It's rich in minerals
Metals and minerals aren't just valuable components of your international mining empire; your body needs them, too. Watercress contains copper, calcium, potassium, magnesium, manganese, and phosphorus. How many times do you have to hear that watercress has everything you need?
"Potassium is an important component of cell and body fluids that helps controlling heart rate and blood pressure by countering effects of sodium," Ficek says. "Manganese is used by the body as a co-factor for the antioxidant enzyme superoxide dismutase. Calcium is required as a bone/teeth mineral and in the regulation of heart and skeletal muscle activity."
How to incorporate it into your diet
Seeing as there’s not much this powerful green can't do, you should probably start eating it by the bushel, like, yesterday. But even if you're not that into leafy greens, getting your daily dose of this superfood might be easier than you think. According to Lewis, here are three exceedingly easy tips for upping your watercress intake.
1. Next time you make pesto, swap the basil for watercress.
2. Toss it into your favorite soups and stews, as it’s hardy enough to withstand higher-temperature cooking.
3. Mix up your salads by using this green instead of your ordinary go-to choice of lettuce.
You could also put it on a sandwich, burger, French fries, deep-fried Twinkie -- just eat your damn watercress!
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Julie Peirano is a freelance writer covering health and fitness. She is currently trying to figure out how she can incorporate watercress into mac 'n cheese. Follow her: @juliepeirano.