Hydroxytyrosol is a molecule that having the anti-inflammatory and antimicrobial qualities as the role against cardiovascular disease and metabolic system and antimicrobial qualities its role against cardiovascular diseases and metabolic syndrome and for its neuroprotection, antitumor and modulation effects. The consumption of hydroxytyrosol influenced the major biochemical processes that leading to diabetic vasculopathy and reduced cell proliferation in the vascular wall this could influence the prevention of diseases.