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Scored forOutcome alternatives
21st Century400 count • 400 servingsAvailable now$11.39$0.03 / serving4.7 · 4,779 ratings
86Category leader
#3 of 3452 ranked for gastroesophageal reflux or heartburnLeader · 21st Century, 21st Century, Calcium Plus D3, 90 Tablets — 86
Why this ranks #3 for gastroesophageal reflux or heartburn
Because it wins- Evidence fitCalcium Carbonate is the strongest evidence signal for this outcome.
- Dose fitCalcium Carbonate at 600 mg lands inside the studied 500-1000 mg window.
- Price / serving$0.03 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 · Gastroesophageal reflux or heartburn
86
88
71
99
600 mgIn rangeinside the studied 500-1000 mg window
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