Consider the following statements regarding Vitamin D:

1. Vitamin D is a water-soluble vitamin naturally present in certain foods and available as a dietary supplement.

2. It is produced within the body when ultraviolet (UV) rays from sunlight interact with the skin and initiate Vitamin D synthesis.

3. Vitamin D promotes calcium absorption and helps maintain adequate levels of calcium and phosphorus in the blood.

How many of the above statements are correct?