What is the fine-grained topic of the following text: Each serving provides: Calories: 300 Total Fat: 0g Total Carbs: 25g Protein: 50g Isopure Proteins Include: Beta-lacto globulin: 55-62% Alpha-lactalbumin: 19-22% Immunoglobulins: 9-10% Bovine Serum Albumin: 6-8% Lactoferrin: .5-1% Each Serving of Isopure Contains: 2700mg of isoleucine 6750mg of leucine 5450mg of lysine 4.6g of L-glutamine Ingredients: Ion Exchange Whey Protein Isolate, maltodextrin, Vitamin, Mineral, and Amino Acid Blend (dicalcium phosphate, potassium chloride, magnesium oxide, ascorbic acid, dl-alpha tocopherol acetate, chromium [amino acid chelate], sodium chloride, zinc sulphate, molybdenum [amino acid chelate], selenium [amino acid chelate], biotin, niacin, copper [amino acid chelate], potassium iodide, d-calcium pantothenate, silicon dioxide, vitamin A palmitate, vitamin K-1, manganese sulphate, folic acid, vitamin D-3, pyridoxine HCL, L-glutamine, taurine thiamin HCL, riboflavin, vitamin B-12), cocoa, xanthan gum, natural and artificial flavor, aspartame, acesulfame K. Choose from 4 great flavors: Chocolate Pnut, Dutch Chocolate, Strawberry, and Vanilla. Only return the topic.
Nutrition and ingredients of Isopure Protein Supplement.