It has the effect of tonifying the lungs and relieving cough: it can be used for lung qi deficiency, chronic cough and asthmatic breathing, or deficiency-type asthma due to dual deficiency of the lungs and kidneys with inability to absorb qi; it has the effect of tonifying the spleen and stopping diarrhea: mainly used for spleen qi deficiency, poor appetite and loose stools, or excessive leucorrhea in women due to spleen deficiency and dampness; yam extract has the effect of tonifying the kidneys, securing essence, and reducing urination: it can be used to treat kidney deficiency with unconsolidated lower origin, nocturnal emissions, and frequent urination. Yam extract (diosgenin) has beautifying effects, increases hormone secretion, and regulates body balance, making it a rare high-grade cosmetic nutritional additive.