Although benefits of ginseng haven’t been proven, it is commonly used for energy and alertness.
Adequate Intake per Day
Not established


  • None known
  • Under investigation
  • Helps your body generate energy and may enhance physical performance
  • People with diabetes should consult a doctor before taking ginseng as it may reduce blood glucose levels
  • People with hypertension need to check with their doctor before taking ginseng because of the potential of some ginseng preparations to increase blood pressure
  • An interaction between ginseng and phenelizine (a monoamine oxidase inhibitor indicated for depression) could occur, although the clinical significance of this interaction has not been evaluated
  • Excessive quantities (e.g., 3‑15 g) have been associated with hypertension, dizziness, nervousness, irritability, diarrhea, skin eruptions and insomnia
  • As with any supplement, if you are taking a prescription medication, are pregnant or breastfeeding, consult with your doctor before taking ginseng