Evidence-backed FAQ
Can ashwagandha interact with medications?
Ashwagandha may interact with diabetes, blood-pressure, immune-suppressing, sedative, anticonvulsant and thyroid hormone medicines. Review possible interactions with your prescriber or pharmacist before use; do not stop, replace or adjust prescribed medicines based on this information.[1]
Important limitations
Discuss possible interactions with your prescriber or pharmacist before use; do not stop, replace, or adjust prescribed medicines based on supplement information.[1]
What the evidence shows
Discuss possible interactions with your prescriber or pharmacist before use; do not stop, replace, or adjust prescribed medicines based on supplement information.[1]
What the cited evidence shows
Ashwagandha may interact with medicines for diabetes or high blood pressure, immunosuppressants, sedatives, anticonvulsants, and thyroid hormone medicines. Discuss possible interactions with your prescriber or pharmacist before use; do not stop, replace, or adjust prescribed medicines based on supplement information.[1]
Safety belongs in the decision
NIH guidance describes short-term tolerability observations for ashwagandha over about three months, while safety over longer periods remains unknown. Short studies cannot establish safety for every person, preparation, or duration of use.[1]
Read the supporting evidence summaries
The linked research pages provide study populations, formulations, doses, outcomes, and limitations in greater detail.
Related questions
References
- Ashwagandha: Usefulness and Safety. NIH National Center for Complementary and Integrative Health. Retrieved 2026-09-30. Government health fact sheet View source →