Figure 568

![Figure 568: Serotonin (5-HT) tissue concentrations were measured by HPLC analysis, indicating that valerian extract may enhance serotonergic tone in treated animals.]()

> Source: Kazim Sahin et al. "Impact of a Novel Valerian Extract on Sleep Quality, Relaxation, and GABA/Seroto." *Antioxidants (Basel, Switzerland)*, 2024. PMID: [38929096](https://pubmed.ncbi.nlm.nih.gov/38929096/)

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  <img src="" alt="Serotonin (5-HT) tissue concentrations were measured by HPLC analysis, indicating that valerian extract may enhance serotonergic tone in treated animals." />
  <figcaption>Figure 568. Serotonin (5-HT) tissue concentrations were measured by HPLC analysis, indicating that valerian extract may enhance serotonergic tone in treated animals.<br>  Source: Kazim Sahin et al. "Impact of a Novel Valerian Extract on Sleep Quality, Relaxation, and GABA/Seroto." <em>Antioxidants (Basel, Switzerland)</em>, 2024. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/38929096/">38929096</a></figcaption>
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