Does Raw Garlic Consumption Help In Controlling High Blood Pressure And Renal Health

I believe so.
It is good for your health. The active ingredient Allicin.
Onions are also good, the active ingredient is quercetin
They also contain flavonoids (basically vitamin C)

Heart Health - Heart Disease Prevention - Garlic Oil - Allicin (http://heartspring.net/heart_disease_prevention.html)