Vitamin K2
Health Benefits

Unlocking Vital Health Benefits of Vitamin K2 MK-7

| Modified on Dec 18, 2023

Vitamin K2, mainly its form known as MK-7, has emerged as a pivotal nutrient in promoting various health benefits. This fat-soluble vitamin is crucial in multiple bodily functions, including bone mineralization, cardiovascular health, and blood clotting.

This article delves into the significant health benefits of Vitamin K2 MK-7, offering insights into why it's essential for a healthy body and mind.

Bone Health and Strength

One of the most prominent benefits of Vitamin K2 MK-7 is its contribution to bone health. It activates proteins that help bind calcium to bones, making them stronger and less prone to fractures. Studies have shown that Vitamin K2 can be especially beneficial in postmenopausal women, a group at higher risk for osteoporosis. By ensuring proper calcium utilization, Vitamin K2 MK-7 aids in maintaining strong and healthy bones.

Heart Health and Arterial Flexibility

Vitamin K2 MK-7 is also known for its positive impact on heart health. It helps prevent the calcification of arteries, a common factor in cardiovascular diseases. By activating a protein called Matrix Gla-Protein (MGP), it inhibits calcium from depositing in the vessel walls, thus maintaining arterial flexibility and promoting healthy blood flow.

Supports Dental Health

Recent research indicates that Vitamin K2 MK-7 may also affect dental health. It assists in the activation of osteocalcin, a protein that supports the health of teeth. Vitamin K2 MK-7 can be a valuable nutrient for maintaining dental strength and resilience by promoting the remineralization of teeth.

Enhanced Brain Function

Emerging evidence suggests that Vitamin K2 MK-7 could be significant in maintaining brain health. It is thought to aid in producing sphingolipids, a crucial component of brain cell membranes. This role may be important in preventing cognitive decline and supporting overall brain function.

Supports Healthy Skin

Vitamin K2 MK-7 plays a role in skin health and may contribute to the prevention of wrinkles and premature aging. It's believed to help maintain skin elasticity by preventing the calcification of elastin, the protein that gives skin its ability to stretch and bounce back.

Improved Exercise Performance

Emerging research suggests Vitamin K2 MK-7 may enhance exercise performance by influencing mitochondrial function and energy production. This can improve muscle function and endurance, making it a beneficial nutrient for athletes and those leading active lifestyles.

Blood Sugar Regulation

Vitamin K2 MK-7 might play a role in regulating blood sugar levels. Influencing insulin sensitivity can help maintain stable blood sugar levels, which is particularly beneficial for individuals with or at risk of developing type 2 diabetes.

Anti-inflammatory Properties

Vitamin K2 MK-7 has shown potential anti-inflammatory effects, which can be crucial in managing conditions like arthritis and other chronic inflammatory diseases. By reducing inflammation, it may help alleviate pain and improve joint mobility.

Enhances Immune Function

Evidence suggests that Vitamin K2 MK-7 may bolster the immune system. It produces certain proteins that regulate immune function, helping the body defend against infections and diseases more effectively.

Hormonal Balance

Vitamin K2 MK-7 may influence hormonal balance, particularly in women. It's thought to play a role in regulating hormone levels, positively impacting menstrual health and symptoms associated with hormonal imbalances.

Dosage of Vitamin K2 MK-7

The optimal dosage of Vitamin K2 MK-7 can vary based on individual needs and health conditions. However, general guidelines suggest a range for supplementation:

  • For General Health: Typically, doses ranging from 100 to 300 micrograms per day are recommended for maintaining general health.
  • For Specific Health Concerns: Higher doses, sometimes up to 500 micrograms per day, may be recommended for specific health conditions, such as osteoporosis, but this should always be under medical supervision.
  • Age and Gender Considerations: Dosage might vary depending on age, gender, and specific health conditions. It's important to consult with a healthcare provider for personalized advice.

Dietary Sources

In addition to supplements, Vitamin K2 MK-7 can be obtained from dietary sources. Foods rich in this vitamin include natto (fermented soybeans), certain cheeses, egg yolks, and chicken. Incorporating these foods into your diet can contribute to your daily intake of Vitamin K2 MK-7.

Side Effects of Vitamin K2 MK-7

General Tolerance

Vitamin K2 MK-7 is generally well-tolerated, and side effects are rare when taken in recommended amounts. However, like with any supplement, there are potential side effects to be aware of:

  • Digestive Discomfort: Some individuals may experience mild digestive issues, such as stomach pain or diarrhea.
  • Allergic Reactions: Although uncommon, allergic reactions to supplements, including skin rashes or itching, can occur.
  • Interactions with Medications: Vitamin K2 MK-7 can interact with certain medications, particularly blood thinners like warfarin. It's crucial to consult a healthcare provider if you are on any medication.


