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PURECIUM — Premium B2B Supplement Ingredients Supplier
PURECIUM — Premium B2B Supplement Ingredients Supplier

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PURECIUM — Premium B2B Supplement Ingredients Supplier
PURECIUM — Premium B2B Supplement Ingredients Supplier

PURECIUM

  • HOME
  • PURECIUM
  • INGREDIENTS
  • NEWS
  • CUSTOMIZED
  • QUALITY CONTROL
  • CONTACT
  • …  
    • HOME
    • PURECIUM
    • INGREDIENTS
    • NEWS
    • CUSTOMIZED
    • QUALITY CONTROL
    • CONTACT
PURECIUM — Premium B2B Supplement Ingredients Supplier
  • Vitamin B12 Powder for Energy, Nerve Health and Methylation Formulas

    Fermentation-Derived B12 with Verified 99.8% Purity

    Embodies the essence of pure, high-quality dietary supplement ingredients

  • Vitamin B12 (Methylcobalamin & Cyanocobalamin)

    Energy, Nerve and Methylation Support

    Vitamin B12 powder, fssc22000 certificated

    Vitamin B12

    Purecium Vitamin B12 is a fermentation-derived B2B ingredient supplied as 99.8% methylcobalamin, 99.8% cyanocobalamin and a 1% cyanocobalamin trituration on a food-grade carrier. Produced by microbial fermentation and purified to USP, EP and FCC standards, our cobalamin powders deliver the exact form and potency your label declares, with HPLC assay and full Certificate of Analysis on every batch. Allergen-free, gluten-free, non-GMO and vegan, they are packed in 25 kg drums with a 25 kg minimum order, staged at our US warehouse, and supported by regulatory documentation for distributors, contract manufacturers and supplement brands worldwide.

    Product name: Vitamin B12 (Methylcobalamin / Cyanocobalamin / 1% Trituration)

    Molecular formula: C63H91CoN13O14P (Methyl); C63H88CoN14O14P (Cyano)

    Starting material: Microbial fermentation (bacterial strains)

    Grade: USP / EP / FCC

    Heavy Metals: Conforms to USP/EP

    Pesticide residue: Conforms to USP/EP

    Packing size: 25kg/drum

    CAS#: 13422-55-4 (Methyl); 68-19-9 (Cyano)

    Molecular weight: 1344.38 g/mol (Methyl); 1355.37 g/mol (Cyano)

    Source: Microbial fermentation

    Specification: Methylcobalamin 99.8% / Cyanocobalamin 99.8% / 1% trituration on carrier

    Country of origin: China

    Residual solvent: Conforms to USP/EP

    Allergen free/Gluten-free/Non-GMO/Vegan/Non-Irradiation:

    Vitamin B12 ISO, Kosher, halal, food safety certification

    Vitamin B12 Overview

    Vitamin B12, also known as cobalamin, is a water-soluble B vitamin required for energy-yielding metabolism, red blood cell formation, neurological function and homocysteine metabolism. It is supplied commercially in two principal forms: methylcobalamin (CAS 13422-55-4, molecular formula C63H91CoN13O14P, molecular weight 1344.38 g/mol) and cyanocobalamin (CAS 68-19-9, molecular formula C63H88CoN14O14P, molecular weight 1355.37 g/mol). The two forms share the same corrin-ring core coordinated to a central cobalt atom and differ only in the upper axial ligand, which determines their distinct roles in human metabolism.

    For the dietary supplement industry, vitamin B12 is a core nutrient in energy, cognitive, nerve health, vegan nutrition and healthy-aging products, and it is a mandatory component of B-complex and multivitamin systems. Purecium supplies three specifications on one product line: 99.8% methylcobalamin, 99.8% cyanocobalamin and a 1% cyanocobalamin trituration, sold exclusively as a B2B raw material for distributors, contract manufacturers, private-label producers and finished supplement brands.

    Source & Ingredient Identity

    Purecium Vitamin B12 is produced by microbial fermentation, the same route used for commercial cobalamin worldwide: selected bacterial strains synthesize the corrinoid molecule during fermentation, after which the crude vitamin is extracted, purified by chromatographic steps and crystallized. Cyanocobalamin is the stable, cyano-liganded reference form defined in the USP-NF and European Pharmacopoeia monographs, while methylcobalamin is produced by a controlled methylation step that replaces the cyanide ligand with a methyl group, yielding the coenzyme form that participates directly in the human methylation cycle.

