BioStacks
Best for
Ingredients (4)
Vitamin K2
100%Dose/day
1000 mcg
Target
90–200 mcg
Form
Standard
Vitamin K
100%Dose/day
5000 mcg
Target
90–200 mcg
Form
Not listed
Vitamin K1
100%Dose/day
4000 mcg
Target
90–200 mcg
Form
Not listed
Trans-Geranylgeraniol
17.5 mgNot in our database
Other Ingredients (2)
Medium Chain Triglyceride OilCarrier
Fractionated oils rich in C8/C10 triglycerides used as neutral carrier or anti-sticking agent
SoftgelCapsule
One-piece gelatin capsule shell with a plasticizer (typically glycerin), used to encapsulate liquid or oil-based supplements
How to Take It
Take it anytime
Fat-soluble — take with a meal containing fat for better absorption. Time of day doesn't matter.
With a meal containing fat
Split into 2 doses across the day
On the label
Take 1 softgel twice per day with a meal or as directed by your health-care practitioner.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$42.49
Pricier than 89% of 144 vitamin K supplements
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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. studied 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.