BioStacks
Best for
Ingredients (8)
Magnesium
100%Dose
500 mg
Target
100–400 mg
Form
Not listed
Calcium
100%Dose
500 mg
Target
200–600 mg
Form
Not listed
Magnesium Citrate
Amount not found
Magnesium Glycinate
Amount not found
Magnesium Oxide
Amount not found
Nutrition
Calories, macros & sodium.
- Sodium15 mg
Other Ingredients (6)
Titanium DioxideColorant
Banned in the EU (2022) over concerns that its ultra-fine particles may damage DNA in gut cells. Still allowed in the US. Used only for white coloring — provides no health benefit.
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
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
GlycerinHumectant
Sweet-tasting liquid used in soft capsules and liquids
How to Take It
Best taken in the evening
The Magnesium in it is what pulls this toward the evening. Calcium is easier on the stomach taken with food.
With food
Keep it away from high-oxalate foods like spinach
Space it a couple of hours from Iron and Zinc
On the label
As a dietary supplement for adults, take four (4) tablets daily, preferably with a meal.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$30.96
Pricier than 80% 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.