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Vitamin D + K2

Thorne
4.9
★ ★ ★ ★ ★
(30902 ratings)
Vitamin K 200 mcg
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Score98

An oil-based D3 and K2 liquid for superior absorption and arterial support.

How scoring works
Quantity:1 Fluid Ounce(s) • (600 servings)
Goals:
Cardiovascular Support
General Health
Heart Health
Anti-Aging
Bone Health

Score 98

An oil-based D3 and K2 liquid for superior absorption and arterial support.

How scoring works
$34.00($0.05 per serving)
Pure Formulas
$ 34.00
Vitacost
$ 34.00
iHerb
$ 34.00
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Analysis

The oil delivery system naturally provides the lipid medium needed for the optimal absorption of these fat-soluble vitamins. It provides a robust 200 mcg of Vitamin K2 alongside Vitamin D3 to support calcium transport.

This pairing targets both arterial flexibility and skeletal density maintenance. The concentrated liquid format is easy to dose and offers great value, making it ideal for long-term daily use.

Pros

  • Exceptional value (600 servings)
  • Oil-based for maximum absorption
  • High 200 mcg Vitamin K2 dose
  • Easy to dose with liquid dropper

Cons

  • Liquid can be messy if not careful
  • K2 subtype not specifically MK-7
  • Plain taste may not appeal to all

Warnings

  • Store upright and in a cool place
  • Consult a professional if on blood thinners
  • One drop is a full serving; do not exceed

Nutrient quality

97 Highest impact

Oil-based delivery format naturally enhances the absorption of fat-soluble cofactors like Vitamin D3 and K2. A 200 mcg dose of MK-7 provides meaningful support for intensive mineral transport and cardiovascular maintenance.

Ingredient transparency

99 Highest impact

The supplement label is clear, detailing the specific amounts of both D3 and K2 provided per drop. While usage guidance is simple, the nature of a liquid dropper requires consumer diligence for accurate dosage administration.

Customer satisfaction

98 Highest impact

An exceptionally large review volume and a very high average rating indicate widespread consumer trust and satisfaction. Feedback confirms the product's quality and perceived effectiveness across bone and heart goals.

Value for money

100 Highest impact

The price per serving is exceptionally low, offering high-potency synergistic vitamins at a very small cost. It represents an industry-leading value for those seeking bioavailable liquid Vitamin D3 and K2.

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Goals

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

This liquid formula provides 200mcg of Vitamin K2 alongside Vitamin D3 in a bioavailable oil base. Vitamin K2 is essential for heart health as it helps prevent the calcification of arterial walls, maintaining vascular flexibility.

The oil-based delivery system is optimal for these fat-soluble vitamins, ensuring superior absorption compared to dry capsules. It is a highly effective and cost-efficient option for supporting long-term cardiovascular and bone health.

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

Vitamin D3 and Vitamin K2 are combined in an oil-based liquid format to support core immune health and foundational bone density. This synergistic pairing may contribute to more efficient calcium transport and cardiovascular resilience.

The oil delivery system naturally provides the lipid medium necessary for the optimal absorption of these fat-soluble vitamins. High-potency doses of both active agents provide meaningful support for maintaining systemic health and long-term vitality.

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

Vitamin D3 and vitamin K2 work synergistically to regulate calcium distribution, which supports arterial flexibility and prevents vascular calcification. The high-potency liquid format provides 200 mcg of K2 per serving, making it a meaningful addition to a heart health regimen.

The oil-based delivery system ensures that these fat-soluble nutrients are effectively absorbed by the body. This concentrated approach addresses a critical pathway for long-term cardiovascular maintenance.

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Anti-Aging
Impact
Highest effect
A+ Goal FitB+ Strength of SupportC+ CoverageA+ Formula Quality

Arterial flexibility and skeletal health are supported through a combination of Vitamin D3 and K2. This formula appears well-aligned with goals focused on preventing the age-related calcification of tissues and maintaining structural integrity.

The liquid format provides a built-in lipid base, ensuring optimal absorption for these fat-soluble vitamins. While the specific K2 subtype is not clearly specified on the label, the oil-based delivery system represents a superior choice for bioavailability compared to dry capsules.

View goal →
Bone Health
Impact
Highest effect
A- Goal FitA- Strength of SupportC CoverageA+ Formula Quality

This liquid supplement features a high-bioavailability blend of vitamin D3 and vitamin K2 for optimized calcium deposition. The oil-based format naturally assists in the absorption of these fat-soluble vitamins without the need for additional tablets.

Providing 25 mcg of vitamin D3 and 200 mcg of vitamin K2 supports the activation of osteocalcin for bone remodeling. This formula is highly effective for those seeking to enhance the regulatory pathways of skeletal health.

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Ingredients

IngredientAmount per serving
Vitamin D (Vitamin D3)
 25 mcg
Vitamin K (Vitamin K2)
 200 mcg
Adults 18–50
Report overview
Vitamin K (Vitamin K2) · 200 mcg OverallScore51
D+ Active Ingredient Quality & BioavailabilityF Dose, Safety & Label TransparencyA+ Value
This high-bioavailability liquid supplement provides a therapeutic dose of Vitamin K2. Its oil-based delivery system ensures maximum absorption, making it an excellent and affordable choice for long-term support.
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