Bulk Vitamin K2 Mk-7 powder supplier

CAS: 11032-49-8

MF: C31H40O2

MW: 444.65

EINECS: 234-264-5

Specification: 99% min Vitamin K2 Powder

Sample: Vitamin K2 Powder Avaliable

Packaging: 1kg/bag, 25kg/drum

Brand: Ausreson

MOQ: 1 kg

Appearance: light yellow Powder

Storage: Cool Dry Place

Shelf Life: 2 Years

Test Method: HPLC

Last updated: March 2026

Vitamin K2 Powder Usage and Synthesis.

The main physiological function of vitamin K is to promote the production of prothrombinogen (coagulation factor II) by the liver, and it also regulates the formation of coagulation factors VII, IX and X. Vitamin K is also used in the treatment of blood clotting. Vitamin K deficiency prolongs the blood clotting time, and bleeding can occur in severe cases.

It has been shown that a precursor of prothrombin element exists in the liver. The synthesis of this precursor does not require vitamin K. The physiological function of vitamin K is to convert this plasminogen precursor into plasminogen, and the difference between plasminogen precursor and plasminogen has been elucidated at the molecular level.

The glutamate in the terminal amino acid residues of thrombospondin is all gamma-carboxyglutamate, whereas thrombospondin precursor is all glutamate. The glutamate in the terminal amino acid residues of the prothrombinogen precursor is all carboxylated to γ-carboxyglutamate under the influence of vitamin K. H14CO3- participation in the γ-carboxyglutamate residue was also demonstrated.

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How Vitamin K2 Directs Calcium

• Osteocalcin Activation (Bone Building): Vitamin K2 acts as a co-factor for the enzyme that carboxylates Osteocalcin, a protein produced by osteoblasts. Once "switched on," it chemically binds calcium to the bone matrix, increasing bone mineral density.

• Matrix GLA Protein (MGP) Activation (Heart Protection): K2 activates MGP, the most potent inhibitor of soft tissue calcification. This prevents calcium from hardening the arterial walls, maintaining vascular elasticity in aging populations.

• Menaquinone-7 (MK-7) vs. MK-4: In 2026, MK-7 is the preferred powder form due to its superior bioavailability and its ability to remain active in the bloodstream for 72 hours, compared to the 4-6 hour window of MK-4.

• Mitochondrial Energy: Emerging 2026 research highlights K2's role in electron transport within the mitochondria, potentially aiding muscle function and reducing cramping.

Why "Micro-Encapsulated Powder" is the 2026 Standard

1. Extreme Stability (Stability 3.0): Pure Vitamin K2 is highly sensitive to light, heat, and alkaline minerals (like Calcium). Top-ranked 2026 powders use Micro-encapsulation to shield the K2 molecules, ensuring 100% potency even when mixed into complex mineral formulas.

2. Solubility & Versatility: Modern Water-Dispersible K2 powders allow for seamless integration into functional beverages, protein shakes, and milk powders without altering flavor or texture.

3. Precise Micro-Dosing: Since K2 is effective at micro-gram levels ($mcg$ or $\mu g$), pure powder allows manufacturers to achieve exact therapeutic ratios (e.g., 180mcg per serving) with high uniformity.

The 2026 "Pure-K2" Checklist

• 99% All-Trans Isomer Content: In 2026, "Trans" is the only bio-active form. Avoid "Cis" isomers which are biologically inactive. Ensure the COA specifies the All-Trans percentage.

• Naturally Fermented (Natto-Derived): To rank in the premium sector, ensure the K2 is derived from Bacillus subtilis natto fermentation, rather than synthetic chemical processes.

• Soy-Free & Allergen-Free: In 2026, advanced fermentation using non-soy substrates (like chickpeas) is trending to meet the needs of soy-allergic consumers.

• Third-Party Lab Verified: Essential for verifying micro-gram potency and the absence of heavy metals.

FAQ.

In 2026, they are known as the "Dynamic Duo." Vitamin D3 helps your body absorb calcium, but Vitamin K2 directs it to the bones. Without K2, the extra calcium absorbed by D3 can end up in your arteries.

Clinical insights from 2026 suggest 90mcg to 180mcg for general bone and heart health. Higher therapeutic doses (up to 360mcg) are sometimes used for advanced arterial support.

Warning: Because Vitamin K plays a role in blood clotting, individuals on Warfarin or Coumadin must consult their physician before using K2 powder, as it may counteract the medication.

While found in fermented foods like Natto and certain aged cheeses, the typical 2026 Western diet is significantly deficient in K2, making supplemental powder an efficient way to bridge the gap.

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