BioStacks
Best for
Ingredients (2)
Calcium
100%Dose
1200 mg
Target
200–600 mg
Form
Budget
Magnesium
100%Dose
150 mg
Target
100–400 mg
Form
Budget
Other Ingredients (6)
Coating (unspecified)Coating
Generic tablet coating declaration where the label does not itemize the coating's components; modern aqueous film coatings are typically cellulose-based (HPMC) with a plasticizer
Tapioca DextrinCarrier
A starch hydrolysate from tapioca used as a carrier and flow agent
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
HypromelloseCapsule
Plant-derived capsule material from cellulose
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
StarchBinder
Carbohydrate polymer used as a binder, filler, and disintegrant in tablets and capsules
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, take 4 capsules daily, preferably with a meal or as directed by a healthcare practitioner.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$14.95
Near the median 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.