Biochemistry Which of the following is not the action of calcitriol? A Calcitriol increases the intestinal absorption of calcium B Calcitriol stimulates calcium uptake for deposition as calcium phosphate in the osteoblasts of bone C Calcitriol increases the excretion of calcium and phosphate through the kidney D Calcitriol action is similar to steroid hormones 💡 Explanation Which of the following is not the action of calcitriol? ✓ Correct Answer: C. Calcitriol increases the excretion of calcium and phosphate through the kidney