Capsules contain pure powdered Moringa from leaves - The powder contains 15 different vitamins and minerals along with ALL essential amino acids. The powdered 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. Taking 2-4 capsules per day to start and working your way up to 6 per day is the recommended serving size. It keeps well without refrigeration. A jar of 180 should last you 4-6 weeks with regular use.