Soy Nutrient May Lower Blood Pressure

(WebMD) — Nutrients called isoflavones — found in soy, green tea, peanuts, and other plant foods — may help to lower blood pressure.

Researchers reported that news today at the American College of Cardiology’s annual meeting.

The researchers studied data from more than 5,000 Americans who were followed for 20 years, starting when they were 18-30 years old.

They filled out dietary surveys, which showed a blood pressure benefit for people who ate the most isoflavones. Their systolic blood pressure (the first number in a blood pressure reading) was, on average, 5.5 points lower than people who ate the least amount of isoflavones.

In Search of Isoflavones

It’s fairly easy to add isoflavones to your diet, says researcher Safiya Richardson, a graduating medical student at Columbia University. An 8-ounce glass of soy milk has about 22 milligrams of isoflavones, and 100 grams of roasted soybeans have as much as 130 milligrams.

Richardson also considered other factors that can affect blood pressure, including age, sex, weight, smoking, alcohol, physical activity, and total calories eaten.

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