According to the Centers for Disease Control and Prevention, which powerhouse super-vegetable is the most nutrient-dense?

To put it simply, nutrient density measures the amount of nutrients in relation to calories in a food. With just one cup of watercress providing over 100% of the RDI for Vitamin K, this often overlooked leafy green vegetable is an exceptionally nutrient-dense food.

Asked by Rachel Bortles · Last updated 5 years ago · 458 views · SOURCE