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NOW Supplements MK-7 Vitamin K-2
SCIENTIFIC SCORE
Possibly Effective
Based on 9 Researches
7.8
USERS' SCORE
Good
Based on 27 Reviews
8.3
Supplement Facts
Serving Size: 1 Veg Capsule
Amount Per Serving
%DV
Vitamin K2(as Menaquinone-7) (MK-7 ) (MenaQ7®)
100 mcg
**

Top Medical Research Studies

9
Menaquinone-4 aids heart recovery
Potential Cardioprotective Role of Menaquinone-4 Against Cardiac Ischemia-reperfusion Injury.
Strong focus on cardiac health
We examined how Menaquinone-4, a form of vitamin K2, could help protect the heart during a critical event known as ischemia-reperfusion (I/R) injury, which often occurs after heart attacks. In our study, we used thirty-two rats, dividing them into three groups: a control group that experienced I/R without treatment, a group that received MK-4 before the injury, and another group that got MK-4 at the beginning of the recovery phase.

By using a specialized apparatus to assess heart function, we measured various indicators of heart health, including the pressure the heart could generate and rates of heart contractions. We also examined markers of heart damage and stress, like enzymes and inflammatory signals.

Our findings were promising. The group that received MK-4 after the I/R injury showed a significant reduction in the size of heart damage, alongside improved heart function. This group also had lower levels of markers related to heart stress and damage, indicating that MK-4 might help the heart recover from the stress of a heart attack. Overall, these results suggest that vitamin K2 could be a valuable ally in enhancing heart health during recovery from ischemic events.
Read More
8
Menaquinone reduces heart attack risk
Dietary intake of menaquinone is associated with a reduced risk of coronary heart disease: the Rotterdam Study.
Study strongly supports vitamin K2 benefits
We explored the effect of dietary intake of menaquinone, commonly known as vitamin K2, on heart attack risk and overall heart health. The investigation drew on data from the Rotterdam Study, tracking 4,807 individuals who did not have prior heart attacks.

Through careful analysis, we observed a noteworthy finding: people who consumed higher amounts of menaquinone had a significantly reduced risk of coronary heart disease (CHD) and all-cause mortality. Specifically, those in the mid to upper intake levels of menaquinone exhibited a risk reduction of 27% and 57% for heart-related deaths compared to those with lower intake.

Interestingly, we found that menaquinone intake also seemed to correlate with lower instances of severe aortic calcification, suggesting its potential role in preventing vascular issues. On the other hand, our analysis indicated that phylloquinone, or vitamin K1, did not show any significant relationship with these health outcomes.

These findings underscore the importance of adequate menaquinone consumption as a potential strategy for heart attack prevention and cardiovascular health improvement.
Read More
7
Rivaroxaban shows promise for LVT
Rivaroxaban versus Vitamin K Antagonists (warfarin) based on the triple therapy for left ventricular thrombus after ST-Elevation myocardial infarction.
Significant findings; needs verification.
We examined the effectiveness of rivaroxaban compared to vitamin K antagonists (VKAs) in treating patients with left ventricular thrombus (LVT) following a heart attack. Our retrospective study involved 1,335 patients and found that rivaroxaban not only worked as effectively as VKAs but also led to quicker LVT resolution.

Although patients taking rivaroxaban experienced fewer adverse events, the difference in bleeding risks between the two treatments wasn't significant. These findings suggest that rivaroxaban may offer clinical advantages, but further research is necessary to confirm these results.
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Most Useful Reviews

9.5
Plaque reduction
Following a heart attack in February 2018, I adopted a plant-based diet and took this product alongside vitamin D3. Remarkably, a recent CT scan revealed that the plaque in my left artery reduced significantly from 95% to moderate, while the other arteries were clear of plaque. I'm grateful for the progress made.
Read More
9.5
No more nosebleeds
I have suffered from nosebleeds since childhood. After some rhino-surgery, the surgeon said the cauterising would help. Fortunately, he was right. In winter, I still experienced them, but since taking two MK-7 capsules daily, they have completely disappeared. Additionally, knowing that vitamin K2 is beneficial for my heart and bones is a pleasant bonus.
Read More
8.8
Decalcification success
This product has effectively removed calcium from my arteries, redirecting it to my bones and teeth. After experiencing a heart attack at 40, my resting heart rate and blood pressure were elevated. Since starting this product a few months ago, my resting heart rate has improved to the 80s, and my blood pressure readings are now normal. I take 1 capsule twice daily, and the neck pains that previously arose with exertion have significantly diminished.
Read More

Medical Researches

SCIENTIFIC SCORE
Possibly Effective
Based on 9 Researches
7.8
  • All Researches
9
Coumarin indicates potential heart protection
A novel synthetised sulphonylhydrazone coumarin (E)-4-methyl-N'-(1-(3-oxo-3H-benzo[f]chromen-2- yl)ethylidene)benzenesulphonohydrazide protect against isoproterenol-induced myocardial infarction in rats by attenuating oxidative damage, biological changes and electrocardiogram.
Promising preliminary findings
We investigated the cardioprotective effects of a newly developed coumarin, known as 5,6-PhSHC, on heart damage caused by isoproterenol-induced myocardial infarction in rats. The study involved treating rats with 5,6-PhSHC or clopidogrel before inducing a heart attack.

