Home/ Supplements/ Vitamin K/ K-2 500 mcg MK-4

K-2 500 mcg MK-4

product on market Tablet or Pill Superior Source 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 (MK-4) is supported by moderate evidence for promoting calcium homeostasis and supporting bone and cardiovascular health. Stevia leaf extract serves as a non-nutritive sweetener with a well-established safety profile. Research coverage for this specific formulation is limited.

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

Label

Product Label

Label for K-2 500 mcg MK-4
Open Full PDF View on NIH DSLD →
Details

Label Data

1 MicroLingual(R) Tablet(s)
Serving Size
60
Servings
Botanical with Nutrients
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

500 mcg (625% DV)
4.2× RDA — above typical dose 275 studies (A:9, B:175)
Stevia leaf extract
1 mg

Other Ingredients

Lactose Acacia
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

Directions: As a dietary supplement, dissolve one MicroLingual(R) tablet under the tongue as directed by your healthcare provider. This product may also be chewed/swallowed.

Warnings & Precautions

Warnings: If you are currently taking any anti-coagulant drugs (warfarin, coumadin, heparin, i.e.) or if you are pregnant/lactating, consult your healthcare provider before taking this product.

Keep out of reach of children.

Additional Information

MicroLingual(R)

ITEM # 90410 30603W P01 R04

GMO FREE

Metadata

Product Details

DSLD Entry Date2014-12-29
Product TypeBotanical with Nutrients
FormTablet or Pill
BrandSuperior Source
DSLD ID40476
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 →
Compare

Similar Products

Vitamin K 100 mcg
Vitamin World · Tablet or Pill
100
Vitamin K2
Higher Nature · Tablet or Pill
100
Vitamin K-1
The Vitamin Shoppe · Tablet or Pill
100
Vitamin K1 100 mcg
The Vitamin Shoppe · Tablet or Pill
100
Vitamin K1 100 mcg
Country Life · Tablet or Pill
100
View all Vitamin K products →
Vitamin K research Best Vitamin K All Vitamin K products More from Superior Source View on NIH DSLD →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.