vitamin D

People who are exposed to normal quantities of outdoor sunlight do not need vitamin D supplements. Sunlight promotes sufficient vitamin D thru the skin.
Researchers at the University of Minnesota found that Vitamin D levels in the body at the start of a low-calorie diet predict weight loss success, [url=http://www.medicalnewstoday.com/articles/153669.php][/url].

[url=http://www.medicalnewstoday.com/articles/258164.php][/url]. Researchers from Boston University School of Medicine found that higher vitamin D levels in healthy individuals have a significant impact on the genes that are involved in several biologic pathways associated with illnesses, including [url=http://www.medicalnewstoday.com/info/cancer-oncology/][/url], autoimmune disease, cardiovascular disease and infectious diseases.