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Scored forOutcome alternatives
21st Century100 count • 100 servingsAvailable now$9.49$0.09 / serving4.8 · 7,716 ratings
84−2 pts from leader
#9 of 3452 ranked for gastroesophageal reflux or heartburnLeader · 21st Century, 21st Century, Calcium Plus D3, 90 Tablets — 86
Why this ranks #9 for gastroesophageal reflux or heartburn
- Evidence fitCalcium Carbonate leads the evidence here, backed by Magnesium Oxide.
- Dose fit1 of 2 dosed ingredients land in the studied range. Calcium Carbonate at 500 mg lands inside the studied 500-1000 mg window.
- Price / serving$0.09 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 · Gastroesophageal reflux or heartburn
84
88
67
99
500 mgIn rangeinside the studied 500-1000 mg window
50 mgBelow rangebelow the studied 400-800 mg window
120 mg
525 mcg
30 mcg
15 mg
2.2 mg
25 mcg
13.5 mg
400 mcg
4.2 mg
20 mg
150 mcg
6 mg
525 mcg
3.4 mg
90 mcg
4.5 mg
25 mcg
24 mg
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