Calcium supplements linked to cognitive decline in older women — but the evidence is mixed
cognition · Examine.com Study Summaries — June 8–15, 2026 · 2026
In 227 older French women followed 7 years, calcium supplement use was linked to 3.6× higher odds of cognitive decline. Dietary calcium intake was not. A 2025 trial reanalysis found no dementia signal.
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Examine.com
Research lens
In 227 older French women followed 7 years, calcium supplement use was linked to 3.6× higher odds of cognitive decline. Dietary calcium intake was not. A 2025 trial reanalysis found no dementia signal.
- calcium
- cognitive decline
- older women
- supplements
- observational