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- Evidence fitCalcium Carbonate leads the evidence here, backed by Magnesium Oxide.
- Dose fitMagnesium Oxide at 500 mg lands inside the studied 400-800 mg window.
- Price / serving$0.40 per serving — high price tier for this outcome.
- AvailabilityIn stock across major retailers; 99% availability confidence.
- TrustMixed trust signals — ratings are positive but the base is limited.
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