人体试验

• Botanicals such as grape seed extract , soy compounds , green tea and gingko biloba are relatively new in the market and have gained great popularity in recent years , but their healing qualities have yet to be proven through randomized , placebo - controlled human trials
  植物制剂（诸如葡萄种子提取物、大豆化合物、绿茶以及银杏叶等）是相对较新的上市产品，在近年来深受欢迎，但其治疗作用仍未得到随机对照人体试验的证实。