Use the following scenario to answer the questions. Raymond, a healthy 190-pound strength athlete, is consuming approximately 2.0 g of protein per kilogram of body weight over a 3-month period while he tries to increase muscle mass. Raymond's intake of energy (kcal) remains the same as always. He complains that he is more fatigued since starting a high-protein diet. The most likely reason is:_________. 1. the lack of fat in his diet. 2. the lack of carbohydrate in his diet. 3. unexpected weight loss.