Onions for Blood Pressure

What studies on onions and
blood pressure reveal

sliced red onion
Other studies find that just 2 or 3 tablespoons a day of onion essential oil can drop blood pressure by an average of 25 points systolic and 15 points diastolic.
That would, however, translate to a lot of onions - more than anyone who has to be around other people would want to eat in a single day.
I'm sure you can still get good benefits from just one onion or two a day, particularly if you can eat it raw or lightly cooked (onions that are barely cooked seem to reduce blood pressure much more than fully cooked onions).

Some other benefits of onions
on high blood pressure

red, yellow and white onions
Both garlic and onion contain a compound called adenosine, which is a smooth muscle relaxant. So by decreasing peripheral resistance it helps the blood to run smoothly in the vessels.
Onions also contain small amount of prostaglandin A1 and E, substances with blood-lowering effects.
Prostaglandins are hormone-like messangers that command the release or shut off of one or another chemical substance in the body.
Aspirin is often used in the treatment of heart disease and works by suppressing the secretion from the cells of certain prostaglandins that turn on processes causing inflammation, pain and platelet aggregation.
In fact, aspirin blocks cells' production of a prostaglandin A called thromboxane that orders cells to start sticking together. Onions do precisely the same thing, without the side effects of continuos use of aspirin.

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