K-2 with Nattokinase

K-2 with Nattokinase

Swanson4.7 (69 ratings)
Format:Softgel Quantity: 30 Softgel(s) · 30 servings
$16.19 $0.53 per serving
iHerb$16.19 Buy

About this product

MK-7 supports calcium-handling proteins, while nattokinase is included for a separate circulation-oriented pathway. Softgel delivery suits the fat-soluble vitamin.

The K2 amount is modest, and nattokinase is listed only by weight without enzyme activity units. That prevents a reliable potency assessment of the enzyme component.

The product fits only adults who specifically want this pairing and have screened bleeding and medication risks. A standalone MK-7 product is easier to manage for basic vitamin K2 use.

Who is it for
  • Adults specifically seeking K2 with nattokinase
  • Users not taking medicines that affect clotting
  • People who prefer softgel delivery
Best for
  • Maintenance MK-7 intake
  • Combined calcium-handling and circulation support
  • Focused two-ingredient use

Pros

  • Preferred MK-7 subtype
  • Softgel suits vitamin K absorption
  • Compact formula

Cons

  • K2 amount is maintenance-level
  • Nattokinase activity units are missing
  • Only moderate value

Warnings

  • MK-7 can oppose warfarin and related vitamin K antagonist medicines
  • Nattokinase may increase bleeding risk with anticoagulant or antiplatelet medicines
  • Discuss perioperative use with the surgical team because nattokinase may affect clotting

Product analysis

66 out of 100
A maintenance-dose MK-7 softgel with nattokinase, limited by missing enzyme activity and significant anticoagulation-fit concerns.

AI assessment of the formula, label and price. How scoring works

Nutrient quality67

Menaquinone-7 is well regarded, while nattokinase quality cannot be judged without activity units, and vitamin K2 is modest, and nattokinase potency is unknown despite a listed weight. Nattokinase may increase bleeding risk when combined with anticoagulant or antiplatelet medicines, while the focused formula avoids unrelated active extras.

Ingredient transparency74

Both active weights are listed, but nattokinase enzyme activity is not disclosed. No proprietary blend hides active doses, while softgel materials and inactive ingredients are not provided.

Customer satisfaction63

The supplied aggregate satisfaction metric is strong, and the feedback volume offers some support but is less robust than heavily reviewed alternatives. No review excerpts were provided, so recurring complaints and purpose-specific experiences cannot be checked.

Value for money56

A focused pairing adds some value, but unknown nattokinase activity weakens the quality case. The serving is relatively costly for modest vitamin K2 and unverified enzyme potency, while the formula avoids low-value extras.

Format
Softgel
Container
30 Softgel(s)
Per serving
$0.53
Customer rating
4.7 · 69 ratings
Report analysis

Ingredients

IngredientAmount per servingScore
Vitamin K-2 (Menaquinone-7)
 50 mcg 77
Nattokinase
100 mg —
Adults 18–50
Report overview
Vitamin K (Menaquinone-7) · 50 mcg OverallScore77
B Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyC Value

Generic MK-7 supplies the preferred form, while the 50 mcg amount fits maintenance rather than the higher target range. Softgel delivery may aid fat-soluble absorption, but the carrier oil is not identified. The midrange serving cost gives only moderate value at a maintenance dose.

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