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MK-7 Vitamin K-2 Extra Strength - 300 mcg

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4.8
(7538 ratings)
Vitamin K 300 mcg
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Score98

An extra-strength 300 mcg MK-7 supplement for intensive heart and bone health support.

How scoring works
Quantity:60 Capsule(s)(60 servings)
Goals:
Heart Health
Cardiovascular Support
Anti-Aging
General Health
Bone Health

Score 98

An extra-strength 300 mcg MK-7 supplement for intensive heart and bone health support.

How scoring works
$20.30($0.33 per serving)
Vitacost
$ 21.42
Pure Formulas
$ 21.16
Daily Vita
$ 20.30
iHerb
$ 21.42
iHerb
$ 21.42
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Analysis

This high-potency supplement delivers 300 mcg of Vitamin K2 as MK-7 in each serving. This is one of the strongest doses available, making it helpful for those who want intensive support for their cardiovascular system. It helps activate the proteins that keep calcium in your bones and out of your blood vessels.

The formula is simple and focused, providing only the high-dose K2 that you need. It is a useful tool for maintaining long-term arterial flexibility and structural integrity. Since this is a high dose of a fat-soluble vitamin, it is best taken with a meal to ensure your body uses it properly.

Pros

  • Very high 300 mcg MK-7 dose
  • Supports intensive arterial health
  • Focused, extra-strength formula
  • Highly bioavailable form
  • Good value for the high potency

Cons

  • Dose may be higher than necessary for some
  • Only 60 servings per bottle
  • Does not include D3

Warnings

  • Consult a professional before using this high dose
  • Strictly avoid if taking blood thinners
  • Take with a meal containing fat

Nutrient quality

94 Highest impact

The use of the Menaquinone-7 subtype ensures excellent systemic bioavailability and tissue retention. An extra-strength 300 mcg dose provides high pathway coverage for managing calcium distribution.

Ingredient transparency

99 Highest impact

The supplement label is clear and precise, detailing both the quantity and specific subtype of Vitamin K2. Directions for use are simple, ensuring the product is easy for consumers to implement.

Customer satisfaction

96 Highest impact

A high average rating and a significant review volume suggest strong consumer trust and product reliability. Feedback confirms that users are satisfied with the potency and quality of the extra-strength formula.

Value for money

100 Highest impact

The price per microgram of Vitamin K2 is exceptionally low, providing significant value for an extra-strength product. It represents a highly economical choice for those seeking high-dose MK-7 support.

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Goals

Impact
Highest effect
A+ Goal FitA Strength of SupportC+ CoverageA+ Formula Quality

This high-potency supplement provides 300mcg of the MK-7 form of vitamin K2 per capsule. Vitamin K2 as MK-7 appears well aligned with supporting cardiovascular health by promoting healthy arterial flexibility and preventing calcification.

The 300mcg dose is significantly higher than standard maintenance amounts, offering potent therapeutic support for vascular integrity. By utilizing the MK-7 subtype, this formulation ensures high bioavailability and a longer half-life for consistent heart health benefits.

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Impact
Highest effect
A Goal FitA Strength of SupportC+ CoverageA+ Formula Quality

Vitamin K2 as MK-7 at a 300mcg dose provides high-potency support for vascular elasticity and the prevention of arterial calcification. This specific form is known for its superior bioavailability and long-lasting activity in the body.

Integration of such a significant dose of MK-7 offers focused support for maintaining a healthy and flexible cardiovascular system. It is a highly targeted formula for individuals seeking specific arterial and bone mineral health support.

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Impact
Highest effect
A- Goal FitA Strength of SupportC+ CoverageA+ Formula Quality

Vitamin K2 in the MK-7 form at a high-potency 300mcg dose provides robust support for arterial health and bone density preservation. This concentrated dosage appears well aligned with research focusing on cardiovascular flexibility and age-related vascular protection.

The MK-7 form supports biological utility through its extended half-life in the body. This focused selection provides intensive support for calcium regulation pathways that are essential for supporting a healthy aging process.

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Impact
Highest effect
A- Goal FitA Strength of SupportC CoverageA Formula Quality

Vitamin K2 as MK-7 provides focused support for arterial and bone health. This high-potency dose addresses specific pathways of calcium metabolism that are vital for long-term physiological integrity.

Providing 300 mcg of Menaquinone-7 offers a highly bioavailable form of this fat-soluble vitamin. Sourcing transparency is good, identifying the MK-7 subtype clearly on the supplement panel.

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Impact
High effect
B+ Goal FitA+ Strength of SupportF CoverageB- Formula Quality

High-dose menaquinone-7 provides focused support for the activation of osteocalcin, a protein necessary for mineral deposition in bones. This targeted signaling contributes to improved bone quality and mineral transport efficiency.

Lacking structural minerals like calcium and magnesium, this supplement serves as a specific pathway activator rather than a comprehensive bone support formula. It is most effective when paired with adequate mineral intake from diet or other supplements.

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Ingredients

IngredientAmount per serving
Vitamin K2 (Menaquinone-7)
300 mcg
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
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C+ Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyA+ Value
This extra-strength MK-7 supplement provides a high 300 mcg dose for intense support. It is highly bioavailable and very affordable, though the high dose exceeds current general clinical guidelines.
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