BioStacks
Best for
Ingredients (2)
Calcium
100%Dose/day
666.7 mg
Target
200–600 mg
Form
Premium
Vitamin D
67%Dose/day
666.4 IU
Target
1000–5000 IU
Form
Premium
Other Ingredients
No other ingredients listed
How to Take It
Take it anytime
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, Magnesium and Zinc
Split into 2 doses across the day
On the label
Directions + Warnings Two to three tablets daily, during or immediately after a meal, or as directed by a healthcare professional
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
A$20.49≈ $13.32
Cheaper than 71% of 294 calcium supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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. studied 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.