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Watermelon Extract for Healthier Blood Vessels

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As people age, their arteries often become less flexible. Atherosclerosis is associated with heart disease and high blood pressure. New research from Florida State University shows that people at risk of high blood pressure get benefit from an unexpected source.

Watermelon extract was studied in a 6-week randomized placebo controlled trial with overweight volunteers. The watermelon extract significantly improved measures of artery flexibility. The extract lowered blood pressure as much as many antihypertensive medications. The researchers believe that citrulline in the watermelon extract is converted to L-arginine, which increases nitric oxide production in the blood vessels and improves endothelial function. The 6 grams of extract given each day would be the equivalent of just over two pounds of raw watermelon.

[American Journal of Hypertension, online March 8, 2012]

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6 Comments

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So where can we get watermelon extract? Is it available to buy? How much real watermelon would a person have to consume to get this effect?

I am also interested in knowing if watermelon extract is available for purchase, and where. Thank you for great articles! Sue

Where can u buy watermelon extract. And is it safe to take it for people with diabetes?

Isn't this hypertension watermelon theory similar to the same nitric oxide increase in the blood that beets and or beet juice produces ?

Citrulline is available in some vitamin shops, with or without L-argenine and can be purchased on line. Citrulline is supposedly more in the rind of watermelon and other melons, so don't just eat the sweet, pink part, but also some of the white, tasteless part. L-argenine can also be purchased in many vitamin shops, but check out problems related to excessive use. No study to date (Jan-13) has shown any problems using citrulline.

Is it better to take watermelon extract or just citrulline ?
How much citrulline is in one teaspoon of watermelon extract?

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