    Three specifications are offered: Methylcobalamin 99.8% (HPLC), Cyanocobalamin 99.8% (HPLC), and a 1% cyanocobalamin trituration where the pure vitamin is blended onto a food-grade carrier for precise dosing at low inclusion rates. All specifications are produced in China, conform to USP, EP and FCC monographs, and are non-irradiated, allergen-free, gluten-free, non-GMO and fully vegan. For B2B buyers, the critical purchasing checks are the form (methyl versus cyano), the assay method on the Certificate of Analysis, and, for the trituration, the declared carrier.

    Key Characteristics of Vitamin B12

    1. Two active forms with distinct biology. Methylcobalamin is the direct coenzyme for methionine synthase and requires no conversion, while cyanocobalamin is the most stable, cost-effective form and is converted to the active coenzymes in the body. Both are recognized by USP-NF and EP monographs, and both are suitable for vegan, fermentation-derived labels.

    2. Verified potency across three specifications. The 99.8% pure forms are assayed by HPLC against reference standards, while the 1% trituration is verified for both label strength and blend uniformity, giving formulators an exact-dosing option for high-potency vitamin levels without weighing microgram quantities.

    3. Light-sensitive but formulation-flexible. Cobalamins degrade under strong light, so the powders are supplied in light-protected packaging and should be protected during blending; in finished tablets, capsules and powders, standard opaque packaging maintains stability. Vitamin B12 has a recognized role in normal energy-yielding metabolism, neurological function, homocysteine metabolism and red blood cell formation, as reflected in EFSA-authorized health claims.

    Vitamin B12 Manufacturing

    The manufacturing process begins with fermentation: bacterial strains are cultivated under controlled conditions to accumulate cobalamin, which is then released from the cells, extracted and purified through chromatographic columns to pharmaceutical-grade purity. For cyanocobalamin, the cyanide ligand is introduced under tightly controlled conditions to form the stable reference molecule; for methylcobalamin, an additional methylation step replaces the cyanide group with a methyl ligand. Both routes conclude with crystallization, drying and assay against the USP-NF and European Pharmacopoeia monographs.

    The 1% trituration is produced by blending 99.8% cyanocobalamin with a food-grade carrier in geometrically staged dilution steps, ensuring uniform distribution of the active at a 1:100 ratio. Every stage is process-controlled, and each finished lot is verified by HPLC before release. Heavy metals, residual solvents, moisture and microbiological results are reported on the batch Certificate of Analysis, and each lot is traceable from fermentation starter culture to finished drum.

    Applications of Vitamin B12

    Energy, nerve health and methylation support are the primary applications of vitamin B12. Mechanistically, cobalamin acts as the coenzyme for two enzymes: methionine synthase, which regenerates methionine from homocysteine in the methylation cycle (with methylcobalamin as the direct coenzyme), and L-methylmalonyl-CoA mutase, which converts methylmalonyl-CoA to succinyl-CoA for energy production and odd-chain fatty acid metabolism. Through these pathways, vitamin B12 contributes to normal energy-yielding metabolism, normal neurological and psychological function, normal homocysteine metabolism, normal red blood cell formation and normal immune function, all of which are recognized by EFSA as authorized claims.

    These mechanisms underpin its classic use in energy and fatigue-management formulas, cognitive and nerve-support products, vegan nutrition lines (where dietary intake is limited to animal-derived foods), B-complex and multivitamin systems, and healthy-aging formulations alongside folic acid. Peer-reviewed research has examined vitamin B12 in homocysteine, cognition, anemia and neural health contexts extensively, and adequate intake levels are established by the FDA and other regulatory agencies. Finished-product claims should always follow the regulations of the destination market.

    Vitamin B12 is compatible with tablets, hard capsules, softgels, powders, sachets, gummies and sublingual formats. The 99.8% forms suit high-potency single-ingredient products and sublingual lozenges, while the 1% trituration is the standard choice for B-complex blends, multivitamins and gummies where microgram-level dosing must be uniform. All three pair naturally with folic acid, iron, vitamin C and other B vitamins.

