Studies have found that the heart's systolic blood pressure can drop by four to five points just a few hours after drinking beet juice. This drop in blood pressure may seem insignificant, but from a public health perspective, it's the equivalent of a 10 percent reduction in heart disease-related deaths.

Experts point out that beet juice is rich in heart-healthy vitamin C, vitamin K, dietary fiber and polyphenols. The key to beet juice's rapid reduction in blood pressure is the high amount of nitrates it contains.