1. The German Nutrition Society, DGE (Deutsche Gesellschaft für Ernährung) explicitly does not recommend a vegan diet for pregnant women, infants, children, or adolescents, citing insufficient data for these groups.

2. The German Society for Paediatric and Adolescent Medicine, Polish National Consultant in the Field of Paediatrics and Spanish Paediatric Association do not recommend vegan diets during infancy or childhood.

3. The Swiss Federal Commission for Nutrition does not recommend vegan diets for pregnant women, infants, children, or older adults due to concerns about nutritional deficiencies in the absence of sufficient evidence.

4. The Belgium’s Royal Academy of Medicine advised that children, teenagers, pregnant women, and breastfeeding mothers should not follow a vegan diet. They described it as “restrictive” and potentially leading to developmental and nutritional issues if not carefully managed.

Isabelle Thiebaut, a co-author of the opinion and president of an European organization for dieticians, said that it is important to explain to parents about “weight-loss and psychomotor delays, undernutrition, anemia” and other possible nutritional shortfalls caused by a vegan diet for children.

5. The Spanish Paediatric Association advises against a vegan diet for infants and young children.

6. The Italian Society of Preventive and Social Pediatrics (SIPPS), together with the Italian Federation of Pediatricians (FIMP) and the Italian Society of Perinatal Medicine (SIMP) issued a joint position paper which concluded that vegan diets cannot be recommended for children because the diet leads to deficiencies in vitamin B12, calcium, DHA, iron and vitamin D. When these nutrients are missing, it negatively affects children’s growth and neurocognitive development.