Inclusion Criteria:  Patients post myocardial infarction (ST wave elevated MI or Non-ST wave elevated MI) within the past three months (confirmed by elevated blood biomarkers or electrocardiographic changes), in which the procedure/ recovery uncomplicated and are therefore classified as low risk. Aged 40 years or above. Any ethnicity. Individuals with diet controlled type 2 diabetes mellitus  Exclusion Criteria:  Previous MI Under 40 years of age. Unable to provide valid informed consent (lack of mental capacity). Not had a cardiac event diagnosed within the past three months. Existing comorbidities including cancer, chronic kidney disease and gastro-oesophageal diseases. Unstable coronary disease. Diagnosed diabetes and use of medication. Disease or conditions with a prognosis of less than 6 months to end of life (palliative care). Any known blood borne disease. Unable to stand and engage in light-intensity stepping.