Product photo 1 of 9
Scored forOutcome alternatives
21st Century400 count • 400 servingsAvailable now$13.29$0.03 / serving4.8 · 7,624 ratings
86−1 pts from leader
#2 of 3196 ranked for gastroesophageal reflux or heartburnLeader · 21st Century, 21st Century, Calcium Plus D3, 90 Tablets — 87
Why this ranks #2 for gastroesophageal reflux or heartburn
- 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
20 mcg
Retailer links may be affiliate links. Rankings and placement are not paid placement.
