NOW Nattokinase, 100 mg, 120 Veg Capsules supplement bottle

NOW

Nattokinase, 100 mg, 120 Veg Capsules Review

Q: What are the ingredients in NOW Nattokinase, 100 mg?

NOW Nattokinase, 100 mg contains 1 active ingredients: Nattokinase (2,000 FU)(enzyme from Natto Extract) (Non-GMO soy derived) (100 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Q: Is NOW a trustworthy supplement brand?

NOW receives a brand trust score of 100/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1968 and headquartered in Bloomingdale, Illinois, USA, the company offers 1759 products in their lineup. Note: NOW has 8 historical regulatory incidents on record, which are factored into the trust score.

What We Researched

GoodSupp analyzed 1 active ingredient and 4 inactive ingredients listed for NOW Nattokinase, 100 mg, 120 Veg Capsules. Its current algorithmic Product Score is 75/100. The score evaluates available label transparency, ingredient forms, dosing data, and additives; it does not establish clinical effectiveness.

1 active ingredient analyzed · 4 inactive ingredients decoded · 9 brand certifications checked · Source: IHERB · Label review date: Not available in source data

Method: GoodSupp compares the recorded supplement label, ingredient forms, quantities and additives. Brand records are assessed separately. Product scores describe the available data and do not replace laboratory testing of this product or batch.

Product Score Fair

100

Brand Score Excellent

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

Ingredient	Amount	% DV
Nattokinase (2,000 FU)(enzyme from Natto Extract) (Non-GMO soy derived)	100 mg	**

Bioavailability Excellent

Absorption Rating

Nattokinase (2,000 FU)(enzyme from Natto Extract) (Non-GMO soy derived) Good

Other Ingredients Excellent

Fillers & Additives

Cellulose
Stearic Acid
Silica
Cellulose Powder

Efficacy Very Poor

Dosage Analysis

Nattokinase (2,000 FU)(enzyme from Natto Extract) (Non-GMO soy derived) 100 mg Under-dosed

Supplement Facts

Ingredient	Amount	% Daily Value
Nattokinase (2,000 FU)(enzyme from Natto Extract) (Non-GMO soy derived)	100 mg	**

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Cellulose Powder Safe

Adds bulk and improves flow during manufacturing.

Brand Trust Report

Certifications

9 certifications

Informed Sport Source available Primary evidence

Npa Gmp Source available Primary evidence

Consumerlab Source available Primary evidence

Labdoor Source available Primary evidence

Fda Gmp Inspections Source available Primary evidence

Non Gmo Project Source available Primary evidence

Usda Organic Source available Primary evidence

Vegan Certified Source available Primary evidence

Informed Choice Supporting evidence unavailable checked 2026-05-05

Transparency

5 claims

Coa Availability — Verified Evidence available Evidence

Third Party Testing Claim — Verified Evidence available Evidence

Testing Lab Disclosure — Claimed Brand claim; evidence unavailable

In House Testing — Verified Evidence available Evidence

Violation History

8 incidents

Lawsuit Mislabeled St. John's Wort supplement, containing significantly less of the active ingredient than advertised.None Source available Primary source

Lawsuit A data breach that compromised personal and health information of employees and dependents.2023 Source available Primary source

Prop 65 Lead2021-11-30 Source available Primary source

Recall NOW Real Food® Raw Macadamia Nuts2020-06-12 Source available Primary source

Recall NOW Real Food® Zesty Sprouting Mix2018-06-21 Source available Primary source

Lawsuit Misleadingly using slack-fill packaging for their Vitamin C supplements.2015 Source available Primary source

Fda Warning Adulterated Dietary Supplement due to pesticide (quintozene) contamination in American Ginseng.2007-10-12 Source available Primary source

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Frequently Asked Questions

Is NOW Nattokinase, 100 mg a good supplement?

NOW Nattokinase, 100 mg, 120 Veg Capsules received a product quality score of 75/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 1 active ingredients All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, NOW, holds a brand trust score of 100/100.

What are the ingredients in NOW Nattokinase, 100 mg?

NOW Nattokinase, 100 mg contains 1 active ingredients: Nattokinase (2,000 FU)(enzyme from Natto Extract) (Non-GMO soy derived) (100 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NOW Nattokinase, 100 mg safe to take?

GoodSupp reviewed the inactive-ingredient data available for NOW Nattokinase, 100 mg, 120 Veg Capsules. All 4 inactive ingredients — including capsule materials, fillers, and binders — are currently classified as safe in GoodSupp's ingredient reference data. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is NOW a trustworthy supplement brand?

NOW receives a brand trust score of 100/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1968 and headquartered in Bloomingdale, Illinois, USA, the company offers 1759 products in their lineup. Note: NOW has 8 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.