BioStacks
Best for
Ingredients (2)
Vitamin K2
100%Dose
90 mcg
Target
90–200 mcg
Form
Premium
Vitamin D
100%Dose
1000 IU
Target
1000–5000 IU
Form
Premium
Other Ingredients (12)
Lemon OilFlavor
Essential oil from lemon peel used as a natural flavoring agent
Potassium SorbatePreservative
Natural preservative derived from sorbic acid
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Citric AcidAcidulant
Natural acid derived from citrus fruits
Extra Virgin Olive OilCarrier
Cold-pressed olive oil used as a carrier and filler in softgel capsules for fat-soluble nutrients
GlycerinHumectant
Sweet-tasting liquid used in soft capsules and liquids
Mixed TocopherolsAntioxidant
Natural vitamin E used as preservative
Stevia ExtractSweetener
Zero-calorie natural sweetener extracted from the leaves of Stevia rebaudiana
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
On the label
As a dietary supplement, take 5 drops (0.16 ml) daily, with a meal, or as directed by a health professional
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$45.60
Pricier than 91% of 144 vitamin K supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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.