Babies or children who consume food: withdraw milk and its derivatives fr om the diet, and this includes certain foods such as cookies, cakes, pizzas, sauces and desserts. Milk proteins can be substituted by other sources such as meat, chicken and egg yolk. Soy formulas should not be used in those children wh ere cow's milk allergy has been proven, since 10 to 14% of children may also suffer from soy allergy, you should always consult your doctor or to the nutritionist before ingestion.