This comprehensive review published in 2022 outlined critical research related to acylcarnitine levels in depression and other mood disorders such as bipolar. Authors offer insights into the effect of acetyl-L- carnitine on neuroplasticity, oxidative stress and neurotransmitter regulation. And conclude levels may help in diagnosis and supplementation for treatment of psychiatric diseases.
Liu, T., Deng, K., Xue, Y., Yang, R., Yang, R., Gong, Z., & Tang, M. (2022). Carnitine and Depression. Frontiers in nutrition, 9, 853058. https://doi.org/10.3389/fnut.2022.853058