Really, good quality. Zhang Baoshan iron stick yam powder 28 ancient techniques concocted, seven pounds of yam a pound of powder, nutrition more concentrated at 2/3 as raw materials, 8 ancient techniques concocted seven pounds of yam a pound of powder, smooth taste, more nutritious, easy to consume and good absorption, smooth and good, no additives, powdered yam powder powder is super fine, no additives ingredients.