That happens in animals fed garlic juice. Also, both garlic and onions contain a great deal of a compound that is a smooth-muscle relaxant. Both raw and cooked garlic and onions can benefit blood pressure, although raw garlic is thought to be more potent. Another secret weapon against high blood pressure may be high-calcium foods. In fact, adequate calcium can cancel the bloo d-pressure raising effects of sodium in some people.
Alcohol tends to counteract calciums powers to lower blood pressure.
Low amounts of dietary calcium, potassium, vitamin A, and vitamin E were associated with higher blood pressure. Low calcium intake was the most consistent factor in hypertensive individuals. Individuals who had the higher calcium intake had the lowest blood pressure. Milk and dairy foods, are rich in calcium and help reduce blood pressure. Especially eat garlic and celery.