Low levels of vitamin D seem to raise your risk of heart attack but scientists are still figuring out why—and whether supplements might help protect you. Vitamin D is thought to play a protective role ...

Vitamin D might help people with heart disease avoid a heart attack, if it's provided in a dose tailored to you by a doctor, a new study says. Folks provided vitamin D reduced their risk by more than ...

In a new study, heart attack survivors who received a high, personalized dose of daily vitamin D had a 52 percent lower risk of a repeat heart attack. The results suggest specific vitamin D dosing, ...