BioStacks
Best for
Ingredients (6)
Sodium
63%Dose
190 mg
Target
300–1000 mg
Form
Standard
Potassium
48%Dose
48 mg
Target
99–500 mg
Form
Standard
Chloride
15%Dose
336 mg
Target
—
Form
Standard
Magnesium
42%Dose
42 mg
Target
100–400 mg
Form
Not listed
Magnesium Oxide
42%Dose
42 mg
Target
100–400 mg
Form
Budget
Other Ingredients (5)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
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
Croscarmellose SodiumDisintegrant
Cross-linked cellulose derivative used as a superdisintegrant
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
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
For adults, take three (3) tablets with at least 8 ounces of water before, during, or after physical activity. Always take with at least 8 ounces of water to ensure proper hydration. As a reminder, discuss the supplements and medications you take with your health care providers.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$9.99
Cheaper than 88% 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.