The body can be considered, due to its metabolization and elimination abilities, a “Flow System”, necessary for the integrated and balanced functioning of all the organic functions. Under the effect of alterations in the metabolism or excretion, in addition to the presence of substances that are incompatible with its physiology, the “Flow System” is no longer able to operate regularly and becomes a structure where toxic substances, that cannot be eliminated, are accumulated. Homotoxicology aims to induce a therapeutic action to recreate an “ordered equilibrium” in an ill person.