The ND was in line with dietary recommendations , e.g. low in saturated fats , sugars and salt , but high in plant-based foods rich in fibre and unsaturated fats.The ND significantly decreased cathepsin S levels ( from @ ( + / -@ SD ) to @ g/L ( + / -@ SD ) ) compared with control group ( from @ ( + / -@ SD ) to @ g/L ( + / -@ SD ) ) .