    Manufacturing & Quality Control

    Purecium Vitamin B12 is produced in facilities operating under ISO 9001 and FSSC 22000 certified quality systems, with Kosher and Halal certification available. Analytical methods follow the current USP-NF and European Pharmacopoeia monographs for cobalamin, and each batch is assayed by HPLC for content, with identification by UV spectrum and, where applicable, confirmation of the methyl versus cyano form. Routine release testing covers identification, assay (99.8% or 1.0% as declared), moisture, heavy metals, residual solvents and microbial limits, with results documented on a batch-specific Certificate of Analysis.

    Because cobalamins are light-sensitive, storage and transport follow light-protected conditions, and each commercial lot is fully traceable from fermentation to finished drum. Alongside the CoA, Purecium provides the specification sheet, SDS, allergen and gluten statements, non-GMO declarations and stability data on request, giving buyers the documentation needed for raw-material approval and finished-product registration.

    Vitamin B12 for B2B Supplement Manufacturing

    Purecium supplies Vitamin B12 exclusively as a B2B raw material for distributors, contract manufacturers, private-label producers and finished supplement brands. The minimum order quantity is 25 kg, and the powders are packed in 25 kg drums with light-protective aluminum-foil inner bags, with samples and full documentation available before commitment.

    For North American customers, inventory is staged at Purecium's US warehouse, enabling pickup or delivery within approximately two days. Global delivery covers Hong Kong, mainland China, the EU and other regions, with export documentation prepared for every shipment. Purecium also supports custom specification selection (methyl or cyano, 99.8% or 1% trituration) and provides technical and regulatory communication to move vitamin B12 from ingredient selection to commercial formulation.

    Reviewed by the Chief Quality Assurance / Regulatory Affairs Specialist at Purecium for technical accuracy and regulatory alignment.

  • Vitamin B12 workshop
    Vitamin B12 packing room
    Vitamin B12 testing
    Vitamin B12 production
    Vitamin B12 factory
    Vitamin B12 workshop
    Vitamin B12 workshop
    Vitamin B12 production
    Vitamin B12 packing room
    Vitamin B12 testing
    Vitamin B12 factory
    Vitamin B12 workshop
  • Vitamin B12 Frequently Asked Questions (FAQ) for B2B Buyers

    Q1. What is vitamin B12 used for in dietary supplements?

    Vitamin B12 (cobalamin) is used in supplements primarily for energy-yielding metabolism, nerve health, red blood cell formation, cognitive function and homocysteine metabolism. As a coenzyme for methionine synthase and L-methylmalonyl-CoA mutase, it supports the methylation cycle and mitochondrial energy production, which is why it is a staple of energy formulas, B-complex blends, multivitamins, vegan nutrition lines and healthy-aging products. EFSA recognizes its contribution to normal energy-yielding metabolism, normal neurological and psychological function, normal homocysteine metabolism, normal red blood cell formation and normal immune function. Purecium supplies 99.8% methylcobalamin, 99.8% cyanocobalamin and a 1% cyanocobalamin trituration as B2B raw materials.

    Q2. What is the difference between methylcobalamin and cyanocobalamin?

    The two forms differ only in the upper axial ligand on the central cobalt atom. Methylcobalamin carries a methyl group and is the direct coenzyme of methionine synthase, so it enters the methylation cycle without conversion; it is also the form naturally present in the human body and in foods. Cyanocobalamin carries a cyanide ligand and is the stable, synthetic reference form defined in the USP-NF and EP monographs; the body converts it to methylcobalamin and adenosylcobalamin after removing the cyanide group. Methylcobalamin is generally preferred for premium, high-activity positioning and is more light-sensitive, while cyanocobalamin offers superior stability and cost efficiency for high-volume blends. Both are accepted by major pharmacopoeias and both are suitable for vegan, fermentation-derived labels.

    Q3. Is the cyanide in cyanocobalamin safe at supplement doses?

    Yes. In cyanocobalamin, the cyanide group is tightly bound as a coordination ligand to the cobalt atom, not free cyanide. At nutritional intake levels, the amount of cyanide released during metabolism is negligible and is rapidly detoxified in the body to thiocyanate, which is excreted in urine. Regulatory agencies including the FDA and EFSA recognize cyanocobalamin as a safe, accepted source of vitamin B12 at authorized intake levels, and it has been used worldwide in supplements, fortified foods and pharmaceuticals for decades. For brands that prefer to avoid the question entirely, methylcobalamin carries no cyanide ligand and is supplied at the same 99.8% purity.

