Vegan Diet for Kids: Safe? New Study Reveals Answers
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Plant-Based Diets Support Healthy Child Growth, But Require Careful Planning
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A complete meta-analysis of nearly 50,000 children confirms that well-planned vegetarian and vegan diets can support healthy progress, but highlights the critical need for supplementation to avoid nutrient deficiencies.
What the Research Shows
Carefully planned vegetarian and vegan diets can support healthy growth in children when appropriate supplements are included, according to a major new meta-analysis, the most comprehensive review to date of plant-based diets in young people.
Researchers from Italy, the USA, and Australia examined health, growth, and nutritional outcomes in more then 48,000 children and adolescents globally following different eating patterns. Their findings demonstrate that plant-based diets can provide essential nutrients and support normal development. Though, the analysis also reveals a heightened risk of nutrient shortfalls if key nutrients aren’t adequately supplied through fortified foods or supplements.
The peer-reviewed research, published in Critical Reviews in Food science and Nutrition, further suggests potential health benefits for children on plant-based diets, including improved cardiovascular health markers compared to omnivorous diets.
Inside the Largest Analysis of Its Kind
This meta-analysis, encompassing data from 59 studies across 18 countries, represents the most extensive evaluation to date of plant-based diets in individuals under 18. Researchers compared lacto-ovo-vegetarian (including dairy and eggs, excluding meat, fish, and poultry) and vegan diets (excluding all animal products) with omnivorous diets, assessing a wide range of nutritional and health indicators.
The study included 7,280 lacto-ovo-vegetarians,1,289 vegans,and 40,059 omnivores,enabling researchers to assess differences in nutrient intake,growth,and overall health.This large sample size strengthens the reliability of the findings.
Vegetarian children demonstrated higher consumption of fiber, iron, folate, vitamin C, and magnesium compared to their omnivorous counterparts. Conversely, they exhibited lower intakes of energy, protein, fat, vitamin B12, and zinc. Similar nutritional patterns were observed, though with fewer studies, among vegan children.
| Nutrient | Vegetarian vs.Omnivore | Vegan vs. Omnivore (Limited Data) |
|---|---|---|
| Fiber | Higher | Higher |
| Iron | Higher | Potentially Higher |
| Vitamin B12 | Lower | Lower |
| Zinc | Lower | Lower |
| Protein | Lower | Lower |
Key Nutrient Gaps to Watch
“Notably, vitamin B12 didn’t reach adequate levels without supplementation or fortified foods, and calcium, iodine and zinc intakes were often at the lower end of recommended ranges, making them vital nutrients to consider for children on plant-based diets,” explains the study co-author Dr. jeannette Beasley, an Associate Professor in the Departments of Nutrition and Food Studies and Medicine at New York University.
Vitamin B12 is almost exclusively found in animal products. deficiency can lead to neurological problems and anemia.iron, while present in plant foods, is non-heme iron, which is less readily absorbed than heme iron from animal sources. Calcium intake can be sufficient with careful planning (fortified plant milks, leafy greens), but requires attention. Zinc absorption can be inhibited by phytates in plant foods, necessitating higher intake or preparation methods to reduce phytate content.
The Recommended Dietary Allowance (RDA) for Vitamin B12 for children ages 4