Which nutrient plays a crucial role in the synthesis of heme, an essential component of hemoglobin?

A Vitamin B12
B Folic acid
C Iron
D Copper
Iron is a critical nutrient for the synthesis of heme, which is an essential component of hemoglobin. Heme is responsible for binding oxygen and transporting it to tissues throughout the body.
Guyton and Hall Textbook of Medical Physiology
Metabolic and Nutritional Disorders Nutrition and Metabolism Mineral Metabolism Easy MEDICAL Confidence: high