    Q4. Why do you supply a 1% cyanocobalamin trituration?

    The 1% trituration exists to solve a dosing and blending problem. Vitamin B12 is dosed in micrograms — typically 2.4 to 1,000 mcg per serving — which means a pure 99.8% powder is used at extremely low inclusion rates that are difficult to weigh accurately and hard to distribute uniformly in a blend. Diluting 99.8% cyanocobalamin onto a food-grade carrier at a 1:100 ratio creates a powder that can be dosed in grams and blends uniformly in tablets, capsules, gummies and powder mixes. The dilution is performed in geometrically staged steps to guarantee homogeneity, and every lot is verified for both label strength and blend uniformity before release.

    Q5. What is the difference between the 1% trituration and the 99.8% pure forms?

    The 99.8% forms are the undiluted crystalline vitamin, used when a formulator wants maximum potency per gram, such as in high-dose single-ingredient capsules or sublingual lozenges. The 1% trituration contains 1 part cyanocobalamin blended with 99 parts food-grade carrier, so a gram of trituration delivers 10 mg of B12; it is used when the target dose is microgram-level and the formulator needs practical weighing and uniform distribution, as in most B-complex and multivitamin systems. The active chemistry is identical, the carrier is declared on the specification sheet, and both specifications are HPLC-verified. Buyers typically select the 99.8% forms for high-potency products and the 1% trituration for standard blends and gummies.

    Q6. Which form should we choose for a B-complex or multivitamin formula?

    For most B-complex and multivitamin systems, the 1% cyanocobalamin trituration is the practical industry standard: it doses accurately at microgram levels, blends uniformly with the other B vitamins, and is the most stable and cost-efficient form. For premium positioning, many brands switch to 99.8% methylcobalamin to advertise the active coenzyme form and its direct role in the methylation cycle. A common hybrid approach uses methylcobalamin as the labeled hero ingredient in premium lines and cyanocobalamin trituration in value lines. Purecium supplies all three options, so you can match the form to your price point and claim strategy without changing suppliers.

    Q7. What assay methods are used for vitamin B12, and what should I expect on the CoA?

    The pharmacopeial methods for cobalamin are HPLC with UV detection (the current USP-NF and EP approach) and the microbiological assay, which measures microbial growth response. HPLC is the preferred modern method because it is specific, precise and can distinguish related corrinoids. On the Certificate of Analysis you should expect identification (HPLC retention time and UV spectrum), assay results for methylcobalamin or cyanocobalamin (99.8% or 1.0% as declared), moisture, heavy metals, residual solvents, microbial limits, and the production and expiry dates. For the methyl form, the CoA should also confirm the absence of cyanocobalamin conversion by-products. Purecium reports HPLC results on every batch and provides the full CoA with each shipment.

    Q8. How should B12 powders be handled and stored to protect stability?

    Cobalamins, especially methylcobalamin, are sensitive to light, and both forms degrade under prolonged exposure to UV and strong daylight. The powders should be stored in tightly sealed, light-protective original containers in a cool, dry place below 25 degrees Celsius, away from strong light, heat and moisture. During blending and tableting, minimize light exposure and complete the process in a single shift. Finished products should use opaque blister or bottle packaging; clear packaging is not recommended for B12-containing formulas. Under these conditions, shelf life is generally 24 months for cyanocobalamin and 12 to 24 months for methylcobalamin depending on packaging, and the CoA states the production and expiry dates for each lot.

    Q9. Is vitamin B12 vegan and allergen-free?

    Yes. Purecium's vitamin B12 is produced by microbial fermentation with no animal-derived input, making it fully suitable for vegan labeling, and the fermentation organisms are non-GMO. The product contains no major allergens and no gluten, and the manufacturing facility follows allergen-control procedures. Allergen-free, gluten-free, non-GMO and vegan statements are provided with each shipment. This is an important purchasing point because many natural-source vitamins are animal-derived; fermentation-derived B12 is the standard clean-label choice for vegan nutrition lines, and buyers should request the vegan and non-GMO statements per lot for finished-product labeling.

    Q10. What quality documentation should I request when sourcing vitamin B12?

