Vitamin D and magnesium are two of the vitamins, minerals, and other nutrients that may be found in the One A Day Men's Multivitamin formula. These nutrients have the ability to promote the heart's health. The same nutrients that assist men to control their blood pressure may also benefit guys. Men's health supplement designed for once-daily use A multivitamin is a full multivitamin that was developed specifically for the primary concerns of males, such as heart health.