Fermentation culture producing Vitamin K2 (MK-7) used in Depuravita supplements.

The Forgotten Vitamin: How K2 and Its Hidden Allies Are Redefining Modern Nutrition

The Forgotten Vitamin: How K2 and Its Hidden Allies Are Redefining Modern Nutrition

A New Chapter in Nutritional Science

In the laboratories of Maastricht, Milan, and Tokyo, researchers have reshaped the understanding of Vitamin K. Once associated solely with blood coagulation, it is now recognised as a key factor in bone metabolism, vascular elasticity, and cellular coordination.

The renewed interest began in Japan. Diets that include nattō—fermented soybeans naturally rich in Vitamin K2-7 (menaquinone-7)—correlate with strong bone density and low vascular calcification. When European scientists analysed these differences, attention shifted toward Vitamin K2 and its specific molecular forms.

Depuravita interprets this as evidence that nutritional precision matters. Through fermentation, nature creates compounds that integrate with human biology, reminding us that advanced science often echoes ancestral wisdom.


Two Forms, Two Roles

Vitamin K exists primarily in two forms. Vitamin K1 (phylloquinone) comes from leafy greens and operates in the liver, activating coagulation proteins. Vitamin K2 (menaquinones), produced by bacteria or fermentation, extends its role to bones, cartilage, and vascular tissue.

Vitamin K2 supports proteins that regulate calcium’s placement within the body. These proteins help ensure that minerals strengthen the skeleton rather than accumulate in arteries. In populations where fermented foods are rare, Vitamin K2 intake is considerably lower.

Strike a Pause includes this same fermented Vitamin K2 (MK-7), selected for its bioavailability and long-lasting physiological activity.


Why MK-7 Is the Focus

Among the menaquinones, MK-7 stands out for stability and duration. It remains active in circulation for days, allowing steady activation of the calcium-binding proteins osteocalcin and matrix Gla protein (MGP).

Clinical studies from the University of Maastricht demonstrated that daily intake of MK-7 reduces the amount of inactive MGP, a biomarker of efficient calcium use. These results established MK-7 as a crucial element in maintaining mineral balance across tissues.

European nutrition experts often describe Vitamin K2 (MK-7) as a “regulator molecule,” ensuring structure without excess and movement without loss. Strike a Pause uses this exact all-trans fermented form, derived through advanced natural fermentation to preserve purity and activity.


Fermentation and Bioavailability

Fermentation is both ancient practice and advanced biotechnology. In foods such as nattō, aged cheese, and cultured butter, specific bacteria transform precursors into menaquinones. Modern processes replicate this transformation with strict controls to ensure consistent purity.

The all-trans isomer of MK-7, considered the most active, is produced through bacterial fermentation involving Bacillus subtilis natto. Its structure allows the body to recognise and utilise it efficiently.

Depuravita’s approach aligns with this principle: applying scientific rigour to natural methods. Formulations such as Strike a Pause represent this synthesis—fermented compounds enhanced through precise formulation.


Nutritional Patterns and Deficiency in Europe

Traditional European diets once included natural K2 sources—raw dairy, cultured butter, and aged cheese. Modern processing removed many of these. Plant-based diets often provide abundant Vitamin K1 yet minimal K2, since only limited bacterial conversion occurs in the gut.

Recent European studies reveal widespread suboptimal K2 levels, particularly in older populations and individuals consuming low-fat or sterile diets. These findings have encouraged a new awareness of fermented nutrients as essential to long-term well-being.

Reintroducing Vitamin K2 through balanced supplementation helps restore a nutritional element lost through industrialisation.


The Synergy with Vitamin D3

Vitamin D3 promotes calcium absorption in the intestine. Vitamin K2 ensures this calcium reaches bone and avoids soft tissues. Their partnership defines one of the most studied nutrient synergies in current literature.

Maintaining adequate levels of both supports structural balance—Vitamin D enabling entry, Vitamin K2 ensuring distribution. Depuravita applies this knowledge in designing complementary formulations that respect natural physiological pathways. Strike a Pause includes this pairing, integrating fermented K2 (MK-7) with adaptogenic compounds and key vitamins for optimal synergy.


