BioStacks
Best for
Ingredients (6)
Calcium
100%Dose
450 mg
Target
200–600 mg
Form
Premium
Manganese
100%Dose
4 mg
Target
1.8–5 mg
Form
Standard
Zinc
73%Dose
11 mg
Target
15–30 mg
Form
Standard
Copper
75%Dose
750 mcg
Target
1000–2000 mcg
Form
Standard
Vitamin D2
76%Dose
760 IU
Target
1000–5000 IU
Form
Budget
Other Ingredients (4)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Ascorbyl PalmitateAntioxidant
Fat-soluble form of vitamin C used as preservative
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
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 3 capsules 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
$13.43
Cheaper than 71% 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.