Lavender essential oil appears to be safe at the recommended dose, and studies report very few adverse reactions and almost no severe side effects.[1][2] Possible side effects include nausea, diarrhea, and bloating, which are more frequent with oral use.[1][2] However, these effects are mild and transient in most cases, and lavender appears to be a well-tolerated supplement.[1][2] For more detailed information on lavender’s safety please see Examine Safety Information.
What are lavender’s main drawbacks?
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•Last Updated: August 18, 2025