BioStacks
Best for
Ingredients (2)
Calcium
100%Dose/day
999 mg
Target
200–600 mg
Form
Standard
Magnesium
100%Dose/day
501 mg
Target
100–400 mg
Form
Standard
Other Ingredients (6)
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
Triethyl CitrateCoating
A citric acid ester used as a plasticizer in film and enteric coatings
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Brazilian palm tree wax
Not reviewed yet
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
Label directs 3 servings — keep one for the evening
On the label
Adults: Take 1 caplet 3 times daily with a meal. Take a few hours before or after other medications
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
C$18.99≈ $13.86
Cheaper than 76% of 660 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.