To put it simply, your baby, child, or small person is growing at an astonishing rate. New functions are appearing daily and they’re developing the motor skills to do tasks that us grown-ups take for granted. When you go to the gym or become more active, your diet needs to change to adapt to your new lifestyle. More protein is needed for muscle growth, iron for healthy blood, and more water to replace all that sweat. After having all his or her meals from nutrient-packed milk or  ...