Spermidine phosphate is widely used in biochemical research due to its role in cellular processes. It is particularly studied for its ability to induce autophagy, a process that helps cells remove damaged components and maintain cellular health. This property makes it valuable in research related to aging, neurodegenerative diseases, and cancer. Additionally, spermidine phosphate is utilized in studies exploring its potential to improve cardiovascular health and enhance longevity. It is also employed in the development of dietary supplements aimed at promoting overall wellness and cellular repair. In agriculture, it is investigated for its potential to enhance plant growth and stress resistance.