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Vitamin K-2

product on market Softgel Capsule GNC Preventive Nutrition Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Vitamin K-2 is researched for its role in supporting bone health and regulating calcium deposition in the body. There is moderate to strong evidence suggesting it works synergistically with Vitamin D to improve bone mineral density. Clinical data supports its general safety profile for most healthy adults.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Vitamin K-2
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Softgel(s)
Serving Size
Vitamin
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

100 mcg (125% DV)
Within RDA (0.8× RDA) 275 studies (A:9, B:175)

Other Ingredients

Soybean Oil Gelatin Glycerin Caramel color Titanium Dioxide
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

DIRECTIONS: As a dietary supplement, take one softgel capsule daily.

Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN.

WARNING: Do not use if pregnant, nursing or are allergic or contraindicated to aspirin. If you are taking aspirin or blood thinning or other medication, consult your healthcare professional before using this product. Discontinue use two weeks prior to surgery, or if upset stomach occurs.

Additional Information

Store in a cool, dry place.

BONE

CODE 096821 AMG

For more information:

Good for the bone-building process* Features 100 mcg of superior vitamin K-2 menaquinone-7

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Metadata

Product Details

UPC / SKU0 48107 10240 1
DSLD Entry Date2011-10-26
Product TypeVitamin
FormSoftgel Capsule
BrandGNC Preventive Nutrition
DSLD ID843
Data Updated2026-04-11
Research

Research Evidence

332
Research Sources
59
Avg Quality
220
Meta Analysis
56
Systematic Review
30
Rct
16
Clinical Trial
3
Guideline
3
Regulatory Source
1
Narrative Review
1
Other
1
Openfda Safety
A Duration of treatment with vitamin K antagonists in symptomatic venous thromboembolism
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Antiplatelet and anticoagulant agents for secondary prevention of stroke and other thromboembolic events in people with antiphospholipid syndrome
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
A Anticoagulants (extended duration) for prevention of venous thromboembolism following total hip or knee replacement or hip fracture repair
Meta Analysis The Cochrane database of systematic reviews 2016 PubMed DOI
A Antiplatelet and anticoagulant agents for secondary prevention of stroke and other thromboembolic events in people with antiphospholipid syndrome
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Direct factor Xa inhibitors versus low molecular weight heparins or vitamin K antagonists for prevention of venous thromboembolism in elective primary hip or knee replacement or hip fracture repair
Meta Analysis The Cochrane database of systematic reviews 2025 PubMed DOI
A Factor Xa inhibitors versus vitamin K antagonists for preventing cerebral or systemic embolism in patients with atrial fibrillation
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Antiplatelet agents and anticoagulants for hypertension
Systematic Review The Cochrane database of systematic reviews 2022 PubMed DOI
A Primary prophylaxis for venous thromboembolism in ambulatory cancer patients receiving chemotherapy
Meta Analysis The Cochrane database of systematic reviews 2012 PubMed DOI
A Factor Xa inhibitors versus vitamin K antagonists for preventing cerebral or systemic embolism in patients with atrial fibrillation
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Anticoagulation for the long-term treatment of venous thromboembolism in patients with cancer
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
View all evidence for Vitamin K →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.