1. A new type of protein powder containing essential amino acids and whey protein. n2. Bar design, easy to carry around, take it directly with water and other beverages, so as not to miss every moment of nutritional supplementation. n3. Easy to drink, sweet and sour black currant flavor. n4. [Nutrient ingredients display 1 piece 4.3g] n calorie 16.8kcal, protein 4.0g, lipid 0g, carbohydrate 0.2g, salt equivalent 0.01g, free essential amino acid 3.3g