https://www.amazon.com/Natures-Answer-Alcohol-Free-Vitex-1-Fluid/dp/B00014F9YC/ref=sr_1_15_s_it?s=hpc&ie=UTF8&qid=1518465505&sr=1-15&keywords=vitex&th=1
I used the above one.
锻炼悠着点来阿。 瑜伽不错。 等身体更好些再加强度大些。 自己把握阿。