It is obvious that soy juice is not suitable for feeding children under 1 year of age, but this is also the case with cow’s milk. The ideal for feeding an infant remains breastfeeding or infant formula, whether made from cow’s milk protein or from soy protein isolate. The latter are the only ones which, by their composition, perfectly meet the nutritional needs of young children. They comply with particularly strict regulatory requirements. The period of food diversification generally begins from one year. It is at this time that we begin to gradually introduce foods for everyday consumption. There is no contraindication to integrating soy foods, as long as the rule valid for all foods is applied: a gradual introduction, in moderate quantities and as part of a varied and balanced diet.