Also known as: Calcium, Calcium citrate, Citracal
Well-absorbed calcium form that doesn't require stomach acid. Better for those on acid-reducing medications.
Safe long-term
Those on PPIs, older adults
We haven’t curated landmark studies for Calcium Citrateyet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.
Well-absorbed calcium form
Important during pregnancy
Caution kidney stones
In-depth guides covering Calcium Citrate — protocols, comparisons, and use cases.
Other ingredients in the Mineral category.
Formulate Research Team. (2026, September). Calcium Citrate — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/calcium-citrate
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.