Formula 1 Protein Drink Mix - Vanilla SKU: 0141 Specially formulated with 9 grams of high quality soy protein – (19 to 21 when semi-skimmed milk is added) – Formula 1 can help you reach your weight management goals. It contains vitamins and minerals, including antioxidant vitamins C and E. It also provides all the essential amino acids your body needs for good health. Formulated with high-quality soy protein. Tasty and nutritious.