1. Promoting the absorption of calcium and phosphorus: Vitamin D affects the absorption of calcium and phosphorus in the intestines, helping the body to better absorb these important minerals.
2. Maintains bone health: Vitamin D helps bones absorb calcium and phosphorus and promotes bone formation and maintenance. Vitamin D deficiency may lead to osteoporosis.
3. Supports immune system function: Vitamin D can also influence the normal functioning of the body's immune system, helping to fight off infections and diseases.
4. Promotes muscle health: Vitamin D can also promote healthy muscle development and maintenance, reducing the risk of muscle fatigue and injury.
In summary, vitamin D has several important roles for the human body, and its adequate intake is vital for human health!