Watermelon ingredient may increase libido

Texas A&M University researchers have discovered that a watermelon ingredient called citrulline relaxes blood vessels, much like Viagra, and may even increase libido.

Citrulline is a phyto-nutrient, and it may also help the heart.

The ingredient is found in highest concentrations in the watermelon's rind. Rinds are used in watermelon pickles, which are popular in some parts of the country.

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