D(-)-Isovaline has been studied for its potential role in modulating neurotransmitter systems, particularly in the context of neurological disorders. Research suggests it may act as a partial agonist at glycine receptors, which could have implications for treating conditions like epilepsy or anxiety. Additionally, its unique structure has sparked interest in its use as a chiral building block in organic synthesis, particularly for creating complex molecules in pharmaceutical development. Some studies also explore its potential as a biomarker in astrobiology, given its presence in certain meteorites and its resistance to degradation, which could provide insights into extraterrestrial organic chemistry.