Alba Snack Shake Mix You never outgrow your need for calcium. Your bones have stopped growing, but they haven't stopped changing. You need more calcium now than you did as a child to keep your bones strong and healthy. ALBA is 100% real milk, the best food source of calcium there is. ALBA has all the goodness of fresh milk from the dairy case, without the fat and water. Each 8 ounce glass of ALBA contains 322 mg of calcium. And ALBA is fortified with Vitamin D to help your body absorb the calcium readily.