.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for Vitamin B12: Typically 10-15 metric tons, packed in fiber drums with inner polyethylene bags, safely palletized.
    Shipping Vitamin B12 should be shipped in tightly sealed containers, protected from light and moisture. The package must be clearly labeled, handled with care, and kept at controlled room temperature. Follow all local and international regulations for chemical transport to ensure safety and product integrity during transit.
    Storage Vitamin B12 should be stored in a tightly sealed container away from light and moisture, ideally at a temperature between 2°C and 8°C (refrigeration). Protect it from excessive heat and strong oxidizing agents. Avoid freezing. Ensure the storage area is clean, dry, and well-ventilated. Always keep out of reach of children and label the container clearly.
    Shelf Life Vitamin B12 typically has a shelf life of 2 to 3 years when stored in a cool, dry, and dark place.
    Application of Vitamin B12

    Applications of Vitamin B12 in Industrial Manufacturing

    Our Vitamin B12 raw material supports specialized formulation, fortification, and biochemical processes across regulated food, pharmaceutical, veterinary, feed, and fermentation production sectors. As an original manufacturer, we ensure strict quality and traceability from synthesis to shipment, aligning with application-specific compliance systems and precise downstream technical needs.

    1. Food and Beverage Fortification

    Major food processors use our crystalline Vitamin B12 for nutritional enrichment in dairy alternatives, breakfast cereals, and functional beverages. Strict dosing during large-scale blending supports declared vitamin content and legal minimum requirements. Our material passes full traceability and heavy metal tests to comply with regional fortification laws. Each batch provides the stability profiles required for thermal processing and shelf-life demands, minimizing loss during bottling, baking, or UHT treatment.

    Industry compliance standards

    • EU Regulation (EC) No 1925/2006 on food fortification
    • 21 CFR 172.345 (US FDA regulation for vitamin fortification)
    • GB 14880-2012 (National Food Safety Standard China)
    • FSSC 22000-certified manufacturing

    Typical usage ratio

    • 2–5 µg per 100 g finished food (varying by food matrix and target declaration level)
    • 0.05–0.1 mg/kg in fortified beverages
    • Adjustment based on overage to compensate for thermal degradation (standard practice: 10–15% overage during blending)

    Downstream process integration

    • Dry blending into premix powders for cereals and bars
    • Direct addition to dairy substitute tanks before pasteurization or UHT treatment
    • Inline dosing for bottling lines of vitamin water
    • Micro-dispersion in granule or tablet compression systems for supplements

    Final product types

    • Fortified plant-based milks
    • Ready-to-eat cereals
    • Meal replacement shakes
    • Vitamin-enriched bottled water

    2. Pharmaceutical Preparation

    Drug manufacturers select pharmaceutical-grade Vitamin B12 for both bulk active pharmaceutical ingredient (API) and direct tableting use. Our raw material meets pharmacopoeial monographs and tight endotoxin specifications. Processing lines use high-precision feeders for blending into granulation or direct compression, ensuring dosage accuracy in oral solid dose production. API processing integrates Vitamin B12 into injectable solutions through aseptic dissolution, sterilization, and fill-finish workflows, subject to 100% sterilization validation.

    Industry compliance standards

    • USP, EP, JP, and CP (monographs for Vitamin B12)
    • ICH Q7 principles for GMP APIs
    • Annex 1 EU GMP for sterile manufacture
    • FDA 21 CFR 210/211 for finished dosage

    Typical usage ratio

    • 50–1000 µg per tablet or capsule (based on local approved dosage forms)
    • 0.1–5 mg/mL for injectable ampoules or vials (as per pharmacopoeial standard)
    • Adjustments based on overage, dissolution rate, and tablet compression yield

    Downstream process integration

    • Blending into tablet or capsule granulation feedstock
    • Dissolution into injectable solution tanks pre-sterilization
    • Use in liquid formulation lines for oral syrups
    • Integration with aseptic fill-finish machines for injectables

