The short answer · Kidney stone risk
Take calcium citrate for kidney stone risk. This is the one to buy.
KAL, Calcium Citrate 1000, 180 Tablets (333 mg per Tablet)
4.9· 12,898 ratings· $0.28/serving
Calcium Citrate 1000 mg — inside the studied 400-1000 mg window
Of 9,948 products scored for Kidney stone risk, KAL, Calcium Citrate 1000, 180 Tablets (333 mg per Tablet) ranks #1 with a DoseRank score of 84. Calcium Citrate has moderate human evidence for this outcome.
The form“Why Calcium Citrate — not Potassium Citrate or Calcium Lactate?”Evidence Moderate evidence
Calcium Citrate has moderate human evidence for this outcome.
- Calcium CitrateThe pick
Moderate evidence · 1000 mg
Calcium bound to citric acid; absorbed well even without food or with low stomach acid, so it suits older adults and PPI users.
- Potassium Citrate
Strong evidence · 1000 mg
Potassium bound to citrate; well absorbed and alkalinizing, so it is commonly used to lower kidney-stone risk and correct mild deficiency.
- Calcium Lactate
Moderate evidence · 75 mg
Calcium bound to lactic acid; lower elemental content (~13%) than carbonate but gentle and absorbed without food, common in chewable and effervescent products.
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KAL, Calcium Citrate 1000, 180 Tablets (333 mg per Tablet) ranks #1 for Kidney stone risk with a DoseRank score of 84. The score blends clinical strength, evidence, dose fit, trust signals and value across 9,948 products scored for this outcome.
Calcium Citrate has moderate human evidence for this outcome.
Calcium Citrate at 1000 mg lands inside the studied 400-1000 mg window. DoseRank scores this product's dose fit at 90 out of 100.
KAL, Calcium Citrate 1000, 180 Tablets (333 mg per Tablet) works out at $0.28 per serving. $0.28 per serving — mid price tier for this outcome. The cheapest ranked pick here is $0.10 per serving.
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