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Best Vitamin K Supplements (2026)

Ranked by safety score and evidence coverage from 0 independent research sources

363
Products Analyzed
0
Research Sources
98
Avg Safety Score
100%
Evidence-Backed

What the Research Says

✨ AI-generated · Qwen 3.6 · methodology

Vitamin K is a fat-soluble vitamin essential for blood coagulation. The provided research focuses heavily on Vitamin K Antagonists (VKAs), which are used clinically to inhibit clotting for the prevention and treatment of thromboembolic events.

Venous Thromboembolism (VTE): strong Atrial Fibrillation: strong Antiphospholipid Syndrome: strong

AI-generated summary. See methodology.

Rankings

Top-Ranked Vitamin K Products

Ranked by safety score (0–100), then evidence coverage.

1
Vitamin K-2
GNC Preventive Nutrition · Softgel Capsule
100 100%
2
Vitamin K 100 mcg
Vitamin World · Tablet or Pill
100 100%
3
Bio-K-Mulsion
Biotics Research Corporation · Liquid
100 100%
4
Vitamin D Synergy with Vitamin K1
Designs for Health · Capsule
100 100%
5
Vitamin D Synergy with Vitamin K1
Designs for Health · Capsule
100 100%
6
Natural Vitamin K2 45 mcg
Doctor's Best · Capsule
100 100%
7
Vitamin K-2
NewtonEverett · Softgel Capsule
100 100%
8
K 100 mcg
Thompson · Capsule
100 100%
9
Vitamin K2
Higher Nature · Tablet or Pill
100 100%
10
Vitamin K-1
The Vitamin Shoppe · Tablet or Pill
100 100%
11
Vitamin K2 300 mcg MK-7
Innerzyme · Capsule
100 100%
12
Vitamin K1 100 mcg
The Vitamin Shoppe · Tablet or Pill
100 100%
13
Low-Dose Vitamin K2 45 mcg
Life Extension · Softgel Capsule
100 100%
14
Natural Vitamin K-2 Bioactive Form
Vitamin World · Softgel Capsule
100 100%
15
Vitamin K1 100 mcg
Country Life · Tablet or Pill
100 100%
16
Vitamin K 100 mcg
Radiance Platinum · Tablet or Pill
100 100%
17
Vitamin K2 50 mcg
Vitacost · Softgel Capsule
100 100%
18
Vitamin K 100 mcg
Superior Source · Tablet or Pill
100 100%
19
Vitamin K2 100 mcg
Natural Factors · Capsule
100 100%
20
Vitamin K-2 80 mcg
Indiana Botanic Gardens · Capsule
100 100%

Showing top 20 of 363 products. View all products →

How We Rank

Products are ranked by safety score (0–100), which considers UL exceedance, unsupported health claims, and proprietary blend disclosure. Products with equal safety scores are then sorted by evidence coverage — the percentage of ingredients backed by Tier-A or Tier-B research.

Safety scores are computed from product label data (DSLD) cross-referenced with 0 research sources. See our Editorial Policy for full methodology.