    Final product types

    • Oral solid dose vitamin supplements
    • Injectable Vitamin B12 glass ampoules
    • Multivitamin medical syrups
    • Effervescent tablets

    3. Animal Nutrition & Feed Premix

    Premix blenders and feed millers incorporate our Vitamin B12 to support livestock growth and metabolic function, targeting ruminants, poultry, and commercial aquaculture. Quality control teams monitor trace mineral and vitamin balance within complete feeds, while micro-dosing systems achieve uniform distribution at high throughput. Our raw material’s fine powder flow and certified purity minimize mixing errors and ensure batch integrity during pelleting or extrusion.

    Industry compliance standards

    • FAMI-QS code of practice
    • EFSA guidance for nutritional feed additives
    • AACCO/AAFCO definitions for animal feed ingredients
    • ISO 22000 food safety management in feed plants

    Typical usage ratio

    • 10–20 µg/kg in complete feeds for layers or broilers
    • Up to 25 µg/kg in premixes or aquafeed diets (species-specific adjustments)
    • Micro-dosing, often via automated feeders, ensures compliance with animal requirements

    Downstream process integration

    • Weighing and pre-blending with other micronutrients into premix concentrates
    • Addition prior to final mixing stage of compound feed
    • Inclusion in pellet mill conditioning step to protect vitamin stability
    • Injection into extruded fish feed for aquaculture lines

    Final product types

    • Poultry and ruminant premix
    • Complete commercial animal feeds
    • Extruded aquaculture pellets
    • Vitamin-mineral boluses for animal husbandry

    4. Microbial Fermentation Industry

    Industrial fermentation operations employ our Vitamin B12 to stimulate specific microbial pathways during biosynthesis of amino acids and other metabolites. Bioreactor engineers meter the vitamin into nutrient feed to optimize cell growth phases in production of L-glutamate, propionic acid, and select enzyme bioproducts. Precise vitamin dosing adjusts for batch versus fed-batch protocols, and our material’s solubility profile supports consistent distribution in large fermenter tanks.

    Industry compliance standards

    • ISO 9001 quality management for bioprocessing plants
    • Food Chemical Codex for nutrient additives
    • Environmental and microbial residue controls as per local biosafety authority
    • Traceability documentation for microbial-derived food ingredients

    Typical usage ratio

    • 5–50 µg/L in fermentation media depending on process objective
    • Lower end for enzyme production, higher for coenzyme applications
    • Adjusted based on yeast or bacteria species and nutrient influx

    Downstream process integration

    • Vessel charging into fermentation pre-mix tanks
    • Inline feeding during active cell propagation
    • Continuous metering for fed-batch mode in large-scale bioprocessors
    • Recipe formulation for customized microbial substrate

    Final product types

    • Amino acid fermentation products (e.g., L-lysine, L-glutamate)
    • Commercial yeast extracts
    • Industrial enzyme powders
    • Bio-based organic acids

    Free Quote

    Competitive Vitamin B12 prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please contact us at +8615380400285 or mail to sales2@liwei-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615380400285

    Email: sales2@liwei-chem.com

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    Certification & Compliance
    More Introduction

    Vitamin B12: A Closer Look from the Manufacturer’s Perspective

    What Sets Manufacturer-Grade Vitamin B12 Apart

    Producing vitamin B12 isn’t just about sticking to a formula and hitting purity targets. It takes a blend of reliable production know-how, experience in fermentation, and a serious approach to quality control. In our labs and fermenters, we see every step—tracking raw material quality, narrowing bacterial strains for fermentation, all the way to separating and purifying finished cyanocobalamin or methylcobalamin crystals. This means traceability is never a loose promise. We know exactly where each batch begins because, as manufacturers, we select and process every component ourselves. Our vitamin B12 isn’t a mass commodity shuffled around; it reflects choices we’ve made to support end-users who rely on reliable B12 for pharmaceuticals, nutritional supplements, and food fortification.

