Inclusion Criteria:  A previously diagnosed cardiovascular disease, including acute coronary disease syndrome, angina pectoris, coronary revascularization, TIA, stroke, symptomatic aortic iliofemoral atherosclerosis, aortic aneurysm, intermittent claudication or peripheral revascularization. Over 18 years of age  Exclusion Criteria:  Uses medication for treatment of diabetes A known hereditary form of cardiovascular diseases Chronic kidney disease stage 4 or above (eGFR<30) Participation in another research study of which the outcomes may interfere with the current trial Not able to speak and understand the Dutch language Unable/unwilling to comply with the intervention Active treatment for cancer