Comparison Of Correlates Of Bone Mineral Density In Individuals Adhering To Lacto Ovo, Vegan, Or Omnivore Diets A Cross Sectional Investigation(1)

This study examined whether following vegetarian or vegan diets affects bone health in young, healthy adults. Researchers compared 82 people who had been following either meat-based (omnivore), lacto-ovo vegetarian (eating dairy and eggs but no meat), or vegan diets for at least one year. They measured bone mineral density using specialized scans, analyzed participants' diets, and tested blood and urine samples to understand how different eating patterns might impact bone strength.

The key finding was reassuring: bone mineral density was similar across all three diet groups. However, the researchers discovered interesting differences in how various factors affected bone health depending on diet type. Vegetarians and vegans consumed about 30% less protein than meat-eaters, but this lower protein intake only seemed to matter for bone health in the vegan group. Meanwhile, vegetarians and vegans had more alkaline urine (indicating their bodies were less acidic), which is generally considered better for bones, though this factor only correlated with bone density in the meat-eating group.

These results suggest that plant-based diets aren't harmful to bone health in young adults, contrary to some concerns about vegetarian diets lacking bone-supporting nutrients. The study indicates that different dietary approaches may require different strategies for optimal bone health - meat-eaters might benefit from more fruits and vegetables to reduce body acidity, while vegetarians might need to focus on adequate plant-based protein intake.

In clinical practice, this research supports individualized nutrition counseling based on dietary preferences, helping patients maintain strong bones regardless of whether they choose plant-based or omnivorous eating patterns.