Brand: Douglas Laboratories

CapsuleOther CombinationsOff Market
Click to view full label

Net Contents

60 Vegetarian Capsules

Serving Size

1–2 Vegetarian Capsules

Servings Per Container

60

Supplement Form

Capsule

Bar Code (UPC/SKU)

3 10539 02240 5

Product Version

Formula #99250

Label Analysis

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

3Active Ingredients

3 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

1Dietary Attributes

Label states: Gluten-Free.

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

Allergen Guide

Contains

  • Milk
  • Gluten

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.

Supplement Facts

Serving Size: 1–2 Vegetarian Capsules · 1 per day

IngredientAmount Per Serving
Nattokinase(Soy)50 mg—
Hesperidin Methylchalcone100 mg—
Standardized Pomegranate extract(Ellagic Acid)50 mg—

Not Present

Other Ingredients

CelluloseVegetable Stearate

Target Groups

Adult (18 - 50 Years)Gluten FreeDairy FreeSugar Free

Label Claims

All Other

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Usage: As a dietary supplement, adults take 1-2 capsule daily or as directed by your healthcare professional.

Warnings & Precautions

Precautions re: Pregnant or Nursing or Prescription Medications

Warning: Do not use if you are pregnant or breast feeding, if you are taking anticoagulant drugs (such as Warfarin) or other medications that effect blood clotting, or if you are at risk for any bleeding disorder.

Precautions re: Children

KEEP OUT OF REACH OF CHILDREN.

Precautions re: All Other

Tamper resistant package, do not use if outer seal is missing.

Storage

Storage

For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)

Formulation

Formulation re: Does NOT Contain

This product contains NO yeast, gluten, milk/dairy, corn, sodium, sugar, starch, artificial coloring, artificial preservatives or genetically modified organisms (GMOs).

FDA Statements

FDA Statement of Identity

A Dietary Supplement

Other Label Statements

Brand IP Statement(s) re: (c), (TM), (SM)

NSK-SD is a registered trademark of Japan BioScience Laboratories.

General: Product/Version Code

Formula #99250

Manufacturer & Distributor

Manufacturer

Douglas Laboratories

600 Boyce Road, Pittsburgh, PA, 15205, USA

1.800.245.4440

Market Reference

$6.79 – $1173.00· 40 listings
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  • Max Strength Nattokinase - 180 Capsules

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  • Nutricology Softgels NattoZyme 100 mg

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  • Nattokinase Circulation Support – 60ct

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  • DS Laboratories Spectral CSF Women's Thinning Hair

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  • NOW 100 mg Nattokinase

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  • Force Factor Nattokinase 2000 FU 90 Vegetable Capsules

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Where to Buy Locally

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.

  • Club Nutrition With Purpose Herbalife

    4.5 (26)

    Smart shop

    1646 Providence Blvd Suite 102, Deltona, FL 32725

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    245 Wheelhouse Ln #1471, Lake Mary, FL 32746

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    862 Saxon Blvd, Orange City, FL 32763

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    3440 St Johns Pkwy #1092, Sanford, FL 32771

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    4.7 (56)

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    118 Middle St #1000, Lake Mary, FL 32746

  • Nature's Market & Fitness

    4.6 (118)

    Vitamin & supplements store

    3074 Curry Ford Rd, Orlando, FL 32806

Research & Studies

  • Consumption of nattokinase is associated with reduced blood pressure and von Willebrand factor, a cardiovascular risk marker: results from a randomized, double …

    GS Jensen, M Lenninger, MP Ero… - … Blood Pressure Control, 2016 - Taylor & Francis

    … The objective of this study is to evaluate the effects of consumption of nattokinase on hypertension in a North American hypertensive population with associated genetic, dietary, and …

    2016103 citations
  • Nattokinase atherothrombotic prevention study: A randomized controlled trial

    HN Hodis, WJ Mack, HJ Meiselman… - Clinical …, 2021 - journals.sagepub.com

    … differ between nattokinase supplementation and placebo. Additionally, there was no significant effect of nattokinase supplementation on blood pressure or any laboratory determination. …

    202138 citations
  • Nattokinase and Vascular Health

    J Story, RFMB Guarantee - insights.tessmed.com

    … nattokinase and vascular health and why you should include an advanced nattokinase supplement in … Consult your healthcare provider before taking a nattokinase supplement alone or …

  • Candidate treatments for long COVID: a narrative review of expert and patient-driven priorities

    SN Baptista, T Atkins, S Chakraborty, M Bakhit… - Frontiers in …, 2026 - frontiersin.org

    … Nattokinase is an enzyme produced during the fermentation of soybeans to create ‘natto’, a traditional Japanese food. It has been speculated that Nattokinase … Nattokinase supplements …

    2026
  • SAT-360 Out of Sight, out of Mind: PHEX 3'-UTR C.* 231A> G X-Linked Hypophosphatemia in Adults: A Case Study of One Family Pedigree with a Widely …

    A Williams, M Black, K Dahir - Journal of the Endocrine Society, 2020 - academic.oup.com

    … We compared for weight only from the day Nattokinase was started until follow-up, which varied from 4 months to 1 year 8 months. Results: Group 1: After 3 months, there was no …

    20201 citations
  • Effective treatment of chronic fatigue syndromeand fibromyalgia: a comprehensive medicine approach

    J Teitelbaum - Townsend Letter, 2011 - go.gale.com

    … D-ribose (Corvalen-Douglas Labs) - as CFS/fibromyalgia represents an energy crisis, it is … absorbed curcumin, Boswellia, DLPA, and nattokinase, which is remarkable for pain in general …

    2011

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2016-03-24. DSLD Label ID: 57543. 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.