BioStacks
Best for
Ingredients (4)
Vitamin K2
100%Dose/day
640 mcg
Target
90–200 mcg
Form
Premium
Zinc
100%Dose/day
60 mg
Target
15–30 mg
Form
Premium
Magnesium Amino Acid Chelate
100%Dose/day
800 mg
Target
100–400 mg
Form
Standard
Vitamin K1
100%Dose/day
400 mcg
Target
90–200 mcg
Form
Budget
Other Ingredients (2)
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
HypromelloseCapsule
Plant-derived capsule material from cellulose
How to Take It
Best taken in the evening
The Magnesium in it is what pulls this toward the evening. Take it with a meal containing fat — the vitamin K in it absorbs poorly without one.
With a meal containing fat
Space it a couple of hours from Iron and Calcium
Label directs 2 servings — keep one for the evening
On the label
Take one (1) capsule twice daily with food or as recommended by a healthcare practitioner.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$49.99
Pricier than 92% 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.