Top Vitamin K2 Supplements for Bone and Heart Health
Vitamin K2 supplements have gained significant attention for their crucial role in supporting bone and cardiovascular health. Vitamin K2, a lesser-known form of vitamin K, is essential for the activation of proteins that regulate calcium deposition in the body. Unlike vitamin K1, which is primarily involved in blood clotting, vitamin K2 helps direct calcium to the bones and teeth while preventing its accumulation in the arteries and soft tissues. This unique function makes vitamin K2 supplements particularly beneficial for maintaining strong bones and preventing cardiovascular diseases.
Dietary sources of vitamin K2 include fermented foods like natto, certain cheeses, and animal products such as egg yolks and liver. However, the typical Western diet often lacks sufficient amounts of this vital nutrient, making supplementation an important consideration for many individuals. Vitamin K2 exists in several subtypes, the most studied being menaquinone-4 (MK-4) and menaquinone-7 (MK-7). MK-7, derived from bacterial fermentation, is noted for its longer half-life in the body, making it a popular choice for supplements aimed at long-term health benefits.
One of the primary benefits of vitamin K2 supplements is their role in bone health. Vitamin K2 activates osteocalcin, a protein that binds calcium to the bone matrix, ensuring proper bone mineralization and strength. This process is vital for preventing osteoporosis and fractures, particularly in older adults and postmenopausal women who are at higher risk for bone density loss. By promoting effective calcium utilization, vitamin K2 supplements help maintain bone density and reduce the risk of bone-related conditions, contributing to overall skeletal health.
In addition to its benefits for bone health, vitamin K2 plays a critical role in cardiovascular health by preventing the calcification of arteries. Calcification occurs when calcium deposits build up in the arterial walls, leading to stiffness and an increased risk of cardiovascular diseases such as atherosclerosis and heart attack. Vitamin K2 activates matrix Gla-protein (MGP), which inhibits calcium from depositing in the arteries. This protective effect helps maintain flexible, healthy blood vessels and promotes better cardiovascular function. Given these significant benefits, incorporating vitamin K2 supplements into a balanced diet can be an effective strategy for supporting both bone and cardiovascular health, especially for those with limited dietary intake of this essential nutrient.
Top-Rated
Sports Research Vitamin K2 as MK7 with Coconut MCT Oil
“Unlock bone and heart health with Vitamin K2 MK7 100mcg! Vegan-certified, Non-GMO, and gluten & soy-free for a vibrant lifestyle.”
Discover the power of plant-based Vitamin K2 (MK7) with our vegan-certified supplement. Vitamin K2 plays a vital role in directing calcium to your bones, supporting bone density, and cardiovascular health. What makes us unique is our commitment to quality and sustainability. Our Vitamin K2, sourced from chickpeas using an exclusive natto-like fermentation process, is soy-free and vegan. To boost absorption, we’ve combined it with Coconut MCT Oil since fat enhances the absorption of this fat-soluble vitamin. Moreover, our product features the world’s only Non-GMO Project Verified Plantgel. Your well-being is our top priority, backed by outstanding customer support. Elevate your health with our premium plant-based Vitamin K2 supplement and experience the excellence of natural goodness.
- Age Range: Adults
- Form: Softgel
- Dose Strength: 100 mcg per serving
- Serving Size: 1 Softgel daily
- Dietary Considerations: Vegan certified, Soy-Free, Non-GMO, Coconut MCT Oil
- Enough For: 60 days
Perfect Balance
Doctor's Best Natural Vitamin K2 Mk-7 with MenaQ7
“Nourish your bones with Natural Vitamin K2 Mk-7! MenaQ7-powered 100mcg supplement in 60 veggie capsules for resilient bone health.”
Doctor’s Best Natural Vitamin K2 MK-7 with MenaQ7 offers a superior form of vitamin K for optimal bioavailability and delivery to the body. Vitamin K is not a single vitamin but a family of fat-soluble vitamins with distinct metabolic properties. K2, specifically in the form of Menaquinone, surpasses K1 in terms of bioactivity. It boasts superior absorption, and longer retention in the body, and provides more substantial benefits for bone health, vascular health, and other soft tissues. This supplement, in 100 mcg Veggie Capsules, is a reliable choice for those seeking to support their overall well-being, particularly bone health. It’s non-GMO and designed to offer the advantages of natural vitamin K2 MK-7 for those who prioritize their health.
