Vegan and vegetarian diet influence on bone health - a short review
DOI:
https://doi.org/10.12775/JEHS.2021.11.09.041Keywords
Veganism, Vegetarianism, Bone Mineral Density, FracturesAbstract
Introduction and purpose: Vegan and vegetarian diets rise in popularity. Their succes can be attributed to growing ecological awarness and trends in culture. Opponents criticise these diets as incompletely nutritional. In this review, we would like to summarise the state of knowledge over effects of vegan and vegetarian diets on skeletal system. Bone Mineral Density is a widely used indicator of likelyhood of fracture and develompent of osteoporosis. Comparing that parameter between vegans and vegetarians and non-vegans can lead to conclusions about bones’ health.
A brief description of the state of knowledge: Lower intake of calcium and vitamins (D3, B12) in vegans and vegetarians can lead to lower bone mineral density and higher risk of fracture. Although, with supplementation of those nutrients negative effects are greatly reduced. Higher bone mineral density in non-vegetarian subjects can be result of higher body mass, gender and other factors. Plant-based diets are less acid-forming than their counterpart, resulting in lower bone resorption and reduced loss of calcium.
Conclusions: Vegan and vegetarian diet can result in lower boner mineral density. However, if applied correctly, with supplementation of lacking nutrients, or enriching the diet with dairy products it may not lead to any negative effects on bones. Substances contained in plants, more frequently eaten by vegans and vegetarians may have positive effects on bone mineral density.
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