BioStacks
Best for
Ingredients (4)
Calcium
100%Dose
500 mg
Target
200–600 mg
Form
Standard
Vitamin D3
24%Dose
240 IU
Target
1000–5000 IU
Form
Premium
Vitamin C
12%Dose
30 mg
Target
250–2000 mg
Form
Standard
Boron Glycinate
33%Dose
1 mg
Target
3–6 mg
Form
Premium
Other Ingredients (1)
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
How to Take It
Take it anytime
Take it with a meal containing fat — the vitamin D in it absorbs 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
On the label
Consume two capsules daily. You can increase or decrease your intake as required or as guided by your physician.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$49.90
Pricier than 93% of 294 calcium 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.