1, Cistanchis are forbidden to be used by patients with long-term loose stools, and because of its warm nature, it has the effect of tonifying the yang, so it is not recommended to be taken by those who have a deficiency of yin to avoid aggravating the condition.

2. Cistanchis can tonify the kidney, so it is not suitable for underage men to take it to avoid affecting the normal development of reproductive function. In addition, women who are in their physiological period may experience adverse side effects when taking Cistanchis, so it should be used with caution. Metal utensils should not be used when processing Cistanchis, because metal may affect the efficacy and nutritional value of Cistanchis, and reduce the absorption rate of patients.