Who benefits from vitamin D3?

All humans benefit from vitamin D3. It is the natural form of vitamin D that the human body makes as a result of exposure to sunlight. Vitamin D helps prevent and treat rickets and osteoporosis. Studies show it also boosts the immune system and prevent cancer, according to WebMD.

Vitamin D also helps people with kidney disease prevent bone loss, and helps with diabetes and obesity. Vitamin D is also applied to psoriasis of the skin in a form called calcitriol. Other uses for vitamin D include the treatment of COPD, bronchitis, asthma, PMS and rheumatoid arthritis, reports WebMD.