BioStacks
Best for
Ingredients (2)
Calcium Aspartate Anhydrous
100%Dose
1000 mg
Target
200–600 mg
Form
Budget
Calcium
100%Dose
200 mg
Target
200–600 mg
Form
Budget
Other Ingredients (2)
Rice FlourFiller
Rice-based ingredients carry risk of inorganic arsenic contamination (FDA and Consumer Reports). Rice accumulates arsenic from soil at higher rates than other grains. Used as a cheap filler — adds nothing beneficial.
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
Our wellness supplements offer everyday solutions for an enhanced mind, body, and home using only the purest ingredients. For best results, one to two times per day
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$10.89
Cheaper than 81% of 294 calcium supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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.