Which nutrient plays a crucial role in the maintenance of healthy bone density by regulating osteoclast activity?

A Vitamin D ✓
B Vitamin K
C Calcium
D Magnesium

Explanation

Vitamin D helps regulate calcium levels and osteoclast activity, which is essential for maintaining healthy bone density.

Source

Guyton and Hall Textbook of Medical Physiology
Metabolic and Nutritional Disorders Nutrition and Bone Health Vitamins and Minerals in Bone Health Easy MEDICAL Confidence: high