Blood advanced oxidation protein products (A), nitrate/nitrite (B), and Trolox Equivalent Antioxidant Capacity (C) before and after intake of a high-fat milkshake, before and after a 21-day Daniel Fast. Values are mean±SEM. * Time effect for AOPP (p < 0.0001); values higher than Pre at 2 h and 4 h (p < 0.05). * Time effect for TEAC (p < 0.0001); values lower than Pre at 2 h and 4 h (p < 0.05). ** Pre/Post effect for NOx (p = 0.02); values higher post fast compared to pre fast No other significant effects noted (p > 0.05).