NOW Foods总共收集了33种黄连素保健品，这些产品大多来自亚马逊和沃尔玛这样的在线平台。每种产品收集了两份样品，一份样品由NOW Foods 自己检测，另外一个样品送第三方检测公司Alkemist 进行检测。两份样品的检测结果基本一致。

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...