"This peppery salad leaf is a great diet food because of its powerful antioxidants that help to
cleanse the kidney and the bladder, purify the blood, and promote an increase in energy levels," Rathbun says. "Watercress is a good source of B vitamins, vitamin C, vitamin A, vitamin K, zinc, and can help to stimulate the liver, gall bladder, and kidneys, regulating important body processes that are essential to weight loss."