- Age Range: Adults
- Form: Capsule
- Dose Strength: 100 mcg per serving
- Serving Size: 1 Capsule daily
- Dietary Considerations: Vegan, GMO-Free, Gluten-Free and Soy-Free
- Enough For: 60 days
Super Formula
NOW Supplement MK-7 Vitamin K-2 100 mcg
“Heart and bones in harmony! MK-7 Vitamin K-2 100mcg – 60 veg capsules supporting cardiovascular health and promoting robust bones.”
NOW Supplements MK-7 Vitamin K-2 100 mcg is a dietary supplement designed to support cardiovascular health and promote strong bones. Vitamin K is renowned for its involvement in the synthesis of blood coagulation factors and its role in bone health. This product features MenaQ7 MK-7, a unique soy-free and bioavailable form of vitamin K-2. MenaQ7 MK-7 is particularly valuable for its ability to facilitate proper calcium metabolism in blood vessels and arteries, thus contributing to arterial health. It’s essential to note that MenaQ7 is a registered trademark of NattoPharma ASA in Norway, with patents granted and pending, ensuring its quality and effectiveness. As with natural supplements, slight variations in color may occur.
- Age Range: Adults
- Form: Capsule
- Dose Strength: 100 mcg per serving
- Serving Size: 1 Caplule daily
- Dietary Considerations: Vegan, Gluten Free, Dairy Free, Egg Free, Non-GMO, Kosher, Nut Free
- Enough For: 60 days
Quality Daily Supplement
Superior Source Vitamin K1 500mcg
“Purity at its best! Vitamin K1 500mcg – Non-GMO, gluten-free, preservative, sugar, and dye-free. No fillers, additives, or unwanted extras.”
This vitamin supplement features Vitamin K1 in the form of phytonadione, commonly found in dark leafy vegetables. Vitamin K1 is essential for blood clotting and supports bone and overall blood health. It may also aid in calcium absorption from food, potentially benefiting bone growth and strength. Interestingly, Vitamin K1 can be converted to Vitamin K2, specifically MK-4, by the body when needed. These pure MicroLingual vitamins have been crafted since 1998 in a family-owned manufacturing facility, reflecting a deep passion for health, wellness, fitness, and nutrition. They are proud to offer non-GMO, gluten-free, preservative-free, sugar-free, and dye-free supplements without unwanted fillers or additives, such as Magnesium Stearate or Silica.
- Age Range: Adults
- Form: Tablet
- Dose Strength: 500 mcg per serving
- Serving Size: 1 Tablet daily
- Dietary Considerations: Non-GMO, Gluten Free, Preservative Free, Sugar Free, Dye Free, No unwanted fillers, No additives, No excipients, No Magnesium Stearate or Silica
- Enough For: 30 days
Best Daily Choice
Nature Made Vitamin K2 100 mcg
“Strengthen your bones with Vitamin K2 100mcg! 30 softgels, a 30-day supply for healthy bones and radiant well-being.”
Nature Made Vitamin K2 100 mcg Softgels are designed to support healthy bones by providing the essential Vitamin K2 MK7 form. These softgels are sourced from high-quality ingredients and are gluten-free, making them an excellent choice for those seeking Vitamin K2 supplements without synthetic dyes or artificial flavors. Vitamin K2 works in conjunction with calcium to promote bone health. For adults, taking one Vitamin K2 MK-7 softgel daily with water and a meal is recommended. This supplement offers an easy and convenient way to incorporate Vitamin K into your daily routine. Nature Made is a trusted brand with ingredients, potency, and manufacturing processes that have been tested and verified by USP (United States Pharmacopeia), an organization that sets official standards for dietary supplements.
- Age Range: Adults
- Form: Softgel
- Dose Strength: 100 mcg per serving
- Serving Size: 1 Softgel daily
- Dietary Considerations: Gluten Free, No synthetic dyes, No artificial flavors
- Enough For: 50 days
Trusted Brand
Solgar Vitamin K2 MK7 100mcg Vegetable Capsules
“Nourish bones naturally! Vitamin K2 MK7 100mcg capsules sourced from Natto Extract. Non-GMO, gluten-free, and 50 servings for vitality.”
Solgar Vitamin K2 MK7 100mcg Vegetable Capsules are a natural and high-quality supplement designed to support bone health. Sourced from Natto Extract, a traditional Japanese food known for its rich Vitamin K2 content, this supplement provides a wholesome source of this essential nutrient. These vegetable capsules are non-GMO and gluten-free, catering to various dietary preferences and restrictions. With 50 servings per container, it’s a convenient choice for those seeking to enhance their bone health. Solgar is a trusted brand known for its commitment to quality, making it a reliable option for those looking to incorporate Vitamin K2 MK7 into their daily routine. Elevate your well-being with this natural whole-food source of Vitamin K2.
