#15 Watercress
Watercress is another great vegetable that can also be thrown into your salad. Just like many of the other vegetables, it’s made up of 95 percent water.
It also contains nitrates, and we’ve already mentioned the benefits that these provide for blood pressure, but dietary nitrates can also help improve exercise performance by relaxing blood vessels and increasing nitric oxide levels.
This helps improve blood flow and oxygen delivery to muscles. Also, for dieting purposes, it doesn’t hurt that watercress only contains about 11 calories per 100 grams.
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