Everydayhealth.com suggests a healthy idea is to get more variety into the salad bowl

Brigid K. McVaugh, MS, RD, LD, a clinical dietitian at St. Luke’s Episcopal Hospital in Houston, said all greens have something to offer, “where they differ is in the vitamin and mineral content.”

Read on to find out the benefits of:

Dark, leafy spinach is a nutrition star, packed with vitamin A and a great source of vitamins C and K, iron, and fiber. Spinach also contains more folate or folic acid than most salad greens. Folic acid helps convert the food you eat into energy and produces healthy red blood cells.