JHQGG Precautions 1) Those with deficiency-cold in spleen and stomach should use with caution. 2) It contains ephedrae herba (Mahuang), so should be used with caution by athletes and patients with high blood pressure and heart disease. 3) Those with previous history of liver disease or with abnormal liver function should use with caution. 4) Nourishing traditional Chinese medicine should not be taken at the same time.