Multiple choice general knowledge Which Vitamin required For The absorption of calcium and phosphates Vitamin E Vitamin B6 (Pyridoxine) Vitamin B3 (Niacin) Vitamin D Reveal answer Fill a bubble to check yourself D Correct answer Explanation Vitamin D is crucial for calcium and phosphate absorption in the intestines, working with parathyroid hormone to regulate blood calcium levels. Without sufficient vitamin D, the body cannot properly absorb calcium regardless of dietary intake.