Product photo 1 of 7
Scored forOutcome alternatives
21st Century120 count • 60 servingsAvailable now$8.07$0.13 / serving4.8 · 21,504 ratings
83−1 pts from leader
#3 of 9132 ranked for kidney stone riskLeader · KAL, KAL, Calcium Citrate 1000, 180 Tablets (333 mg per Tablet) — 84
Why this ranks #3 for kidney stone risk
- Evidence fitCalcium Citrate and Vitamin D3 (Cholecalciferol) have moderate human evidence for this outcome.
- Dose fitCalcium Citrate at 630 mg lands inside the studied 400-1000 mg 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.
The numbers · Kidney stone risk
83
86
76
99
630 mgIn rangeinside the studied 400-1000 mg window
12.5 mcg
Retailer links may be affiliate links. Rankings and placement are not paid placement.