- Age Range: Adults
- Form: Capsule
- Dose Strength: 100 mcg per serving
- Serving Size: 1 Capsule daily
- Dietary Considerations: Vegetarian, Non-GMO, Gluten Free, Wheat Free, Yeast Free, Sugar Free, Sodium Free
- Enough For: opis
Premium Quality
Vitamin K2 (MK7 & MK4) with D3 Supplement
“Triple the power for bones and heart! Vitamin K & D as MK-7 100mcg, MK-4 500mcg, and 5000 IU D3. A 3-in-1 support system in 90 capsules.”
Choose Divine Bounty’s Vitamin K2 + D3 supplement for a comprehensive 3-in-1 formula. Unlike many brands that offer only one form of vitamin K2, Divine Bounty combines both MK-4 and MK-7, enhancing their benefits. With the addition of Vitamin D3, this blend promotes overall health. A single capsule daily provides all three essential vitamins, saving you from purchasing multiple supplements. This cost-effective choice means one bottle lasts up to 90 days. Divine Bounty’s commitment to quality shines through its natural ingredients and vegetarian capsules, free from harmful substances and common allergens. Opt for Divine Bounty Vitamin K2 + D3 for a high-quality, all-in-one nutritional solution. Your health deserves the best.
- Age Range: Adults
- Form: Capsule
- Dose Strength: 100 mcg MK7, 500mcg MK4, 5000 IU D3
- Serving Size: 1 Capsule daily
- Dietary Considerations: Non-GMO, Soy Free, Gluten Free, No Preservatives, No Stearates, No Silicone Dioxide, No Artificial Ingredients
- Enough For: 90 days
Natural Ingredients
Garden of Life Vitamin K2 and K1 Complex
“Fuel your bones, fortify your heart! Vitamin Code Vegan K Complex – a fusion of K1 and K2, flax seed oil, and probiotics for 60 days of vitality.”
Vitamin K supports bone strength, a healthy heart, and healthy blood clotting and coagulation.† Garden of Life Vitamin Code Raw K-Complex is specifically formulated to deliver 230mcg of whole food K Complex, featuring Vitamin K2 as MK-7, along with Vitamins K1 and K2 as MK-4—delivered in cold-pressed Omega-rich Flaxseed Oil.† Also included are 23 powdered organically grown fruits and vegetables plus 75 alkalizing trace minerals, which add supporting antioxidants, vitamins, and nutrient cofactors, with live probiotics to support healthy digestion.† RAW means no high heat, synthetic binders, fillers, artificial flavors, sweeteners, colors or additives commonly used in tablets. Raw K-Complex is proudly third-party certified non-GMO, Vegan, and Kosher.
- Age Range: Adults
- Form: Capsule
- Dose Strength: 100 mcg per serving
- Serving Size: 1 Capsule daily
- Dietary Considerations: Gluten Free, No binders or fillers, Third-Party certified Non-GMO, Vegan, Kosher
- Enough For: 60 days
Quality Guarantee
Amazon Elements Vitamin K2 100 mcg
“Nourish with nature! Vegan Vitamin K2 100mcg – 65 capsules for a 2-month supply. Elevate bone and heart health effortlessly.”
Amazon Elements Vitamin K2 100 mcg offers a 2-month supply of vegan-friendly capsules with 100% trans-Menaquinone-7 sourced from chickpea flour. This high-quality and sustainable supplement is free from artificial additives and ideal for vegans and gluten-free diets. Manufactured in a Good Manufacturing Practices (GMP) facility, it adheres to strict quality and safety standards. The added convenience of Alexa voice shopping simplifies reordering, though be aware that summer deliveries may arrive warm, following storage and shipping guidelines. For those who appreciate NOW Supplements Vitamin K2 100mcg, Amazon Elements provides a reliable alternative for your nutritional needs.
- Age Range: Adults
- Form: Capsule
- Dose Strength: 100 mcg per serving
- Serving Size: 1 Capsule daily
- Dietary Considerations: No artificial colors, flavors or chemical preservatives, Vegan, Gluten Free
- Enough For: 65 days
Nutrient Excellence
NatureWise Vitamin K2 with Vita MK7 Menaqui-7
“Unlock bone vitality the vegan way! Vitamin K2 with MK4 and VitaMK7 Menaquinone-7, offering increased bioavailability in 90 softgels.”
