BioStacks
Best for
Ingredients (5)
Magnesium
100%Dose
200 mg
Target
100–400 mg
Form
Standard
Potassium
100%Dose
100 mg
Target
99–500 mg
Form
Standard
Calcium
50%Dose
99 mg
Target
200–600 mg
Form
Budget
Sodium
33%Dose
100 mg
Target
300–1000 mg
Form
Standard
Chloride
9%Dose
210 mg
Target
—
Form
Standard
Other Ingredients (2)
LeucineFlow Aid
Branched-chain amino acid used as a processing aid
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Best taken in the evening
The Magnesium in it is what pulls this toward the evening. Take it with food — the potassium in it is what makes this kind of product feel nauseating on an empty stomach.
With food
Keep it away from high-oxalate foods like spinach
Space it a couple of hours from Iron and Zinc
On the label
Take 2 capsules daily.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$29.86
Near the median of 638 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.