The present invention is directed to a 
lipolysis stimulator and a slimming agent which stimulate or facilitate 
lipolysis of accumulated 
adipose tissue, to thereby exert the body slimming effect. The 
lipolysis stimulator or the slimming agent of the present invention contains as an 
active ingredient any form of a 
plant or an extract thereof, the 
plant being selected from among common 
juniper, togenashi, rosehip, 
areca, 
polygala root, 
plantago herb, calumba, zuikorodoku, garden nasturtium, kidachiumanosuzukusa, bayberry, cogon grass, kohon, shoyokanzo, 
Japanese white birch, tanjin, kikubafuro, 
white mustard, common 
sunflower, ground ivy, Chinese wolfberry, Japanese pagota tree, sennenken, common fig, kankatto, Chinese 
hibiscus, usubaakaza, fenugreek, English walnut, sozuku, koniwa-zakura, 
gardenia, shima-kan-giku, akamino-akane, futaba-mugura, karoou, 
schizonepeta spike, purslane, karabyakushi, and prostrate knotweed.