Nutritional Energy Drink, High Protein, Vanilla Natural and artificial flavor. Excellent source of protein. Lactose free. For institutional use only. Increase your protein intake. For strength and endurance, drink Boost High Protein Nutritional Energy drink. With 26 vitamins and minerals plus 15 g of protein, it provides the nutrients you need to keep you going strong. Boost your life! Protein to help build & maintain muscle. B vitamins & iron for endurance.