Should you take vitamin D? Here’s the science

Nutritional science is supposed to chart a course to our healthier selves. But contradictory scientific results and interpretations can muddy the waters — and few nutrients have recently demonstrated that more clearly than vitamin D.At one point, it seemed that everyone should be taking vitamin D supplements, and that doing so would protect against a whole host of maladies, from bone problems to heart disease and cancer. More recently, new studies appear to have debunked many of those claims. YOU MAY ALSO LIKE Health and indeed, human trials that by chance included some deficient people show benefits of supplementation in warding off infections.But there just aren't enough data yet, Hewison says. "I think this is the issue facing the field as a whole."