Bok Choy
Also known as Chinese cabbage, this all-star vegetable is ranked in the top five on the Aggregate Nutrient Density Index (ANDI), which evaluates foods based on their 'vitamins, minerals, phytochemicals and antioxidant capacities'. Basically, this means that the unassuming cabbage packs maximum nutrition into minimum calories – until it's cooked in a vat of oil, of course. It's a great source of calcium, iron and potassium – not to mention about 20 other nutrients. Other benefits include improving skin, bone and heart health.
Chinese name Xiaobaicai (小白菜).
Eat with On its own, sautéed, braised or stir-fried. Bonus points for adding goji berries.