Ginseng is an overall safe herb with some side effects. Nervousness and excitability used decrease after use for a while.

Blood sugar levels may drop which can cause hypoglycemia. Ginseng has an estrogen effect thus women who are pregnant or breastfeeding should not take it.

A few serious side effects have been reported. Although they are very rare you should watch for asthma, high blood pressure, palpitations, and in post menopausal women bleeding.