Can You Take American Ginseng and L-Tryptophan Together?

Use extra care with this pair

The short answer

L-Tryptophan increases serotonin levels, and American Ginseng modulates serotonergic neurotransmission. Together, they may amplify serotonergic effects beyond safe levels.

How to arrange timing

Monitor for signs of excess serotonin (agitation, tremor, sweating) when combining L-Tryptophan and American Ginseng. Consider reducing doses or using them at different times.

Reference

Reference noted for this combination: Franconi G, et al. Serotonin syndrome caused by drug-drug interactions with supplements. J Clin Pharm Ther. 2014;39(4):339-342.

Important context

Whether supplements suit you together also depends on dose, product formulation, health conditions, and medication use. Ask a doctor or pharmacist first if you take medication, are pregnant or breastfeeding, or have a chronic condition.