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Signs of Too Much Calcium: Hypercalcemia Risks & Upper Limits
Recognizing hypercalcemia, constipation, kidney issues, and total daily upper limits (2,000–2,500 mg/day).
By Nourish By Nutrients Editorial Team •
Updated: October 2026
Key Evidence Takeaways:
- Tolerable Upper Intake Level (UL) is 2,500 mg (ages 19-50) and 2,000 mg (ages 51+).
- Symptoms of excess calcium include severe constipation, nausea, kidney stones, and confusion.
- Always add up calcium from food, beverages, and multivitamins combined.