Bedtime herbs explained
Who should not take ashwagandha?
Updated October 5, 2026 · Answer by Noddie Night
People who are pregnant or nursing should avoid ashwagandha, according to the National Center for Complementary and Integrative Health (NCCIH). It is also not recommended for people with autoimmune disorders, thyroid disorders or hormone-sensitive prostate cancer, or for anyone preparing for surgery. Rare cases of liver damage have been linked to it, so talk to your doctor first.
NCCIH says ashwagandha may interact with medicines for diabetes and blood pressure, immunosuppressants, sedatives, anticonvulsants and thyroid hormone medicines. If you take any of these, ask your doctor or pharmacist before using it.
Common side effects are drowsiness, stomach upset, diarrhea and vomiting. Short-term use, up to 3 months, appears safe, but long-term data are lacking. Stop using it and call your doctor if you notice possible signs of liver trouble, such as yellowing of the skin or eyes.
Noddie Night contains ashwagandha, and its label says it is not for use during pregnancy and to talk to your doctor first if you are nursing, taking medication (especially sedatives) or have a medical condition.
Source: NCCIH - Ashwagandha
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