Which vitamin is primarily associated with bone health?

Vitamin D plays a fundamental role in bone health due to its essential function in calcium and phosphorus metabolism, which are critical for maintaining strong and healthy bones. This vitamin enhances the absorption of calcium in the intestines and helps regulate calcium and phosphate levels in the bloodstream, which are necessary for bone mineralization. Adequate levels of Vitamin D reduce the risk of bone disorders such as osteoporosis and rickets, making it integral to skeletal health throughout life.

The other vitamins mentioned—Vitamin A, Vitamin C, and Vitamin B12—also have important health roles, but their primary functions are not directly related to bone mineralization and health. Vitamin A is crucial for vision and immune function; Vitamin C is important for collagen formation and antioxidant protection; and Vitamin B12 is vital for red blood cell production and neurological function. While some of these vitamins may have supportive roles in overall health, Vitamin D is specifically targeted for maintaining bone integrity.