Ingesting excessive sodium could also lead to very low levels of other nutrients in the human body. Diets far too high in sodium trigger Your whole body to excrete calcium, which often can harm bone overall health. STPP plays a stabilizing function, preventing the separation of components as time passes. https://www.tjcyindustrialchem.com/news/what-is-sodium-tripolyphosphate-stpp-used-for.html