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Vitamin K2 100 mcg

product on market Tablet or Pill Mason Natural Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Vitamin K2 and calcium are researched for their roles in supporting bone mineral density and cardiovascular health. Evidence for these ingredients is generally strong, though the specific combination in this formulation has limited clinical coverage. The profile maintains a high safety rating for typical users.

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

Label

Product Label

Label for Vitamin K2 100 mcg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
100
Servings
Single Vitamin and Mineral
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

100 mg (83% DV)
833.3× RDA — above typical dose 275 studies (A:9, B:175)
Calcium
40 mg (4% DV)

Other Ingredients

Microcrystalline Cellulose Stearic Acid Croscarmellose Sodium Magnesium Stearate Silicon Dioxide
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: Adults - take one tablet daily, preferably with food, as a dietary supplement.

Warnings & Precautions

Warning: If you are pregnant, nursing, taking any medications or planning any medical procedure, consult your physician before use.

Discontinue use and consult your physician if any adverse reactions occur.

Keep out of reach of children.

Tamper-Evident Seal: Do not use product if seal appears tampered.

Formulation Notes

Guaranteed no added: Sugar, Starch, Yeast, Soy, Corn, Wheat, Dairy, Fish, Tree Nuts, Peanuts, Eggs, Crustacean Shellfish, Fragrance, Artificial Colors, Artificial Flavors, and Preservatives. Sodium free.

Soy free

Additional Information

1768-100

Mason guarantee Laboratory Tested

cGMP Certified Good Manufacturing Practice

Certified

N

Est. 1967

May Support General Health

Soy free

Store in a dry place under controlled room temperature: 20(0)-25(0)C (68(0)-77(0)F).

Metadata

Product Details

UPC / SKU3 11845 17681 3
DSLD Entry Date2019-06-24
Product TypeSingle Vitamin and Mineral
FormTablet or Pill
BrandMason Natural
DSLD ID202116
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.