Evidence supporting the use of: Lavandula (unspecified)
For the body system: Serotonin

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Lavandula, commonly known as lavender, has been traditionally used for its calming and mood-enhancing properties, but there is a growing body of scientific evidence supporting its influence on the serotonin system. Several studies have demonstrated that lavender essential oil, particularly when administered via aromatherapy or orally (as in standardized capsules), can have anxiolytic and antidepressant effects. These effects are believed to be mediated, at least in part, by modulation of neurotransmitter systems, including serotonin.

Research indicates that compounds in lavender, such as linalool and linalyl acetate, may interact with the central nervous system and influence serotonin (5-HT) receptor activity. Animal studies have shown that lavender oil can increase serotonin levels in the brain and may enhance serotonergic transmission. Human clinical trials have found that oral preparations of lavender oil (such as Silexan) can reduce symptoms of anxiety and depression, likely through serotonergic and other neurotransmitter pathways. However, while the evidence is promising, most human studies have focused on anxiety rather than direct effects on serotonin levels, and the precise mechanisms remain to be fully clarified.

In summary, there is moderate scientific support for the use of Lavandula to influence the serotonin system, particularly in the context of anxiety and mood regulation. More research is needed to establish definitive effects and mechanisms.

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