BioStacks
Best for
Ingredients (3)
Calcium
100%Dose/day
600 mg
Target
200–600 mg
Form
Premium
Vitamin K
100%Dose/day
180 mcg
Target
90–200 mcg
Form
Premium
Vitamin D
100%Dose/day
1000 IU
Target
1000–5000 IU
Form
Premium
Other Ingredients
No other ingredients listed
How to Take It
Take it anytime
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, Magnesium and Zinc
Split into 2 doses across the day
On the label
Two tablets daily, during or immediately after a meal, or as directed by a healthcare professional
General guidance based on the ingredients, not a substitute for the label or your doctor.
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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.