... bladder weakness, diarrhea, dysentery, coughs, thirst, spermatorrhea, metrorrhagia a Common Yam Powder ExtractCommon yam extract is effective in treating bladder ... bodily functions, and is an indispensable additive for cosmetic products.Common Yam Extract Specifications: 1) Extracted part: root2) Appearance: ... 25kg/double-layer aluminum foil bagOuter packing: Fiberboard drum Common Yam Powder Extract