1. Individuals with gastrointestinal disorders that are unable to take oral medications 2. Diagnosed with sarcoidosis within 1 year 3. Diagnosed with parathyroid gland disease within 1 year 4. Diagnosed with tuberculosis within 1 year 5. Diagnosed with kidney calculi within 1 year 6. Concurrent hypercalcemia with plasma calcium level over 10.6 mg/dL 7. Pregnant or breastfeeding individuals 8. Decline to participate in the study 9. Receipt of palliative therapy

1. Individuals with gastrointestinal disorders that are unable to take oral medications 2. Diagnosed with sarcoidosis within 1 year 3. Diagnosed with parathyroid gland disease within 1 year 4. Diagnosed with tuberculosis within 1 year 5. Diagnosed with kidney calculi within 1 year 6. Concurrent hypercalcemia with plasma calcium level over 10.6 mg/dL 7. Pregnant or breastfeeding individuals 8. Decline to participate in the study 9. Receipt of palliative therapy