BioStacks
Best for
Ingredients (6)
Calcium
100%Dose
600 mg
Target
200–600 mg
Form
Premium
Zinc
100%Dose
15 mg
Target
15–30 mg
Form
Standard
Magnesium
100%Dose
300 mg
Target
100–400 mg
Form
Budget
Manganese
100%Dose
5 mg
Target
1.8–5 mg
Form
Not listed
Copper
100%Dose
1000 mcg
Target
1000–2000 mcg
Form
Not listed
Other Ingredients (6)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
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
Croscarmellose SodiumDisintegrant
Cross-linked cellulose derivative used as a superdisintegrant
Hydroxypropyl CelluloseBinder
An inert modified-cellulose polymer used as a binder, film-former, and disintegrant.
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 a meal containing fat — the vitamin D in it absorbs poorly without one.
With a meal containing fat
Keep it away from high-oxalate foods like spinach
Space it a couple of hours from Iron
On the label
Take 2 tablets daily, preferably in divided doses, with food.Store in a cool, dry place after opening.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$10.40
Cheaper than 83% 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.