Vitamin K2 MK7 Powder 0.1% (1,000 ppm)
Carrier: Maltodextrin / Acacia
Isomer: ≥98.5% All-Trans
App: General tablets & hard capsules
As pharmaceutical, dietary supplement, and functional beverage formulators pivot toward synergistic cardiovascular and bone health solutions, Vitamin K2 MK7 Powder (Menaquinone-7) has evolved into an indispensable flagship active. At BKYULA Biotech Co., Ltd., we combine 15 years of industrial biotechnology expertise to produce standardized, 100% all-trans isomer Vitamin K2 MK7 powder across concentrations ranging from 1,000 ppm to 98% pure pharmaceutical grade.
Formulation chemists and commercial procurement teams globally face persistent hurdles in Menaquinone-7 sourcing: rapid active degradation when blended with alkaline minerals (calcium carbonate, magnesium oxide), misleading cis/trans ratio reporting, and thermal instability during tableting. This technical procurement dossier provides deep information gain regarding isomer stereochemistry, microencapsulation matrix design, analytical HPLC verification, and market cost structures to protect your brand equity.
Manufactured to fulfill rigorous USP, EP, and FCC monographs, BKYULA Biotech supplies high-stability grades customized for capsules, direct-compression tablets, effervescents, and dry food premixes.
Carrier: Maltodextrin / Acacia
Isomer: ≥98.5% All-Trans
App: General tablets & hard capsules
Protection: Dual-layer shell matrix
Stability: 24-Mo shelf-life with minerals
App: Bone health with Calcium / Mg
Source: Bacillus subtilis natto
Purity: Supercritical CO2 extracted
App: Clean-label & organic formulas
Solubility: 100% Cold water clarity
Assay: 2,000 ppm / 5,000 ppm
App: Functional drinks, RTD & sachets
Assay: ≥98.0% HPLC pure crystal
Isomer: ≥99.0% All-trans isomer
App: Pharma API, custom oil emulsions
A rigorous examination of Vitamin K2 stereochemistry, chemical stability when co-formulated with minerals, and analytical protocols required to confirm authentic label claims.
Menaquinone-7 (MK-7) is a polyprenyl-substituted naphthoquinone derivative containing seven isoprenoid units linked in series to the 2-methyl-1,4-naphthoquinone nucleus. Due to the presence of multiple unsaturated double bonds across the lipophilic side chain, Vitamin K2 MK7 can exist in various geometric stereoisomeric configurations: the fully extended all-trans isomer and multiple bent cis-isomers (such as 13-cis, 9-cis, or multi-cis variations).
Clinical biology has established that only the all-trans configuration possesses the molecular geometry required to dock into the substrate-binding pocket of the endoplasmic reticulum enzyme gamma-glutamyl carboxylase (GGCX). This enzyme activates crucial Vitamin K-dependent proteins (VKDPs), specifically carboxylating undercarboxylated osteocalcin (ucOC) to bind ionic calcium to the bone hydroxyapatite matrix, and carboxylating uncarboxylated Matrix Gla Protein (ucMGP) to prevent arterial calcification. Cis-isomers are biologically inactive; they cannot trigger carboxylation, offering zero health efficacy to the end consumer.
Many low-cost Vitamin K2 ingredients flooded on the spot market contain up to 30% to 50% inactive cis-isomers resulting from inferior synthetic coupling or photo-degradation during uncontrolled crystallization. At BKYULA Biotech Co., Ltd., our synthesis and natural fermentation extraction processes incorporate stereospecific crystallization and low-temperature molecular purification, ensuring an all-trans content of ≥98% as quantified by chiral high-performance liquid chromatography.
Over 75% of commercial Vitamin K2 supplements are formulated as combination products: most notably bone-density complexes combining Vitamin K2 + Vitamin D3 + Calcium + Magnesium. However, standard unshielded Menaquinone-7 is exceptionally vulnerable to chemical decomposition when exposed to an alkaline microenvironment.
Mineral compounds such as calcium carbonate, calcium citrate, magnesium oxide, and trace transition metals act as aggressive basic catalysts. In the presence of ambient moisture, these alkaline minerals strip hydrogen atoms from the menaquinone structure, causing oxidative cleavage of the polyisoprenoid chain and opening the naphthoquinone quinone ring. Shelf-life stress testing reveals that unprotected MK-7 powder blended with calcium and magnesium can lose between 60% and 90% of its active potency within 3 to 6 months at room temperature.
To overcome this fatal formulation pitfall, BKYULA Biotech developed proprietary double-layer microencapsulation technology. By enclosing the nano-dispersed MK7 active within an inner protective lipid core and an outer non-reactive polysaccharide barrier, the sensitive molecule is physically shielded from direct contact with alkaline mineral surfaces, air, and moisture. Our microencapsulated powder guarantees over 95% active retention across 24 months in high-mineral solid dose tablets and capsules.
Procurement teams evaluating product development often question why Menaquinone-7 commands a premium over Vitamin K1 (Phylloquinone) or Vitamin K2 MK-4 (Menatetrenone). The decisive factor lies in bio-distribution half-life and tissue targeting:
| Parameter | Vitamin K1 (Phylloquinone) | Vitamin K2 (MK-4) | Vitamin K2 MK7 (BKYULA Biotech) |
|---|---|---|---|
| Plasma Elimination Half-Life (t1/2) | 1 to 2 hours (cleared rapidly) | 1 to 4 hours | 72 hours (sustained circulation) |
| Daily Effective Dosage | 1,000 - 5,000 mcg | 45,000 mcg (45 mg) divided 3x/day | 45 mcg - 180 mcg once daily |
| Extra-Hepatic Tissue Distribution | Minimal (retained mainly by liver) | Low systemic bioavailability | Exceptional (bones, arteries, brain) |
| Arterial Calcification Inhibition (MGP) | Negligible at standard doses | Transient and weak | Potent, permanent carboxylating trigger |
| Lipoprotein Carrier Fraction | Triglyceride-rich lipoproteins (TRLs) | Rapidly metabolized HDL/LDL | Low-Density Lipoprotein (LDL) extended reach |
Key economic and regulatory shifts shaping how international contract manufacturers, brand owners, and procurement directors source Menaquinone-7 through 2026–2030.
Historically, the primary origin of natural Vitamin K2 MK7 was fermented Japanese Natto utilizing fermented soybeans. However, the rise of stringent allergen laws across the European Union (EFSA) and the United States (FDA FALCPA) has caused widespread rejection of soy-derived raw materials due to cross-reactivity risks. Global buyers are aggressively switching to chickpea-fermented or allergen-free synthesized Menaquinone-7. BKYULA Biotech supplies completely soy-free, non-GMO verified Vitamin K2 MK7 powders that seamlessly integrate into allergen-sensitive supplement formulations.
Regulatory authorities and major supplement retailers (such as Amazon and national pharmacy chains) now enforce third-party identity testing using USP-grade chiral HPLC methods. Raw material certificates that simply state "Total Menaquinones" without disclosing cis/trans ratios are being systematically flagged and rejected during import customs clearance. Forward-thinking procurement officers require validated chromatographic profiles proving ≥98% all-trans isomer purity prior to contract execution to insulate against expensive batch recalls.
While previously isolated within the niche osteopenia market, Vitamin K2 MK7 is undergoing massive adoption within cardiovascular wellness, sports performance, and healthy ageing demographics. Known as the "Calcium Paradox Solution", it ensures calcium is deposited inside the skeleton rather than calcifying arterial walls. Formulations pairing K2 MK7 with Vitamin D3, Marine Collagen, and Magnesium Bisglycinate have grown by over 32% year-on-year, driving bulk container-load procurement demands.
Every kilogram of BKYULA Biotech's Vitamin K2 MK7 Powder is manufactured under strict cGMP conditions, tracing an unbroken chain of custody through extraction, concentration, drying, and analytical release.
01Deep-tank non-GMO B. subtilis bio-fermentation or stereoselective organic synthesis.
02Low-temperature vacuum concentration protecting heat-labile polyisoprenoid side chains.
03Polymer matrix embedding with antioxidant shields and nitrogen-blanketed spray drying.
04Micronized milling to 80–120 mesh for uniform dissolution and high tablet compressibility.
05Three-dimensional cone mixing ensuring relative standard deviation (RSD) <2.0%.
06Light-blocking double aluminum foil nitrogen-sealed vacuum packing in fiber drums.
Auditing quality begins with instrument accuracy. Every batch of Vitamin K2 MK7 Powder is verified across our comprehensive testing suite before certificate authorization.

