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K-2 with Nattokinase

product on market Softgel Capsule Swanson 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 K-2 and nattokinase are researched for their roles in supporting cardiovascular health and managing calcium deposition. Evidence for these specific benefits is generally considered moderate to limited. This combination is associated with a high safety profile for most users.

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

Label

Product Label

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

Label Data

1 Softgel(s)
Serving Size
Other Combinations
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

50 mcg
Within RDA (0.4× RDA) 275 studies (A:9, B:175)
100 mg
Market median: 100.0mg (70 products)

Other Ingredients

Sunflower Oil Gelatin Glycerin purified (deionized) Water Beeswax Maltodextrin Carob Dibasic Calcium Phosphate
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: As a dietary supplement, take one softgel per day with water.

Warnings & Precautions

Warning: For adults only.

Do not use if you have a blood coagulation disorder and/or if you are taking any drug that affects blood coagulation such as prescription vitamin k, heparin or warfarin (coumadin). Consult your healthcare provider before use if you are taking prescription medication, have a medical condition of if you are pregnant or nursing.

Keep out of reach of children.

Do not use if seal is broken.

Contains sulfites and soy.

Formulation Notes

Natural Vitamin K-2

with Nattokinase

Contains sulfites and soy.

Additional Information

Store in a cool, dry place. Do not refrigerate.

SWU819 Rev 0 06 06 18

Bone and Cardiovascular Health

Metadata

Product Details

UPC / SKU0 87614 02819 4
DSLD Entry Date2019-02-25
Product TypeOther Combinations
FormSoftgel Capsule
BrandSwanson
DSLD ID190970
Data Updated2026-04-11
Research

Research Evidence

4
Research Sources
45
Avg Quality
2
Rct
1
Other
1
Systematic Review
B Nattokinase Supplementation and Cardiovascular Risk Factors: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
Systematic Review Reviews in cardiovascular medicine 2023 PubMed DOI
C Effects of nattokinase on blood pressure: a randomized, controlled trial
Rct Hypertension research : official journal of the Japanese Society of Hypertension 2008 PubMed DOI
C A single-dose of oral nattokinase potentiates thrombolysis and anti-coagulation profiles
Rct Scientific reports 2015 PubMed DOI
D [A clinical study on the effect of nattokinase on carotid artery atherosclerosis and hyperlipidaemia]
Other Zhonghua yi xue za zhi 2017 PubMed DOI
View all evidence for Nattokinase →
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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.