Answer
It is a synthetic form of active vitamin D that selectively activates vitamin D receptors. It is prescribed for secondary hyperparathyroidism rather than routine vitamin D supplementation.
Sources for this answer
- Zemplar Soft Capsules 2 mcg — Current selected SmPCemc · Summary of Product Characteristics
- Zemplar 5 microgram/ml Solution for Injection — Current selected SmPCemc · Summary of Product Characteristics
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