BioStacks
Swanson

K-2 with Nattokinase

1 Softgel · 30 servings · $0.52/serving

25 / 100Poor

Best for

Score Breakdown

Formulation
29
Safety
87
Final score
25/100

Ingredients (2)

Vitamin K-2

56%

Dose

50 mcg

Target

90–200 mcg

Form

Premium

Nattokinase

100 mg

Unit not recognized — not scored

Other Ingredients (8)

MaltodextrinBinder

Spikes blood sugar faster than table sugar (glycemic index 85–105). Research links it to gut bacteria changes that may promote intestinal inflammation (Nickerson et al. 2015). Used as a cheap filler — adds nothing beneficial.

BeeswaxCoating

Natural wax produced by honeybees, used as a coating and binding agent in softgels and tablets

CarobFlavor

Roasted powder from carob tree pods, used as a caffeine-free chocolate/cocoa substitute for flavor and brown color

Calcium CarbonateBuffer

Common calcium salt used as a buffering agent, filler, or mineral fortification in supplements

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

GlycerinHumectant

Sweet-tasting liquid used in soft capsules and liquids

Purified WaterSolvent

Water meeting USP specifications used as solvent/vehicle in gummies and liquids

Sunflower Seed OilCarrier

Common vegetable oil from sunflower seeds used as a carrier in softgels for fat-soluble nutrients

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.