White magnesium gluconate powder for bulk supplement manufacturing

Magnesium Gluconate Powder

Magnesium Gluconate Powder is a white to off-white mineral ingredient for capsules, tablets, sachets, gummies and premixes. Essencefield supplies 80-mesh or project-specific material with 25 kg bulk packing, 25–100 kg MOQ and typical 7–15-day lead time, supported by samples, batch documents, formulation review and export logistics for supplement brands, manufacturers, importers and distributors in worldwide B2B programs.

Top Key Specs

ItemTypical B2B Specification
Product NameMagnesium Gluconate Powder
Common NamesMagnesium gluconate, magnesium D-gluconate, gluconic acid magnesium salt
GradeFood or supplement ingredient grade, confirmed per application and destination market
AppearanceWhite to off-white crystalline or fine powder
AssayTested per the approved specification
Elemental MagnesiumReported or calculated on the applicable batch basis when required
Particle Size80 mesh typical or agreed project-specific particle size
SolubilityWater-compatible; confirm performance in the finished formula
MoistureControlled to support flowability, storage stability and caking resistance
pHTested at a defined solution concentration when included in the specification
Bulk DensityReported for filling or tableting projects
Shelf LifeTypically 24 months in unopened original packaging
OriginChina or project-confirmed manufacturing origin

Select the specification according to assay, magnesium reporting, particle size, dosage format, processing conditions and destination-market requirements.

Typical COA Limits

CategoryTest ItemTypical Control
PhysicalAppearanceWhite to off-white powder
IdentityIdentificationConforms to the approved analytical method
ChemicalAssayPer the approved specification
ChemicalElemental MagnesiumReported or calculated when required
PhysicalLoss on DryingPer the approved moisture limit
PhysicalParticle Size80 mesh typical or agreed requirement
ChemicalpHTested at a defined solution concentration
ChemicalChloride / SulfateAvailable as process-related ion checks
Heavy MetalsLeadPer the approved specification or destination-market requirement
Heavy MetalsArsenicPer the approved specification or destination-market requirement
Heavy MetalsCadmiumPer the approved specification or destination-market requirement
Heavy MetalsMercuryPer the approved specification or destination-market requirement
MicrobiologyTotal Plate CountPer the approved specification
MicrobiologyYeast and MoldPer the approved specification
PathogensE. coli / SalmonellaNegative under the agreed test scope

Each commercial batch should be released against an approved specification covering identity, assay, elemental magnesium reporting, moisture, particle size, relevant process impurities, heavy metals and microbiology. Appearance alone cannot confirm ingredient identity or magnesium contribution, and a generic theoretical percentage should not replace the result reported for the supplied lot.

Formulation and label calculations should use the reporting basis stated on the applicable batch COA because assay and moisture may affect the quantity required to achieve a defined elemental magnesium target. For repeat orders, compare application-critical results with previously approved batches and confirm that test names, analytical methods and reporting units remain consistent across the specification, COA and formulation records. Optional testing, including flowability, solution behavior, additional pathogens or third-party verification, should be selected according to dosage format, destination market and buyer risk assessment. Buyers should approve the final testing scope before sample evaluation or commercial ordering to avoid differences between quotation requirements, production controls and finished-product release criteria.

Features & Benefits

  • Assay and magnesium reporting: Supports formulation calculations, label review and QA release.
  • Controlled moisture and particle size: Supports blending, filling, compression and storage performance.
  • Water-compatible formulation option: Suitable for testing in powders, gummies and selected reconstituted products.
  • COA and qualification documents: COA, TDS, SDS and specifications support supplier approval.
  • Sample and repeat-supply support: Samples, additional testing and repeat-order planning are available for B2B programs.

Applications & Formulation Ideas

ApplicationMain Formulation Focus
CapsulesElemental magnesium calculation, bulk density, capsule capacity and fill-weight variation
TabletsCompressibility, lubrication, hardness, friability and disintegration
Powder Blends and PremixesParticle-size matching, density differences, segregation and blend uniformity
Sachets and Stick PacksFlowability, caking, dosing accuracy and seal integrity
Gummies and ChewablespH, heat exposure, texture, mineral taste and flavor balance
Beverage Powders and RTD PrototypesDissolution, haze, sedimentation, pH drift and ingredient interaction
  1. Calculate the inclusion level from the target elemental magnesium contribution and the result confirmed for the supplied batch.
  2. For capsule supplements, confirm bulk density, flowability, capsule size and fill-weight variation before commercial production.
  3. For compressed formats, conduct pilot trials to evaluate hardness, friability, disintegration, sticking and lubricant requirements.
  4. Match particle size and density with vitamins, amino acids, sweeteners, flavors, botanicals and other minerals.
  5. Use geometric preblending when magnesium gluconate represents a small proportion of a multi-ingredient formula.
  6. In gummies and chewables, review acid balance, sweetener selection, flavor intensity, processing heat and final texture.
  7. In broader vitamin and mineral formulations, assess compatibility with calcium, potassium, iron and related salts such as Zinc Gluconate Powder.
  8. Release the finished product using verified weighing records, blend uniformity, dosage-unit variation and calculations based on the actual raw-material batch.

Magnesium gluconate may suit formulations where water compatibility and flexible use across solid or reconstituted formats are important. Its elemental magnesium contribution should be evaluated early because the required ingredient weight can affect capsule capacity, tablet dimensions, sachet weight and sensory design.

Dry systems should be reviewed for segregation, variable filling, moisture uptake and caking. Particle-size matching, controlled preblending, humidity management and protective packaging can reduce these risks. Gummies, beverage powders and RTD prototypes require additional testing for pH, heat exposure, taste, clarity and sedimentation. Acids, proteins, fibers, botanicals and other minerals may change the behavior observed in water alone. Trials should therefore use the complete formula and intended production process. Commercial approval should be based on the applicable batch COA, pilot results, packaging assessment and finished-product quality requirements rather than generic solubility or processing assumptions.

Packaging, Storage & Logistics

ItemStandard B2B Supply Information
Sample PackagingSealed aluminum foil bag or suitable sample container
Standard Bulk PackagingCommonly 25 kg in drums or cartons with food-grade polyethylene inner liners
Customized PackagingAlternative net weights, double liners, labels, pallets and shipping marks by agreement
StorageStore sealed in a cool, dry, clean and ventilated area away from moisture, heat and direct sunlight
Shelf LifeTypically 24 months in unopened original packaging
Shipping & DocumentsCourier or air shipment for samples; air or sea freight for bulk orders with agreed export documents

Custom liners, pallet protection, labels and shipping marks can be arranged according to the destination, transport route and buyer logistics requirements.

MOQ, Lead Time, Documents & Inquiry

ItemB2B Supply Details
Standard MOQUsually 25–100 kg, depending on specification and packaging
Sample AvailabilityAvailable for supplier approval and formulation trials
Standard Lead TimeTypically 7–15 days after order confirmation
Custom Lead TimeConfirmed separately for particle-size adjustment, additional testing or special packaging
Bulk SupplyRepeat-order planning, batch reservation and annual-volume discussion available
Available DocumentsCOA, TDS, SDS, specification sheet and applicable declarations; see Testing & Certifications for quality-document information
Additional TestingpH, density, solution behavior, flowability or third-party testing by agreement

For a quotation, provide the target specification, application, quantity, destination market, required documents, packaging preference and delivery schedule.

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