    Models and Specifications: Why They Matter on the Shop Floor

    Let’s talk forms. The most common commercial form of vitamin B12 is cyanocobalamin, a red, crystalline powder known for its stability through processing and storage. That stability turns into a big asset for manufacturers blending bulk powders for tablets and capsules, and for food processors incorporating the vitamin into energy drinks or cereals. As actual producers, we refine this product down to high-precision specifications—usually 98% or greater purity, and moisture limits kept below 3%. Our chromatography and assay labs run checks that match both pharmacopoeial and food-grade benchmarks.

    Methylcobalamin fills a different role, frequently requested for specialized nutrition products and high-end pharmaceutical preparations. The process to produce it demands even tighter controls. The handling conditions change: less tolerance for temperature swings, greater risk for light-activated degradation. Often, the users of methylcobalamin signal how they want it—micro-encapsulated for stability in liquids, or as a ready-mix powder for direct compounding. We listen to those requests and invest in adapting our lines, because demand from actual clinical or supplement producers pushes us to hit new quality marks.

    We don’t stop at standardized models. Bulk packs, high-activity concentrates, spray-dried powders, compacted granules—each suits a different set of downstream processes. That might sound technical, but for manufacturers mixing huge volumes or needing batch-to-batch reliability, these details become the difference between smooth production and product recalls.

    Production from the Ground Up

    No speculation here—we stick with bacterial fermentation as the base approach for B12. The industry’s learned over the decades that certain Propionibacterium or Pseudomonas strains can ferment sugar-rich broth to produce high concentrations of B12. Yet industrial-scale yields mark more than just optimizing fermentation conditions. Ensuring food safety and eliminating live microbial residues are daily concerns. By developing closed-loop, stainless steel processing and filtration set-ups, we push down contamination risks so B12 intended for infant formula or injectable medicines comes out safe, every time.

    We manage the fine chemistry that follows the main reaction, extracting B12 from dense culture broths. This process roots out biosynthetic impurities without sacrificing crystalline yield. Long experience teaches which resins, pH settings, and temperature profiles actually work. You see, every reprocessing step risks losses, both quantity and quality-wise. With every cycle, skilled operators make fine adjustments—this isn’t a black box that spits out product, it’s hundreds of person-hours on the ground, steering parameters to maximize output.

    Some might picture chemical manufacturing as faceless or robotic. In reality, our teams identify by smell, color, and even texture when a fermentation’s gone off track. This direct involvement—plus constant training and discipline—forms the quiet backbone of our product’s reliability.

    B12 Quality and Consistency: The Manufacturer’s Responsibility

    From our position as handlers of the raw threads, upholding quality certificates makes more sense as a mindset than a marketing point. Meeting internationally recognized standards, like USP, EP, and JP monographs, starts by sourcing the best nutrients and managing bioreactor conditions. We know cutting corners might shave costs short-term, but trace metals, solubility issues, or even residual solvents will haunt product performance down the line.

    We had times in our own production when filter media inadvertently introduced trace ions, showing up in odd coloring or changes in UV absorption. After such lessons, we built in regular equipment validation and cross-lab verifications. On top of that, we keep in close communication with our direct users. If a customer’s compounding line starts to see caking or flow issues, we want to know immediately. These on-the-ground concerns shape how we set batch parameters, and prompt adjustments in granularity or drying protocols.

    Heavy metal checks, microbial purity testing, and stability trials become second nature through experience. For anyone serious about end-user safety, these are more than checkboxes—they are daily habits. Any product failing in these respects never leaves warehouse shelves. It’s real-world accountability, not just paperwork.

