Kit of pharmaceutical formulations characterised by the presence of molecular oxygen comprising four elements which in combination furnish benefits for the health of patients with HIV AIDS: i. weight increase of the patient; ii, increase of appetite; iii. reduction of diarrhoea; iv. reduction of the wasting syndrome; v. increase of stability of mood; vi. increase of muscular mass. vii. decrease of opportunistic diseases, in particular infections caused by Candida, herpes virus, cytomegalovirus, Kaposi's sarcoma; viii. prolongation of the period wherein the patient does not require to take antiretrovirals; ix. increase of acceptance of pharmacological treatment; x. reduction of gastritis, nausea or vomiting, headache; xi. reduction of cases with anaemia or thrombocytopenia; xii. a change in the phase of the disease in the patient.