Journal
NUTRIENTS
Volume 13, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/nu13020685
Keywords
bone health; BUA; SOS; QUS; vegan; diet; biomarker; reduced rank regression; RRR
Categories
Funding
- Elsbeth Bonhoff Stiftung, Berlin, Germany
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Scientific evidence suggests that a vegan diet may be associated with impaired bone health. A cross-sectional study comparing vegans and omnivores found lower calcaneal quantitative ultrasound measurements in vegans, as well as differences in nutrition- and bone-related biomarker concentrations. Certain biomarkers were identified to contribute most to bone health, with all QUS parameters increasing across the tertiles of the pattern score. Further studies are needed to confirm these findings.
Scientific evidence suggests that a vegan diet might be associated with impaired bone health. Therefore, a cross-sectional study (n = 36 vegans, n = 36 omnivores) was used to investigate the associations of veganism with calcaneal quantitative ultrasound (QUS) measurements, along with the investigation of differences in the concentrations of nutrition- and bone-related biomarkers between vegans and omnivores. This study revealed lower levels in the QUS parameters in vegans compared to omnivores, e.g., broadband ultrasound attenuation (vegans: 111.8 +/- 10.7 dB/MHz, omnivores: 118.0 +/- 10.8 dB/MHz, p = 0.02). Vegans had lower levels of vitamin A, B2, lysine, zinc, selenoprotein P, n-3 fatty acids, urinary iodine, and calcium levels, while the concentrations of vitamin K1, folate, and glutamine were higher in vegans compared to omnivores. Applying a reduced rank regression, 12 out of the 28 biomarkers were identified to contribute most to bone health, i.e., lysine, urinary iodine, thyroid-stimulating hormone, selenoprotein P, vitamin A, leucine, alpha-klotho, n-3 fatty acids, urinary calcium/magnesium, vitamin B6, and FGF23. All QUS parameters increased across the tertiles of the pattern score. The study provides evidence of lower bone health in vegans compared to omnivores, additionally revealing a combination of nutrition-related biomarkers, which may contribute to bone health. Further studies are needed to confirm these findings.
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