18 MEDICAL PREPARATION, IN TABLET OR CAPSULE FORM, FOR HUMAN USE, WITH CAFFEINE ALKALOID AS THE PRINCIPAL CONSTITUENT, ESPECIALLY PREPARED TO IMPROVE SUBJECTIVE FEELING TONE, RELIEVE HEADACHE BY ACTING AS A VASCODILATOR, ASSIST DIGESTIVE PROCESSES THROUGH STIMULATION OF GASTRIC SECRETION, RELIEVE AND OVERCOME MENTAL AND MUSCULAR FATIGUE