Plant-Based Diets in Kids: Health Gains and Hidden Nutritional Risks

A large-scale study has examined the health and nutrition of vegetarian and vegan children across Europe. The research, covering 48,000 young people in 18 countries, highlights both benefits and challenges linked to plant-based diets. While these children often show better heart health, concerns remain about growth and key nutrients.

The meta-analysis focused on children and adolescents following vegetarian or vegan diets. Results showed that these groups consumed more fibre, iron, folate, vitamin C, and magnesium than omnivorous peers. However, their intake of energy, protein, fat, vitamin B12, and zinc tended to be lower.

Vegetarian and vegan children also displayed differences in body measurements. On average, they had leaner builds, with slightly lower height, weight, BMI, fat mass, and bone mineral content. Vegan children, in particular, faced greater risks of calcium deficiency and shorter stature.

Despite these findings, experts stress that healthy growth is possible with proper planning. They recommend working closely with healthcare professionals to monitor vitamin B12, calcium, iodine, iron, and zinc levels. The study also notes limitations and calls for more research to refine dietary guidelines for plant-based children.

One key observation was improved cardiovascular health in vegetarian and vegan groups. Their markers for heart health were more favourable compared to those of omnivorous children.

The research confirms that vegetarian and vegan diets can support healthy development in children—but only with careful attention to nutrition. Supplementation and professional guidance are essential to address potential shortfalls in critical vitamins and minerals. Further studies may help clarify the long-term effects of plant-based eating on growth and health.