
Product photo 1 of 11
Scored forOutcome alternatives
21st Century90 count • 90 servingsAvailable now$6.17$0.07 / serving4.7 · 11,194 ratings
92Category leader
#1 of 6332 ranked for fracture riskThis product sets the leader mark
Why this ranks #1 for fracture risk
Because it wins- Evidence fitVitamin D3 (Cholecalciferol) and Calcium Carbonate are the strongest evidence signals for this outcome.
- Dose fitCalcium Carbonate at 1000 mg lands inside the studied 1000-1500 mg window.
- Price / serving$0.07 per serving — low price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustStrong trust signals — consistently high marks from verified buyer ratings.
The numbers · Fracture risk
92
93
56
99
20 mcg
1000 mgIn rangeinside the studied 1000-1500 mg window
Retailer links may be affiliate links. Rankings and placement are not paid placement.