Got an addiction? Xuan Xia Detox Formula can help! Chinese herbal therapy has been used to treat opium dependence since the Ming and Qing Dynasties when opium was imported to China. Xuan Xia Detox Formula (also known as WeiniCom, Xuan Xia Qudu Jiaonang, or Xuan Xia Detoxication Capsules) is an herbal formula used to help those detoxing off of opiates (like codeine or morphine) and synthetic opioids (like heroin, methadone, suboxone, oxycodone, or fentanyl). It's one of the top studied Chinese herbal formulas to help with opioid addiction and its associated withdrawal symptoms.