Yes, a deficiency can lead to a state of hyper-arousal in the nervous system, which is a leading cause of both sleep onset insomnia and increased evening anxiety.
Additionally, some vitamin deficiencies are significant in creating greater oxidative stress
Which GLP1 is best for weight loss
Altered plasma membrane phospholipid organization in Plasmodium falciparum-infected human erythrocytes
The most well-known examples, apart from pioglitazone, are fenofibrate, pemafibrate, seladelpar, elafibranor and lanifibranor, which have been studied in various trials regarding their effect on liver inflammation and fibrosis, without particular success, with the exception of lanifibranor, a pan-PPAR agonist, which was shown in a phase 2b RCT (NATIVE-NCT03008070) to improve ballooning and inflammation, without worsening of fibrosis