The Role of Vitamin U

Hidden in cruciferous vegetables is another intriguing molecule: Vitamin U, also known as S-methyl-methionine. Discovered in the 1950s within cabbage juice, it is not a true vitamin but a derivative of methionine, studied for its ability to support gastric mucosal integrity and oxidative balance.

Vitamin U and Vitamin K share plant origins. Both occur in leafy greens, particularly in the Brassica family. While K1 from these plants converts to K2 through microbial processes, Vitamin U supports the epithelial barriers that manage digestion and absorption.

Scientific discussions increasingly highlight the potential relationship between these compounds: one guiding minerals, the other protecting the tissues that interact with them. Their coexistence in foods suggests evolutionary coordination—plants providing both structure and protection through complementary molecules.

Depuravita recognises this connection as symbolic of functional synergy. Nutrients from fermentation and vegetation cooperate in maintaining internal harmony.


Clinical Perspectives and Emerging Research

At Maastricht University, studies continue to examine how menaquinones influence not only bone and vascular metabolism but also mitochondrial energy production. Parallel research in Japan explores how long-chain menaquinones affect cellular ageing mechanisms.

Meanwhile, European gastroenterology centres revisit Vitamin U’s potential to assist mucosal repair and support the microbiome. This convergence of studies points toward a broader theme: the relationship between microbial life, plant chemistry, and human metabolism.

Healthcare professionals in Italy, France, and Germany increasingly reference K2 when discussing nutrient efficiency, particularly for individuals with restricted diets or limited exposure to fermented foods.


Depuravita’s Scientific Perspective

Depuravita approaches supplementation through three principles: design, synergy, and integrity. Each formulation is built to complement natural physiology rather than override it.

  • Design reflects precision—selecting active forms such as all-trans MK-7 for proven stability.

  • Synergy combines compounds that interact along shared biochemical pathways, as seen in formulations like Strike a Pause.

  • Integrity ensures sourcing transparency and adherence to European quality standards.

This philosophy positions Depuravita within a growing movement of science-led wellness brands that emphasise measurable effectiveness and ethical production.


Fermentation as a Model for Human Balance

Fermentation exemplifies collaboration. Microorganisms convert raw materials into compounds the human body can readily use. The same principle applies to the relationship between nutrients: when combined correctly, they amplify one another’s potential.

Vitamin K2 (MK-7) is the outcome of microbial cooperation. Vitamin U is the plant’s response to environmental stress. Together, they represent balance between adaptation and preservation—one constructing, the other shielding.

Modern research continues to expand these concepts beyond nutrition into fields such as microbiome science and metabolomics. Depuravita sees this as confirmation that nature’s complexity remains the best guide for sustainable innovation.


Practical Considerations for Supplementation

For most individuals following Western or vegetarian diets, K2 intake remains minimal. Natural sources include nattō, aged Gouda, and Emmental cheese, but these are not always accessible or appealing. Supplementation with fermented MK-7 offers a reliable, standardised solution.

When choosing such products, experts recommend verifying the isomeric form (all-trans), origin (fermentation or synthetic equivalent), and combination with cofactors such as Vitamin D3 and magnesium.

Strike a Pause embodies this approach, offering a source of fermented Vitamin K2 (MK-7) designed with clinical attention to dosage, purity, and complementary nutrients.


The Broader Implications

The story of Vitamin K2 and Vitamin U highlights how nutrition evolves from tradition to evidence. What began with fermented soybeans in Japan has become an essential topic in European biochemistry. The connection between bacterial and plant-derived compounds reinforces the concept that health depends on ecosystem relationships.

Depuravita integrates these insights into product development and education, advocating for informed use of supplements supported by credible data. The objective is not replacement but refinement—returning to nutrient patterns that human physiology recognises.


Conclusion: Balance as Science, Not Trend

Vitamin K2 (MK-7) and Vitamin U represent two aspects of the same principle: structure supported by protection. One regulates mineral placement, the other maintains cellular integrity. Together they exemplify the biological harmony that defines human resilience.

Depuravita’s work reflects this understanding. By combining fermented compounds with plant-derived actives and clinical methodology, the brand advances a modern vision of wellbeing grounded in precision.

Strike a Pause stands as an example of this approach—where science meets design, and where each ingredient carries both purpose and provenance.

FEATURED COLLECTION