    B12 for Pharmaceuticals

    Pharma-grade B12 goes beyond food-grade requirements. Injectable solutions, for example, depend on B12 with minimal endotoxin loads, absolute clarity, and zero residual solvents. We run validatory scale filtration and sterilization for every injectable batch, knowing that patient safety depends on the discipline of every technician and supervisor on our line. Deviation logs get reviewed right away, batches placed under investigation get quarantined before a problem ever reaches the supply chain.

    Local and international health agencies intensify their scrutiny of these high-purity products. Manufacturing B12 for such sensitive applications means adhering to current Good Manufacturing Practices, running full stability studies, and keeping accountability papers tied to employee ID-badges. Our own facilities subject B12 stock solutions to accelerated degradation chambers, mapping out shelf-life predictions that we share openly with our customers. It protects both sides: a hospital pharmacist gets predictable results, and our team builds a reputation for transparency.

    Pharmacists call us directly sometimes, troubleshooting incompatibility between B12 and a new excipient. This isn’t a detached supplier-client transaction; we’re supporting each other to keep medications available and safe. Problems get solved through technical dialog, referencing batch-specific CoAs, and by delegating troubleshooting teams who know both chemistry and real-world application.

    B12 in Food Fortification and Nutrition

    Food application’s demands diverge from pharmaceuticals. Here, solubility, particle size, and handling stability often take front seat. Energy drinks, cereals, and dairy substitutes need B12 that won’t break down or change color under processing. We design batches for rapid dispersion in water, and for mixing into dry powders—two seemingly simple requirements that often challenge even experienced blenders. Control over particle size distribution ends up making or breaking formulation and packaging lines.

    We draw on prior runs in optimizing spray drying, which reduces clumping and speeds mixing, especially for automated high-volume processes. Anywhere food safety authorities require B12 as an added nutrient—infant formula, health drinks, meal replacement powders—we produce to those specs, giving clear batch certificates and facilitating traceability. Working directly with large processors, we adapt packaging sizes and inner liners to minimize contamination risks through transit and storage.

    Nutritional supplement brands also bring their own requests. For chewables or gummies, flow and compressibility become the main concern. Sticking and caking slow down tablet machines, so we work hand-in-hand, adjusting drying times, sifting mesh, or even tweaking binder compatibilities. Being close to the action—standing on those plant floors, not just reading spec sheets—lets us fix bottlenecks quickly.

    Comparing Cyanocobalamin and Methylcobalamin from the Factory’s View

    Many end-users press for a “better” B12, and the answer isn’t always straightforward. Cyanocobalamin remains the workhorse—resistant to light, storage, and heat, which matters all along the supply chain. Its production cost stands lower, and returns less wastage across each large-scale run. Methylcobalamin, on the other hand, warrants extra protection from air and light throughout every production stage, and its yields per fermenter run drop compared to cyanocobalamin.

    What changes in factory reality is the way these materials interact with other ingredients. Cyanocobalamin tolerates mass blending and retains potency over long supply cycles—making it ideal for foods, general supplements, and bulk vitamin premixes. Methylcobalamin’s bioactive form leads to its use in high-end nutraceuticals or specific medical applications, but as manufacturers, we know it complicates matters. Batch yields shrink, shelf life reduces, and we must run extra QC to guarantee stability.

    Our customers ask about B12 analogues, wondering if switching up the core molecule shortens production or lessens quality. We’ve run multiple side-by-side batch comparisons, and, time after time, working with standard cyanocobalamin simplifies logistics and storage for most mass-market applications. If the downstream use requires a “natural” position, or patient groups require only methylcobalamin, we advise on those trade-offs upfront, explaining expected shelf-life and protection requirements so nobody gets surprised by lost potency or processing out-of-specification.

    From Manufacturing to End Use: Problems and Practical Solutions

    Problems can occur at any stage—raw sourcing, fermentation, extraction, or packaging. For example, raw substrate shortages or unexpected microbial shifts during fermentation don’t get solved by purchasing intermediates or outsourcing to bulk traders. Our teams draw from deep process benchwork, adapting recipes, sometimes even modifying bacterial strains or switching nutrients to keep output levels high and cost fluctuations in check.