NatureWise Vitamin K2 promotes strong bones and a healthy heart. It enhances calcium binding to bone matrices and reduces the risk of calcium deposits in blood vessels, supporting optimal blood flow. Utilizing VitaMK7, a naturally sourced menaquinone-7 from solvent and allergen-free fermentation, guarantees superior bioavailability. The combination with organic extra virgin olive oil ensures easy absorption, benefiting bone formation, blood calcium levels, and heart function. Manufactured in the USA with premium ingredients, NatureWise maintains rigorous quality control standards and complies with the criteria of organizations like NPA, NSF, and UL. Please note that these statements describe the product’s intended benefits and have not been evaluated by the FDA.
- Age Range: Adults
- Form: Softgel
- Dose Strength: 100 mcg MK 7 + 500 mcg MK 4
- Serving Size: 1 Softgel daily
- Dietary Considerations: Vegan, Non-GMO, Gluten Free, Dairy Free, Soy Free
- Enough For: 90 days
Understanding Vitamin K: Why Your Body Needs It
Vitamin K is an essential nutrient crucial for various bodily functions, particularly blood clotting and bone metabolism. There are two primary forms of vitamin K: K1 (phylloquinone) and K2 (menaquinone).
Blood Clotting: One of the most well-known functions of vitamin K is its role in blood clotting. It helps produce proteins necessary for the clotting process. Without adequate vitamin K, blood clotting would be impaired, leading to excessive bleeding even from minor injuries.
Bone Health: Vitamin K also plays a vital role in bone metabolism. It helps regulate calcium levels in bones and promotes the synthesis of proteins involved in bone formation. Adequate vitamin K intake is associated with improved bone density and reduced risk of fractures.
Cardiovascular Health: Emerging research suggests that vitamin K might have a role in cardiovascular health. Some studies indicate that it may help prevent arterial calcification, which is a risk factor for heart disease and stroke.
Brain Health: There is some evidence to suggest that vitamin K may play a role in brain health, although more research is needed to fully understand its mechanisms in this regard.
Cancer Prevention: Some studies suggest that vitamin K may have anti-cancer properties, particularly in reducing the risk of certain types of cancer, such as prostate and liver cancer. However, more research is needed to confirm these potential benefits.
Sources of Vitamin K include green leafy vegetables (such as spinach, kale, and broccoli), vegetable oils (such as soybean and canola oil), certain fruits (such as kiwi and avocado), meat, dairy products, and fermented foods (such as natto, a traditional Japanese dish made from fermented soybeans).
Most people can meet their vitamin K needs through a balanced diet, but certain populations, such as newborns and individuals taking certain medications, may be at risk of deficiency and may require supplementation under the guidance of a healthcare professional.
Different Types of Vitamin K Supplements Explained
It’s essential to consult with a healthcare professional before starting any new supplement regimen, especially if you have underlying health conditions or are taking medications, as vitamin K supplements can interact with certain drugs, particularly blood thinners like warfarin. Additionally, obtaining vitamin K through a balanced diet rich in leafy greens, dairy, and fermented foods is generally the preferred method for maintaining optimal vitamin K levels.
- Vitamin K1 (Phylloquinone): This is the most common form of vitamin K found in green leafy vegetables like kale, spinach, and broccoli. It plays a crucial role in blood clotting. Vitamin K1 supplements are often recommended for those with deficiencies or those needing additional support for blood clotting.
- Vitamin K2 (Menaquinone): Unlike K1, which is primarily involved in blood clotting, K2 has a broader range of functions, including regulating calcium metabolism. There are several subtypes of vitamin K2, including MK-4 and MK-7. MK-4 is found in animal products and some fermented foods, while MK-7 is found in fermented foods like natto, a traditional Japanese dish made from fermented soybeans. Vitamin K2 supplements are gaining attention for their potential benefits for bone and cardiovascular health.
- MK-7 Supplements: MK-7 is a longer-lasting form of vitamin K2 compared to MK-4. It has a longer half-life in the body, which means it remains active in the bloodstream for a longer duration, allowing for less frequent dosing. MK-7 is often preferred for its enhanced bioavailability and potency compared to other forms of vitamin K2.