Our findings showed that 5,6-PhSHC improved electrocardiogram patterns and reduced markers of heart injury. Additionally, it helped reverse tissue damage and regulated cholesterol levels. While the results are promising, more research is needed to determine its potential for human use.
Read More
9
Menaquinone-4 aids heart recovery
Potential Cardioprotective Role of Menaquinone-4 Against Cardiac Ischemia-reperfusion Injury.
Strong focus on cardiac health
We examined how Menaquinone-4, a form of vitamin K2, could help protect the heart during a critical event known as ischemia-reperfusion (I/R) injury, which often occurs after heart attacks. In our study, we used thirty-two rats, dividing them into three groups: a control group that experienced I/R without treatment, a group that received MK-4 before the injury, and another group that got MK-4 at the beginning of the recovery phase.

By using a specialized apparatus to assess heart function, we measured various indicators of heart health, including the pressure the heart could generate and rates of heart contractions. We also examined markers of heart damage and stress, like enzymes and inflammatory signals.

Our findings were promising. The group that received MK-4 after the I/R injury showed a significant reduction in the size of heart damage, alongside improved heart function. This group also had lower levels of markers related to heart stress and damage, indicating that MK-4 might help the heart recover from the stress of a heart attack. Overall, these results suggest that vitamin K2 could be a valuable ally in enhancing heart health during recovery from ischemic events.
Read More
8
Comparative effectiveness of antithrombotic therapies
One-year clinical outcome of patients with left ventricular thrombus after acute myocardial infarction discharged on triple or dual antithrombotic therapy.
Important findings on therapy types
We evaluated the outcomes of patients with left ventricular thrombus (LVT) after a heart attack, focusing on dual antithrombotic therapy (DAT) versus triple antithrombotic therapy (TAT).

Analyzing a decade's worth of records from our hospital, we found that those on DAT had significantly fewer major complications after one year compared to those on TAT, particularly in terms of bleeding.

With over two-thirds of complications occurring shortly after discharge, the findings suggest that DAT may be the safer option for these patients. However, a randomized study is needed for confirmation.
Read More
8
NOACs outperform VKAs in safety
The use of novel oral anticoagulants compared to vitamin K antagonists (warfarin) in patients with left ventricular thrombus after acute myocardial infarction.
Findings indicate significant advantages.
We examined whether novel oral anticoagulants (NOACs) are more effective than vitamin K antagonists (VKAs) for treating left ventricular thrombus in heart attack patients. In our observational study of 2328 patients, we found that 4.3% had left ventricular thrombus.

Those treated with NOACs showed faster and better thrombus resolution at one year compared to the VKA group. Additionally, major bleeding events were significantly lower in the NOAC group. These findings suggest that NOACs could offer a safer and more effective option for patients post-heart attack.
Read More
8
Menaquinone reduces heart attack risk
Dietary intake of menaquinone is associated with a reduced risk of coronary heart disease: the Rotterdam Study.
Study strongly supports vitamin K2 benefits
We explored the effect of dietary intake of menaquinone, commonly known as vitamin K2, on heart attack risk and overall heart health. The investigation drew on data from the Rotterdam Study, tracking 4,807 individuals who did not have prior heart attacks.

Through careful analysis, we observed a noteworthy finding: people who consumed higher amounts of menaquinone had a significantly reduced risk of coronary heart disease (CHD) and all-cause mortality. Specifically, those in the mid to upper intake levels of menaquinone exhibited a risk reduction of 27% and 57% for heart-related deaths compared to those with lower intake.

Interestingly, we found that menaquinone intake also seemed to correlate with lower instances of severe aortic calcification, suggesting its potential role in preventing vascular issues. On the other hand, our analysis indicated that phylloquinone, or vitamin K1, did not show any significant relationship with these health outcomes.

These findings underscore the importance of adequate menaquinone consumption as a potential strategy for heart attack prevention and cardiovascular health improvement.
Read More

User Reviews

USERS' SCORE
Good
Based on 27 Reviews
8.3
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9.5
Plaque reduction
Following a heart attack in February 2018, I adopted a plant-based diet and took this product alongside vitamin D3. Remarkably, a recent CT scan revealed that the plaque in my left artery reduced significantly from 95% to moderate, while the other arteries were clear of plaque. I'm grateful for the progress made.
Read More
9.5
No more nosebleeds
I have suffered from nosebleeds since childhood. After some rhino-surgery, the surgeon said the cauterising would help. Fortunately, he was right. In winter, I still experienced them, but since taking two MK-7 capsules daily, they have completely disappeared. Additionally, knowing that vitamin K2 is beneficial for my heart and bones is a pleasant bonus.
Read More
8.8
Decalcification success
This product has effectively removed calcium from my arteries, redirecting it to my bones and teeth. After experiencing a heart attack at 40, my resting heart rate and blood pressure were elevated. Since starting this product a few months ago, my resting heart rate has improved to the 80s, and my blood pressure readings are now normal. I take 1 capsule twice daily, and the neck pains that previously arose with exertion have significantly diminished.
Read More
9.5
Calcium regulated
Vitamin K2 ensures calcium is fixed in bones, preventing harmful deposits in arteries and organs, which reduces the risk of heart attack. It's an anti-aging vitamin as it combats calcification associated with ageing. K2 also supports heart health and prevents cataracts while boosting mitochondrial function and overall vitality.
Read More
9.5
Stronger bones
Vitamin K2 MK7 is crucial for heart health as it directs calcium to the bones, essential for strong teeth and bones. A deficiency may lead to calcium accumulating in tissues, risking heart attack. Supplementing with K2 MK7 is vital for maintaining overall health and preventing diseases related to ageing.
Read More
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