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Scored forOutcome alternatives
21st Century250 count • 83 servingsAvailable now$10.44$0.13 / serving4.7 · 113,298 ratings333 / day
92Category leader
#3 of 9504 ranked for bone mineral densityLeader · 21st Century, 21st Century, Calcium Plus D3, 90 Tablets — 92
Why this ranks #3 for bone mineral densityBecause it wins
- Evidence fitVitamin D3 (Cholecalciferol) and Calcium Carbonate are the strongest evidence signals for this outcome.
- Dose fit1 of 2 dosed ingredients land in the studied range. Vitamin D3 (Cholecalciferol) at 10 mcg sits below the studied 800-4000 IU window.
- Price / serving$0.13 per serving — mid price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustStrong trust signals — consistently high marks from verified buyer ratings.
Trade-offsDose fit is the weak spot on this listValue for money trails the rest of this list
The numbers · Bone mineral densityWhat's inside
92
94
66
99
10 mcgBelow rangebelow the studied 800-4000 IU window
1000 mgIn rangeinside the studied 500-1200 mg window
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