A 70-year-old woman presents for a routine health check. She has no significant past medical history and takes no regular medication. Her blood pressure is 135/85 mmHg. Her BMI is 28 kg/m². Blood tests show: Total Cholesterol 6.5 mmol/L, HDL Cholesterol 1.2 mmol/L. Her QRISK3 score is calculated as 15%. According to NICE guidelines, what is the most appropriate management for primary prevention of cardiovascular disease?