Lavender appears to be safe at the recommended dose, with studies reporting very few adverse reactions, and almost no severe side effects. Possible negatives include nausea, diarrhea, and bloating, which are more frequent with oral supplementation. However, these effects are mild and transient in most cases, and lavender appears to be a well-tolerated supplement.[1][2]
What are lavender’s main drawbacks?
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•Last Updated: May 16, 2025
Lavender is generally safe and well tolerated, and few adverse reactions have been reported. The main drawbacks include mild and transient side effects such as nausea, diarrhea, and bloating, particularly with oral supplementation.