Which of the following vitamins is essential for the synthesis of heme in red blood cells?

A Vitamin B12
B Vitamin B6 ✓
C Vitamin E
D Vitamin C

Explanation

Vitamin B6 (pyridoxine) is necessary for the synthesis of heme, which is a critical component of hemoglobin in red blood cells.

Source

Guyton and Hall Textbook of Medical Physiology
Hematology Hematology: Anemia Hematology: Anemia Easy MEDICAL Confidence: high