- MK-4 Supplements: While MK-4 has a shorter half-life compared to MK-7, it still plays essential roles in the body, particularly in bone health. MK-4 supplements are sometimes used therapeutically for specific conditions, but MK-7 is often favored for general supplementation due to its longer duration of action.
- Combination Supplements: Some vitamin K supplements contain a combination of K1 and K2, providing a broader spectrum of benefits. These combinations are designed to support overall vitamin K status and may be beneficial for individuals who have deficiencies or who want comprehensive vitamin K support.
Vitamin K1 vs. Vitamin K2: Which Is Better for You?
Both vitamin K1 and K2 are important for various aspects of health, but they play slightly different roles in the body.
Vitamin K1 (Phylloquinone):
- Found primarily in leafy green vegetables like spinach, kale, and broccoli
- Main role is in blood clotting. It is essential for the synthesis of certain proteins involved in the coagulation process
- While it is primarily associated with blood clotting, some research suggests it may also have benefits for bone health.
Vitamin K2 (Menaquinone):
- Found in fermented foods, animal products like cheese and egg yolks, and some meats
- Plays a crucial role in bone health by activating proteins involved in bone metabolism, such as osteocalcin and matrix Gla-protein
- Additionally, vitamin K2 may have cardiovascular benefits by helping to prevent calcium from depositing in arteries and blood vessels, which can reduce the risk of heart disease
- There are several subtypes of vitamin K2 (MK-4 through MK-13), with MK-4 being the most well-studied and often found in animal-based foods.
The “better” form of vitamin K depends on the specific health outcome you’re interested in. If you’re looking to support blood clotting, vitamin K1 is essential. For bone and cardiovascular health, vitamin K2, particularly MK-4 and MK-7, may be more beneficial.
In general, a balanced diet that includes a variety of foods rich in both vitamin K1 and K2 is likely the best approach for overall health. However, if you have specific health concerns or conditions, it’s always best to consult with a healthcare professional for personalized advice.
Frequently Asked Questions
Vitamin K is a fat-soluble vitamin crucial for blood clotting, bone health, and heart health. It exists in two primary forms: K1 (phylloquinone) found in leafy greens and K2 (menaquinone) found in animal products and fermented foods. Its primary role is to facilitate the activation of proteins necessary for proper blood clot formation. Additionally, vitamin K2 directs calcium to bones and teeth while preventing its buildup in arteries, supporting both skeletal strength and cardiovascular health. Its importance lies in maintaining the delicate balance between clotting ability and calcium regulation in the body, promoting overall well-being.
Vitamin K2 is primarily produced in the body by gut bacteria in the large intestine. This form of vitamin K, also known as menaquinone, is synthesized by certain bacteria during the fermentation of dietary fibers and other nutrients. Once produced, vitamin K2 is absorbed into the bloodstream and distributed to various tissues, where it plays a crucial role in directing calcium to bones and teeth while preventing its accumulation in arteries. While the body can produce some vitamin K2, dietary sources and supplements can also contribute to maintaining adequate levels, particularly for those with specific health needs or limited gut bacterial production.
Yes, taking vitamin K2 daily is generally safe when adhering to recommended doses. Vitamin K2 is crucial for bone and cardiovascular health, directing calcium to bones and preventing its buildup in arteries. However, excessive intake through supplements may not be necessary and could have unintended effects. Consult a healthcare professional for personalized guidance, considering your health, diet, and any potential medication interactions or medical conditions. Always adhere to recommended dosages to ensure safety and effectiveness.
Four signs of vitamin K deficiency include easy bruising, prolonged bleeding from cuts or injuries, weakened bones leading to an increased risk of fractures, and a heightened susceptibility to hemorrhage, particularly in newborns. Vitamin K plays a critical role in blood clotting and bone health, ensuring calcium is properly directed to bones and teeth while preventing harmful buildup in arteries. A deficiency can disrupt this delicate balance, resulting in these symptoms. Maintaining an adequate intake of vitamin K through diet or supplements when necessary is essential for overall health and well-being.
When taking vitamin K supplements or considering your dietary intake, it's important to be aware of factors that can interfere with its effectiveness. Avoid excessive consumption of alcohol, as it may impair vitamin K absorption. Additionally, certain medications like blood thinners can interact with vitamin K, potentially reducing their effectiveness. If you are on such medications, consult with a healthcare professional to determine the appropriate balance. Finally, excessive intake of vitamin A and E supplements can interfere with vitamin K metabolism, so it's wise to maintain a balanced and varied diet to ensure optimal vitamin K absorption and overall health.
