• Those who get enough vitamin D are less likely to develop heart disease, according to new research.
• The United States Department of Agriculture (USDA) recommends 600 to 800 international units (IU) of vitamin D daily.
• Other vitamin D benefits include a sunnier mood, stronger bones, and better protection during cold and flu season.

When it comes to being an overachiever, vitamin D seems to qualify. Research has linked deficiencies in the vitamin to higher risk of osteoporosis, and certain cancers, autoimmune diseases, and mood disorders. A recent study in