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Vitamin K2+D3

Source Naturals
4.8
★ ★ ★ ★ ★
(1214 ratings)
Vitamin K 100 mcg
Product Image
Score96

A balanced tablet with calcium and bone-supporting vitamins.

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

Score 96

A balanced tablet with calcium and bone-supporting vitamins.

How scoring works
$11.89($0.19 per serving)
iHerb
$ 12.92
Pure Formulas
$ 13.48
Vitacost
$ 13.25
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Analysis

This formula combines Vitamin D3 and K2 with a base of calcium. It is designed to provide the signaling vitamins alongside the actual mineral they help manage in the bones.

The dose of D3 is lower than many other products, making it better for general maintenance than for fixing a deficiency. The MK-7 form ensures the K2 component is long-lasting and effective.

Pros

  • Includes calcium for extra bone support
  • Uses the bioavailable MK-7 form
  • Affordable price per serving
  • Lower D3 dose for sensitive users

Cons

  • Tablet form can be harder to absorb
  • Low D3 dose may not be enough for some

Warnings

  • Take with a meal containing some fat
  • Consult a professional if you have a history of kidney stones

Nutrient quality

92 Highest impact

Synergy of D3, MK-7, and Calcium provides comprehensive support for calcium metabolism and structural health. While effective, the tablet format lacks a lipid base, making consumption with dietary fat necessary for optimal uptake.

Ingredient transparency

99 Highest impact

Active ingredient quantities and specific subtypes are clearly disclosed on the supplement facts panel for consumer clarity. Intake guidance and naming are straightforward, ensuring high transparency for this formula.

Customer satisfaction

96 Highest impact

Consistently strong ratings and a large review count reflect high user confidence and reliability for this formulation. User feedback confirms that the product generally meets consumer expectations for heart and bone support.

Value for money

95 Highest impact

Competitive price point for a triple-nutrient formula offers strong value for consumers seeking comprehensive support. Each serving provides meaningful dosages of core active ingredients at a reasonable cost.

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Goals

Bone Health
Impact
Highest effect
A+ Goal FitA- Strength of SupportB+ CoverageA+ Formula Quality

Vitamin D3 and Vitamin K2 as Menaquinone-7 provide focused support for the transport and deposition of calcium into skeletal tissue. This combination is highly effective for ensuring that minerals are directed toward the bones rather than arterial walls.

Providing clinical doses of these fat-soluble vitamins supports the activation of osteocalcin for bone matrix mineralization. The inclusion of Calcium ensures that the raw materials for structural density are present alongside the necessary signaling factors.

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

Vitamin K2 and Vitamin D3 work synergistically to support foundational bone health and cardiovascular resilience. These essential nutrients are critical for maintaining mineral balance and appear well aligned with long-term physiological health.

The 100 mcg dose of Vitamin K2 as MK-7 ensures high bioavailability for effective systemic support. This combination provides a focused and meaningfully dosed approach to addressing two of the most common nutritional gaps in foundational wellness.

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

This targeted supplement combines Vitamin K2 (as MK-7) and Vitamin D3 to support arterial health and mineral metabolism. Vitamin K2 appears well aligned with the goal of preventing arterial calcification by activating proteins that manage calcium.

Vitamin D3 and K2 work synergistically to ensure calcium is directed to the bones and away from the blood vessels. This combination is a highly effective strategy for maintaining vascular elasticity and overall cardiovascular structural integrity.

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

This targeted supplement combines Vitamin K2 as MK-7 with Vitamin D3 to support vascular health and prevent arterial calcification. The 100 mcg dose of MK-7 is squarely within the clinical range for providing meaningful cardiovascular support.

Vitamin K2 and D3 appear well aligned as they work together to ensure proper calcium distribution in the body. This product is a highly effective tool for maintaining blood vessel flexibility and supporting overall heart health.

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Anti-Aging
Impact
High effect
A- Goal FitC+ Strength of SupportD+ CoverageA- Formula Quality

Vitamin K2 as Menaquinone-7 (MK-7) and Vitamin D3 are included to support bone density and vascular health by directing calcium distribution. This synergy is essential for addressing arterial calcification and maintaining structural integrity as part of the aging process.

The dry tablet format lacks the lipid base required for optimal absorption of these fat-soluble vitamins. While the MK-7 dose is clinically relevant, the Vitamin D dose is relatively low for addressing common age-related deficiencies.

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Ingredients

IngredientAmount per serving
Vitamin D3 (Cholecalciferol)
 10 mcg
Vitamin K-2 (Menaquinone-7)
 100 mcg
Calcium (Dibasic Calcium Phosphate)
 110 mg
Gluten Free Adults 18–50 Dairy Free
Report overview
Vitamin K (Menaquinone-7) · 100 mcg OverallScore87
C+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
This targeted supplement provides a clinical dose of high-quality Vitamin K2 as MK-7. While it lacks a built-in lipid base, its active form and dosage are excellent for bone and cardiovascular health.
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