Separates cis/trans isomers and calculates exact assay against USP reference

High-resolution stereochemical isomer profiling for Menaquinone-7 purity

Assay screening, wavelength confirmation, and carrier optical validation

Parallel spectrophotometric verification for high throughput screening

Analytical sample weighing accurate to 0.0001g for low-dose calibrations

Pathogen screening: Total Plate Count, Yeast, Mold, E. coli, and Salmonella

Sterile microbiological inoculation and plating station

High-pressure media preparation for reliable biosafety assay testing

Multi-unit stainless steel vessels with automated temperature controls

Protects heat-sensitive actives with negative-pressure low temp vaporization

Precision milling to achieve smooth flowability and specified mesh profiles

High-efficiency micro-blending for uniform active dispersion

Gentle residual moisture removal preserving active trans-isomer bonds

Loss-on-drying verification ensuring tight hygroscopic limits (<5.0%)

Sanitary intermediate liquid hold tank with inert gas purging capacity

Climate and humidity controlled cGMP warehouse storage
Whether you require a synergistic Vitamin D3 + K2 MK7 dry blend premix, microencapsulated beadlets for softgels, or finished bottled tablets ready for retail distribution, BKYULA Biotech Co., Ltd. delivers full-stack OEM/ODM manufacturing under internationally audited GMP quality frameworks.
Tour Our Extraction & Testing Facility Every commercial delivery is accompanied by an authenticated Certificate of Analysis (COA), Safety Data Sheet (MSDS), non-GMO declaration, allergen report, and third-party audit credentials.
Audited Quality Operations
Food Safety Management
Hazard Point Critical Control
Global Halal Compliance
Kosher Certified Ingredients
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Direct technical and operational answers to common inquiries submitted by R&D directors, supply chain managers, and contract packagers.
Request standard COAs, stability validation dossiers, free testing samples, or custom formulation pricing directly from our senior technical sales team.
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