K-2 with Nattokinase®

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Serving Size: 1 Softgel(s) · 1 per day

Not Present

• 

  Swanson 30 Softgels with Nattokinase

  Swanson Health Products4.8(303)

  $10.52Lowest
• 

  Swanson Vitamins Vitamin K2 - Natural | 100 mcg | 30 Soft Gels

  Swanson Health Products4.8(1200)

  $19.49
• 

  Swanson Nattozimes 60 Veggie Capsules

  Swanson Health Products4.7(332)

  $24.29
• 

  Swanson Vitamins Vitamin K2 - Natural | 50 mcg | 30 Soft Gels

  Swanson Health Products4.7(999)

  $12.09
• 

  Swanson Nattokinase 100 mg 30 Capsule

  Swanson Health Products4.7(308)

  $14.09
• 

  Swanson 200 mg 30 Capsules

  Swanson Health Products4.7(102)

  $16.04
• 

  Swanson 60 Vegan Caps

  Swanson Health Products4.8(2700)

  $12.63
• 

  Swanson Natural Vitamin K2 50 mcg 30 Sgels

  Walmart - Pattern4.8(4)

  $41.11

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

• GNC

  4.7 (202)

  Vitamin & supplements store

  2 Pennsylvania Plaza Ste 29B, New York, NY 10121

  Directions(212) 239-1251

• Willner Chemists

  4.7 (146)

  Vitamin & supplements store

  100 Park Ave, New York, NY 10017

  Directions(800) 633-1106

• BodyHealth, LLC

  4.8 (599)

  Vitamin & supplements store

  745 Main St, Dunedin, FL 34698

  Directions(877) 804-3258

• PureFormulas

  4.7 (1088)

  Vitamin & supplements store

  11800 NW 102nd Rd #2, Medley, FL 33178

  Directions(800) 383-6008

• DailyVita

  4.5 (241)

  Vitamin & supplements store

  76 Hunter St Ste 106, Apex, NC 27502

  Directions(919) 362-3886

• Supplement Superstore

  5.0 (1389)

  Vitamin & supplements store

  8420 Eager Rd, St. Louis, MO 63144

  Directions(314) 961-3935

• Piping Rock Health Products

  3.3 (531)

  Vitamin & supplements store

  2120 Smithtown Ave, Ronkonkoma, NY 11779

  Directions(800) 544-1925

• SameDaySupplements.com

  4.5 (503)

  Vitamin & supplements store

  64 Nancy St Unit c, West Babylon, NY 11704

  Directions(631) 539-7339

• Nutrition, Diet, and Supplements for Peak Physical & Mental Performance

  JD Furber - 1982 - legendarypharma.com

  … Natto is high in many nutrients that promote good gut health and is the richest source of vitamin K2 … The extract is available in pill form from Swanson, VitaCost, and other companies. …

  1982

• Vitamin K is important to health-review

  DC Simes, CSB Viegas, N Araujo, C Marreiros - vitamindwiki.com

  … reaction, vitamin K 2,3-… food natto fermented for 72 h [159] , 35.0 mg/L in a menadione-resistant mutant strain isolated from natto cultivated for four days [160] , and 1719 gg/100 g natto […

• Molecular pathways and roles for vitamin K2-7 as a health-beneficial nutraceutical: challenges and opportunities

  N Jadhav, S Ajgaonkar, P Saha, P Gurav… - Frontiers in …, 2022 - frontiersin.org

  … MK-7 or K2-7 is found to be present in very high concentration in a Japanese traditional food called natto. Natto is made by fermenting soybean using Bacillus subtilis. Another source of …

  2022106 citations

• Vitamin K properties in stroke and Alzheimer's disease: a janus bifrons in protection and prevention

  L Grimaldi, RA Cavallaro, D De Angelis, A Fuso… - Molecules, 2025 - mdpi.com

  … Natto, an aliment produced through the fermentation of soybeans with Bacillus subtilis subspecies Natto, … in the γ-carboxylation process being converted into Vit K-2,3 epoxide, in the so-…

  20259 citations

• Role of vitamin K in bone and muscle metabolism

  N Alonso, A Meinitzer, E Fritz-Petrin, D Enko… - Calcified tissue …, 2023 - Springer

  … Vitamin K-1 (VK-1) and vitamin K-2 (VK-2) are the two main forms of VK that differ only in … VK-2 (menaquinone) is found in fermented soybeans (natto), egg yolk and chicken breast, and …

  2023108 citations

• Vitamin K2 rich food products

  M Yasin, MS Butt, A Zeb - Vitamin K2-Vital for Health and …, 2017 - books.google.com

  … However, the level of MK-7 in natto is still less the recommended daily amount of 180 µg/… Natto is a Japanese traditional food prepared by fermentation of soybean with B. subtilis natto. …

  20176 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2019-02-25. DSLD Label ID: 190970. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.