BioStacks
Best for
Ingredients (2)
Calcium
90%Dose
180 mg
Target
200–600 mg
Form
—
Calcium D-Glucarate
100%Dose
1500 mg
Target
200–1500 mg
Form
—
Other Ingredients (4)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
HypromelloseCapsule
Plant-derived capsule material from cellulose
Croscarmellose SodiumDisintegrant
Cross-linked cellulose derivative used as a superdisintegrant
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
Adults take 1 to 3 capsules three times daily with meals, or as recommended by your healthcare professional.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$43.00
Pricier than 91% 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.