BioStacks
Best for
Ingredients (13)
Vitamin K2
100%Dose
100 mcg
Target
90–200 mcg
Form
Premium
Vitamin D3
100%Dose
1200 IU
Target
1000–5000 IU
Form
Premium
Magnesium
100%Dose
600 mg
Target
100–400 mg
Form
Standard
Calcium
100%Dose
1221 mg
Target
200–600 mg
Form
Standard
Copper
100%Dose
3000 mcg
Target
1000–2000 mcg
Form
Standard
Other Ingredients (2)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
How to Take It
Take it anytime
No evidence a formula this broad works better at any particular hour. Take it with a meal containing fat — the vitamins D and K in it absorb poorly without one.
With a meal containing fat
Keep it away from high-oxalate foods like spinach
Space it a couple of hours from Iron
On the label
Take 3 capsules twice daily, or as directed by a qualified healthcare professional.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$29.69
Near the median of 158 vitamin K supplements
Track this supplement in your stack
Get personalized insights, interactions, and coverage recommendations.
Get Started FreeSimilar Supplements
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.