  • Pregnancy and Breastfeeding: Pregnant or breastfeeding women should consult their healthcare provider before taking Vitamin K2 supplements.
  • Underlying Health Conditions: Individuals with health conditions, especially those related to blood clotting or heart health, should seek medical advice before supplementation. Individuals with conditions affecting blood clotting or those on anticoagulant therapy should be particularly cautious. Vitamin K2 can interfere with blood thinners like warfarin, and healthcare professionals should closely monitor its use in such cases.

Scientific Research and Studies

A number of studies underscore the efficacy of Vitamin K2 MK-7. For instance, a 2022 study found that daily supplementation of Vitamin K2 significantly improved bone mineral density in postmenopausal women.1 Another 2023 study highlighted its role in improving arterial stiffness, showcasing its cardiovascular benefits.

Comparison with Other Forms of Vitamin K

Vitamin K2 MK-7 is distinct from Vitamin K1 (found primarily in leafy greens) and K2 MK-4 (present in animal-based foods) in several ways. MK-7 has a longer half-life, meaning it remains active in the body longer. This enhances its absorption and efficacy, particularly in supporting bone and cardiovascular health.

Nutrients that Complement Vitamin K2 MK-7

Vitamin K2 MK-7 works synergistically with Vitamin D and calcium. Vitamin D aids calcium absorption, while Vitamin K2 MK-7 helps direct calcium to the bones and away from the arteries, optimizing bone density and cardiovascular health.

FAQ Section

  • Q: What is the difference between Vitamin K2 MK-7 and Vitamin K1?
  • A: Vitamin K1 is primarily involved in blood clotting and is found in green leafy vegetables. Vitamin K2 MK-7, found in fermented foods and some animal products, is better absorbed by the body and primarily supports bone and cardiovascular health.
  • Q: Can Vitamin K2 MK-7 help with osteoporosis?
  • A: Yes, Vitamin K2 MK-7 activates proteins that bind calcium to bones, which can help in preventing bone loss and reducing the risk of osteoporosis, especially in postmenopausal women.
  • Q: Is Vitamin K2 MK-7 safe for people taking blood thinners?
  • A: Caution is advised. Vitamin K2 can interfere with blood-thinning medications like warfarin. It's essential to consult with a healthcare provider before taking Vitamin K2 supplements if you are on such medication.
  • Q: How long does it take to notice the effects of taking Vitamin K2 MK-7?
  • A: The timeframe can vary. Some people may notice changes in a few weeks, while for others, it may take several months. Consistency and adherence to the recommended dosage are key.
  • Q: Are there vegan sources of Vitamin K2 MK-7?
  • A: Natto, a fermented soybean product, is a rich vegan source of Vitamin K2 MK-7. Supplements derived from natto are also available for those following a vegan diet.
  • Q: Can children benefit from Vitamin K2 MK-7?
  • A: Yes, children can benefit, particularly for bone development. However, the dosage for children should be adjusted and always consulted with a pediatrician.
  • Q: Does Vitamin K2 MK-7 have any effect on skin health?
  • A: Emerging research suggests that Vitamin K2 MK-7 may help in maintaining skin elasticity and possibly in preventing wrinkles, although more research is needed in this area.
  • Q: Can Vitamin K2 MK-7 improve dental health?
  • A: Vitamin K2 MK-7 is believed to support dental health by activating proteins that help in the remineralization of teeth, although direct evidence is still evolving.
  • Q: Should Vitamin K2 MK-7 be taken with food?
  • A: Yes, since it is fat-soluble, taking Vitamin K2 MK-7 with a meal containing fats can improve its absorption.
  • Q: Can Vitamin K2 MK-7 help with arthritis?
  • A: Its anti-inflammatory properties may be beneficial in reducing symptoms of arthritis, but it should be considered as part of a broader treatment plan.
  • Q: Are there any age restrictions for taking Vitamin K2 MK-7?
  • A: Vitamin K2 MK-7 is generally considered safe for all ages, but dosage should be adjusted according to age and health status under guidance from a healthcare provider.

Where to Buy

MK-7Vitamin K2 (MK-7) 200mcg, 240 Virgin Coconut Oil Softgels | Premium Menaquinone-7 Form, Easily Absorbed Vitamin K Supplement – Bone, Joint, & Immune Support

Vitamin K-2: Solgar Vitamin K2 MK7 100mcg Vegetable Capsules Supports Bone Health Natural Whole Food Source from Natto Extract. $15.41

MK-7: Jarrow Formulas MK-7 90 mcg - Bioactive Form of Vitamin K2 - 60 Servings (Softgels) - For Bone & Cardiovascular Health. $17.30


In summary, Vitamin K2 MK-7 emerges as a crucial nutrient with a spectrum of health benefits ranging from enhancing bone density and cardiovascular health to supporting immune function and skin health. Its unique properties and superior absorption compared to other forms of Vitamin K make it a valuable addition to a well-rounded health regimen. While generally safe and beneficial for most, it's important to consider individual health needs and consult a healthcare provider, especially when dealing with specific medical conditions or taking medication. By integrating MK-7 into your diet, either through food sources or supplements, you can take a proactive step towards maintaining and enhancing your overall health and well-being.

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