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Vitamin D3 25 mcg (1000 IU) & K2 120 mcg

Natural Factors
4.7
★ ★ ★ ★ ★
(3275 ratings)
Vitamin K 120 mcg
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Score99

A premium, well-absorbed softgel with high-quality Vitamin K2 from Natto.

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

Score 99

A premium, well-absorbed softgel with high-quality Vitamin K2 from Natto.

How scoring works
$20.97($0.34 per serving)
iHerb
$ 20.97
Pure Formulas
$ 20.97
Vitacost
$ 20.97
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Analysis

This softgel provides 1000 IU of D3 and 120 mcg of Vitamin K2 from Natto. The oil-based softgel ensures that these fat-soluble vitamins are effectively absorbed by your system.

The K2 dose is slightly higher than the standard 90 mcg, offering better support for arterial flexibility. It is an excellent choice for those wanting moderate D3 and strong K2 in one pill.

Pros

  • Softgel form offers excellent absorption
  • Includes 120 mcg of the effective MK-7 form
  • Lower maintenance dose of D3 for sensitive users
  • Great value for the clinical dose provided

Cons

  • D3 levels may be too low for some deficiencies
  • Only 60 servings per bottle

Warnings

  • Contains soy (from natto sources)
  • Talk to a professional if you take anticoagulants

Nutrient quality

99 Highest impact

Utilization of a softgel delivery system significantly improves the uptake of cholecalciferol and MK-7. Clinical dosing for Vitamin K2 aligns well with therapeutic standards for systemic calcium management.

Ingredient transparency

100 Highest impact

Labeling explicitly identifies the softgel format and the precise milligram and microgram doses for all active nutrients. Detailed disclosure allows for high confidence in evaluating absorption potential.

Customer satisfaction

97 Highest impact

Strong average ratings and a large review count indicate consistent reliability and user approval. Feedback suggests the softgel format is preferred for its ease of use and perceived effectiveness.

Value for money

99 Highest impact

Highly competitive pricing per serving for a softgel-based clinical-strength Vitamin K2 supplement. Excellent overall value is provided through the combination of superior forms and affordability.

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Goals

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

This synergistic blend provides 1,000 IU of vitamin D3 and 120 mcg of vitamin K2 to support calcium metabolism and cardiovascular wellness. These foundational nutrients work together to direct calcium to the skeletal system while protecting soft tissues.

The use of menaquinone-7 ensures the vitamin K component is highly bioavailable and long-acting. This formula appears well aligned with long-term foundational health and daily vitality goals.

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

Vitamin K2 as MK-7 and Vitamin D3 are delivered in a softgel format to support arterial health and calcium balance. The 120 mcg dose of MK-7 is particularly well-suited for maintaining vascular flexibility and heart health.

Providing MK-7 in a lipid-based softgel ensures optimal absorption of these fat-soluble vitamins. This combination is a highly effective way to address the pathway of vascular calcification and long-term cardiovascular integrity.

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Anti-Aging
Impact
Highest effect
A Goal FitA+ Strength of SupportB- CoverageA+ Formula Quality

The formulation provides a high-potency dose of 120 mcg Vitamin K2 as MK-7 and 25 mcg Vitamin D3 to support vascular and skeletal health. These ingredients appear well aligned with preventing arterial calcification and maintaining bone density as endogenous levels decline with age.

The softgel delivery system significantly supports the bioavailability of these fat-soluble vitamins. Human clinical data confirms that MK-7 at this dosage provides meaningful systemic support for cardiovascular flexibility and structural integrity.

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

High-quality vitamin K2 as menaquinone-7 supports the healthy distribution of calcium, helping to maintain blood vessel elasticity. This focused combination appears well aligned with the goal of preventing arterial calcification.

Vitamin D3 and K2 work synergistically to support vascular integrity and mineral balance. The softgel format ensures that these fat-soluble nutrients are delivered in an absorbable manner for maximum benefit.

View goal →
Bone Health
Impact
Highest effect
B Goal FitA+ Strength of SupportD CoverageA+ Formula Quality

This targeted signaling supplement provides a clinically relevant combination of Vitamin D3 and Vitamin K2 as Menaquinone-7. These nutrients work in synergy to facilitate the proper transport and deposition of calcium into the bone matrix.

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Ingredients

IngredientAmount per serving
Vitamin D3 (Cholecalciferol)
 25 mcg
Vitamin K2 (Menaquinone-7, Natto)
 120 mcg
Gluten Free Adults 18–50 Dairy Free
Report overview
Vitamin K (Menaquinone-7, Natto) · 120 mcg OverallScore95
A- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
This targeted supplement provides a clinical dose of high-quality Vitamin K2 as MK-7 in a highly bioavailable softgel format. Its clinical dosage and price efficiency make it an excellent choice for Vitamin K support.
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