BioStacks
Best for
Ingredients (2)
Phosphorus
100%Dose
200 mg
Target
100–500 mg
Form
—
Calcium
100%Dose
500 mg
Target
200–600 mg
Form
Standard
Other Ingredients (2)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
How to Take It
Take it anytime
Take with food and split doses above 500 mg — absorption drops at higher single doses.
With food
Keep it away from high-oxalate foods like spinach
Space it a couple of hours from Iron, Magnesium and Zinc
On the label
As a dietary supplement, take 2 capsules daily, preferably with food.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$11.62
Cheaper than 78% 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. 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.