Along with vitamins and amino acids, the dried leaves can provide a large percentage of the daily requirements for calcium, iron, magnesium, potassium and zinc. As a result, the leaves are often used to supplement the diets of expecting and nursing mothers and young children. It is rich in vitamins, minerals and amino acid. It makes a pleasant cold or hot tea with just a ½ tsp per cup. It keeps well without refrigeration. A pound should last you 4-6 weeks with regular use. You can also add to smoothies and blended drinks for extra nutrition. Some even put in salads, soups and stews.