    Downstream, tablet-makers often relay issues like flow rate slowdowns or powder caking. Our plant specialists visit their lines, observe clumping or dusting first-hand, and respond by adjusting drying and milling steps. We’ll custom-process next batches, even if it means fine-tuning our standard setup, to resolve compression and blending pain points.

    Another common request deals with color stability. Consumers expect vitamin B12 to arrive with a deep, stable red hue, but sometimes subtle color changes signal potential degradation. This usually results from long storage or accidental exposure to sunlight. Once we see these signs, we drill down—verifying storage environment records, reviewing batch light exposure during plant handling, even tracing transport conditions. Sometimes, solutions require reworking packaging specifications, introducing light-barrier films, or switching from clear to opaque containers. All lessons feed forward into the next production plans.

    We also face regulatory surprises. Regulations around heavy metals, GM content, and allowable carriers shift year to year. Meeting those challenges isn’t about hurried adjustments—our compliance teams keep regular watch on code updates and alert production lines to upcoming changes well before new standards kick in. Any time there’s a shift, we rerun documentation, adjust supply routes, and communicate directly with culinary or supplement partners to prep for formula tweaks in advance.

    Our tech support doesn’t just respond when a user files a complaint. We work to anticipate problems by reviewing past trends, listening to formulation labs, and investing in new drying, blending, or encapsulation technology. Every advance gets tested not just in isolation, but by trial on full-size plant equipment. This direct connection—constant dialog with industry users—shapes how we evolve our offers, sometimes faster than standards demand.

    Vitamin B12: Looking Forward and Meeting New Demands

    The move towards vegan, allergen-free, or “clean label” fortification has shifted the goals for many users. Our facility has modified production lines to remove potential animal-based or allergenic processing aids, making sure the resulting vitamin passes even the toughest modern food assessments. One challenge has been ensuring chemical purity when swapping old processing agents for new ones—a process that sometimes took months to perfect as residual traces dropped below accepted limits. Now, food processors and brands using our B12 for vegan or specialty lines benefit from this groundwork.

    We also notice a growing trend for miniature dosing or micro-encapsulation. Supplement manufacturers need B12 to stay potent in high-acid drinks, or in complex, multi-vitamin blends. Our micro-encapsulation technology coats vitamin crystals, reducing exposure and improving shelf life. This sort of investment—time, capital, and knowledge—grows not out of trend chasing, but direct conversations with processors and nutrition scientists who bring the real-world demands back to us. The feedback loop is fast and mission-critical.

    The global nature of the B12 market presents logistical headaches. Temperature fluctuations, delays in customs, or packaging damage during transit all threaten stability. We respond by offering temperature-controlled shipping, reinforced secondary packaging, and simple arrivals tracking direct with customer QA teams at receiving. Losses still happen, but our batch replacements and on-the-ground support keep disruptions down. Clients know they’re partnering with a manufacturer, not an absentee supplier.

    Conclusion: Experience, Accountability, and Collaboration

    Decades on the ground producing vitamin B12 have cemented a practical philosophy. We approach daily work not as a sequence of isolated steps, but as stewardship over a chain of responsibilities that stretches from raw sugar and bacterial culture deep into the heart of hospitals, food brands, and nutrition companies. Accountability isn’t theoretical—if a batch runs out of spec, or if a new law changes limits on trace materials, we adjust, communicate, and solve in real time.

    This isn’t the work of an invisible brand or a logo on a drum; this is the lived reality of chemical manufacturing, shaped by constant dialogue with real users. We build reliability, not just buy it. Our teams live with the consequences of every batch decision, every choice of raw input, and each adjustment in process or packaging. From our facility floor to your production line, vitamin B12 reflects the practical, tested answers forged in daily experience and open problem-solving.