    A professional supplier should provide a current specification sheet, a batch-specific Certificate of Analysis showing identification, HPLC assay, moisture, heavy metals, residual solvents and microbial results, an SDS, allergen and gluten statements, and non-GMO declarations. For B12 specifically, also request the declared form (methyl or cyano), the assay method, and, for the 1% trituration, the carrier identity and content on the spec sheet. Depending on your destination market, also request Kosher and Halal certificates, copies of the ISO 9001 and FSSC 22000 certificates, and stability data for registration. Purecium provides this full documentation set on request for every shipment.

    Q11. What is the MOQ and lead time for vitamin B12 from Purecium?

    The minimum order quantity is 25 kg. The powders are packed in 25 kg drums with light-protective aluminum-foil inner bags, and samples and technical documentation are available before you commit. Standard production lead time is typically 7 to 15 working days after order confirmation, depending on the specification and production schedule, with faster dispatch for stocked items. For North American customers, Purecium holds inventory at its US warehouse, enabling pickup or delivery within approximately two days. Export documentation, including the Certificate of Analysis, packing list and certificate of origin, is prepared for every shipment.

    Q12. How does vitamin B12 work with folic acid and iron in one formula?

    Vitamin B12 and folic acid (vitamin B9) are metabolically interdependent: both are required for the methionine synthase reaction in the methylation cycle, and a deficiency of either elevates homocysteine, a recognized cardiovascular risk marker. Iron supports hemoglobin synthesis and red blood cell formation, where B12 also plays a defined role, so the three are classically co-formulated in energy, anemia-support and healthy-aging products. Formulators should balance the B12 form (methyl or cyano), the folate form (typically L-methylfolate or folic acid) and the iron source for compatibility and absorption, and verify that label claims comply with destination-market regulations. Purecium can supply technical guidance for these combinations.

    Q13. What regulatory status does vitamin B12 have in major markets?

    Vitamin B12 (cyanocobalamin) has GRAS status in the United States for use in foods and is an authorized vitamin for food supplements in the European Union, with EFSA having established an adequate intake of 4 micrograms per day for adults and recognized multiple authorized claims for the nutrient. In the United States, the FDA sets Daily Values and reference intake levels, and cyanocobalamin and methylcobalamin are both accepted as dietary ingredients. Other markets apply their own rules, and permitted dosage levels and claim wording differ between jurisdictions. B2B buyers should verify per-market requirements before finalizing label strength. Purecium provides regulatory-support documents to assist with submissions.

    Q14. Can vitamin B12 be used in gummies, sublingual and liquid formats?

    Yes, with formulation care. The 1% trituration on a food-grade carrier blends well into gummies and powder mixes, while the 99.8% forms are suited to sublingual lozenges and tablets where high potency per unit is desired. For liquid and spray formats, cyanocobalamin has better water solubility and stability than methylcobalamin, which is why most liquid B12 products use cyanocobalamin or a mix; methylcobalamin can also be used where a solubilized, stabilized system is developed. Because B12 is light-sensitive, opaque packaging is recommended in all formats. Purecium's technical team can advise on form selection for your specific dosage format and can supply stability data for registration.

    Q15. Why should we source vitamin B12 from Purecium?

    Purecium supplies Vitamin B12 as a B2B raw material for distributors, contract manufacturers, private-label producers and supplement brands, offering all three commercial specifications — 99.8% methylcobalamin, 99.8% cyanocobalamin and 1% cyanocobalamin trituration — under one product line and one quality system. Every batch is HPLC-assayed and ships with a full Certificate of Analysis, SDS and supporting documentation, and all specifications are fermentation-derived, vegan and produced to USP, EP and FCC standards. The minimum order is 25 kg, inventory is staged at our US warehouse for two-day pickup, and global delivery covers Hong Kong, mainland China, the EU and beyond. For long-term supply relationships, Purecium provides consistent quality, batch traceability, regulatory documents and direct technical communication rather than one-off spot pricing.

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    PURECIUM LIMITED|B2B Vitamin & Nutraceutical Ingredients Supplier
    PURECIUM LIMITED is a global B2B supplier of premium dietary supplement ingredients. Specializing in vitamins, amino acids, herbal extracts, minerals, and finished dosage forms including softgels, hard capsules, tablets, powders, gummies, and liposomal formulations. 15+ years of industry expertise with GMP-certified manufacturing and global logistics from Hong Kong, United States, and European Union. PURE BY NATURE.
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