Agmatine dihydrochloride is widely used in research and therapeutic applications due to its diverse biological effects. It is commonly studied for its potential role in managing neuropathic pain, as it interacts with various neurotransmitter systems, including NMDA receptors and nitric oxide pathways. This makes it a candidate for addressing chronic pain conditions.

In the field of mental health, it is explored for its possible antidepressant and anxiolytic properties, as it modulates brain signaling pathways associated with mood regulation. Additionally, agmatine dihydrochloride is investigated for its neuroprotective effects, which could be beneficial in conditions like stroke, traumatic brain injury, or neurodegenerative diseases.

It is also used in sports nutrition and bodybuilding supplements due to its potential to enhance nitric oxide production, which may improve blood flow and exercise performance. Furthermore, it is studied for its role in managing metabolic disorders, such as diabetes, by influencing insulin sensitivity and glucose metabolism.

Overall, agmatine dihydrochloride holds promise in various therapeutic areas, though further research is needed to fully establish its efficacy and safety in clinical applications.