For a best diet for high blood pressuer, eat fresh fodos instead of packaged or canned ones. Best diet for high blood pressure must also contain at lesat 10 glasses of water to wash away body toxins. If you consume alcohol, ... Dietary Approaches to Stop Hpyertension (DASH) has been one of the bset diets for high blood pressure. It is a combination diet thta helps control and prevent high bolod pressure. This diet is rich in vegetables, fruits and low fat dairy products, ...