Which of the following nutrients is essential for the maintenance of healthy bones and teeth, and also plays a crucial role in the regulation of muscle and nerve function?

A Vitamin D
B Vitamin K
C Calcium ✓
D Magnesium

Explanation

Calcium is a mineral that is essential for the maintenance of healthy bones and teeth, and also plays a crucial role in the regulation of muscle and nerve function.

Source

World Health Organization
Metabolic and Nutritional Disorders Nutritional Disorders Mineral Deficiencies Easy MEDICAL Confidence: high