Supplement × Prescription·a caution·Strong evidence
Calcium supplements can combine with calcitriol to cause hypercalcemia, hypercalciuria, kidney stones, or soft tissue calcification.
Every entry follows the same shape: what is happening, the mechanism, and the recommendation.
What is happening. Calcium supplements can combine with calcitriol to cause hypercalcemia, hypercalciuria, kidney stones, or soft tissue calcification.
Mechanism. Calcitriol increases intestinal calcium absorption while supplements increase calcium load.
Recommendation. Use only the calcium amount prescribed and monitor serum calcium as directed.
Effect on the composite score
If both Calcitriol and Calcium are in the same stack, this pair applies −5 to your Stack Score (per scored caution row).
The full algorithm, the clamping rules, and four worked stacks are at /methodology/stack-score.
Every claim on this page is cited. PMIDs link straight to PubMed.
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NutriStack is an informational and organizational tool, not a medical service, and not a substitute for professional advice. Always consult a qualified healthcare professional before starting, stopping, or changing any supplement or medication.
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