New Research: Plant-Based Diets Support Healthy Growth in Children
Study Overview
A new study published in the medical journal Pediatrics reports that children following a plant-based diet show similar growth and nutrient levels compared to children who consume meat. Researchers at St. Michael’s Hospital in Toronto investigated this topic due to the rising popularity of plant-based diets and the limited regional research available.
Dr. Jonathan Maguire, pediatrician and lead author, explained:
“Over the past 20 years, plant-based diets have grown in popularity. The food landscape has changed, and plant-based alternatives have become more accessible. Yet Canada lacks studies evaluating nutritional outcomes in children following vegan or plant-based diets.”
Study Design and Participants
The study, funded by the Canadian Institutes of Health Research, St. Michael’s Hospital Foundation, and SickKids Foundation, assessed 8,907 children aged 6 months to 8 years. Data was collected over 11 years (2008–2019).
Participants were categorized as:
- Plant-based diet: No meat consumption
- Non-plant-based diet: Includes meat
Are Plant-Based Diets Good for Kids?
Key Findings
Researchers found that children on a plant-based diet had similar average:
- Body mass index (BMI)
- Height
- Iron levels
- Vitamin D levels
- Cholesterol levels
These findings suggest that plant-based diets can meet children’s growth and nutritional needs when properly planned.
Importance of Professional Guidance
While results are promising, researchers emphasize the need for access to healthcare providers who can offer:
- Growth monitoring
- Nutritional education
- Dietary guidance
Dr. Maguire notes that plant-based eating patterns are generally considered healthy due to high intake of fruits, vegetables, fiber, and whole grains, paired with lower saturated fat.
“Plant-based diets seem to work for most kids,” he said.
Study Limitations
The study did not evaluate the quality of the plant-based diet. Researchers noted that:
- Plant-based diets vary widely
- Diet quality plays a crucial role in overall nutritional outcomes
- More research is needed to assess strict vegan diets (excluding meat, dairy, eggs, and honey)
The Rise of Plant-Based Eating in Canada
National Dietary Trends
The study’s findings align with a broader shift toward plant-based eating in Canada. In 2019, Canada updated its national food guide, removing traditional meat and dairy groups. Instead, it promotes:
- Plant-based proteins (beans, lentils, tofu)
- Whole grains
- A plate half-filled with vegetables and fruits
The guide encourages Canadians to choose plant-based foods more often to improve overall health.
Increasing Plant-Based Adoption
That same year, researchers at Dalhousie University and the University of Guelph found:
- 6.5 million Canadians (20% of the population) were actively reducing or eliminating meat
- 1.3 million Canadians identified as vegetarian
- 466,000 Canadians identified as vegan
These numbers represent the highest levels ever recorded in Canada.
Health Benefits of Plant-Based Diets
Evidence-Backed Advantages
Research on both children and adults shows that predominantly plant-based diets offer multiple benefits:
- Higher intake of fiber
- Lower saturated fat
- Improved heart health
- Reduced risk of cancer
- Lower risk of type 2 diabetes
A well-planned plant-based diet emphasizes:
- Vegetables and fruits
- Whole grains
- Plant-based proteins such as legumes, tofu, and nuts
Conclusion
This new study provides strong evidence that plant-based diets can support normal growth and good nutrition in children, provided the diet is balanced and monitored. As plant-based eating becomes more common in Canada, families can confidently adopt plant-forward meals while ensuring dietary quality and professional guidance.
Can a plant-based diet support the high growth and energy demands of a developing child?
Yes. The study indicates that a well-planned plant-based diet can provide all the necessary nutrients and energy required for healthy growth. Key to this is ensuring a high intake of nutrient-dense foods such as legumes, nuts, seeds, and whole grains. Because children have smaller stomach capacities but high energy needs, it is important to include healthy fats (like avocados or nut butters) and diverse protein sources to ensure they meet their caloric and developmental milestones.
What are the specific nutritional “safety nets” parents should focus on in a plant-based diet for kids?
While the study finds plant-based diets equally beneficial, it emphasizes the importance of monitoring specific vitamins and minerals that are primarily found in animal products:
Calcium and Vitamin D: Parents should look for fortified plant-based beverages and ensure adequate sun exposure or supplementation to maintain strong bone development.
Vitamin B12: Since B12 is not naturally occurring in plants, children should consume fortified cereals, plant milks, or a doctor-recommended supplement.
Iron and Zinc: These are found in beans and leafy greens, but they are absorbed better when paired with Vitamin C (like adding citrus or bell peppers to a meal).



