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Effect of Extra Virgin Olive Oil and Traditional Brazilian Diet on the Bone Health Parameters of Severely Obese Adults: A Randomized Controlled Trial

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The Postgraduate Program in Health Sciences, School of Social Sciences and Health, Nutrition Course, Pontifical Catholic University of Goiás, Goiânia, 74605-020 Goiás, Brazil
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The Postgraduate Program in Health Sciences, Faculty of Medicine, Federal University of Goiás, Goiânia, 74605-220 Goiás, Brazil
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The Postgraduate Program in Health Sciences, Professor of the School of Social Sciences and Health, Pontifical Catholic University of Goiás, Goiânia, 74605-020 Goiás, Brazil
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The Postgraduate Program Nutrition and Health, Faculty of Nutrition, Federal University of Goiás, Goiânia, 74605-220 Goiás, Brazil
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Author to whom correspondence should be addressed.
Nutrients 2020, 12(2), 403; https://doi.org/10.3390/nu12020403
Received: 23 December 2019 / Revised: 22 January 2020 / Accepted: 28 January 2020 / Published: 4 February 2020
Dietary interventions can stabilize and/or reverse bone mass loss. However, there are no reports on its effects on bone mineral density (BMD) in severely obese people, despite the vulnerability of this group to bone loss. We examine the effect of extra virgin olive oil supplementation and the traditional Brazilian diet (DieTBra) on BMD and levels of calcium, vitamin D, and parathyroid hormone (PTH) in severely obese adults. A randomized controlled trial followed-up with severely obese adults (n = 111, with mean body mass index 43.6 kg/m2 ± 4.5 kg/m2) for 12 weeks. Study participants received either olive oil (52 mL/day), DieTBra, or olive oil + DieTBra (52 mL/day + DieTBra). BMD was assessed by total spine and hip dual-energy X-ray absorptiometry. After interventions, BMD means for total spine (p = 0.016) and total hip (p = 0.029) were higher in the DieTBra group than in the olive oil + DieTBra group. Final mean calcium levels were higher in the olive oil group compared to the olive oil + DieTBra group (p = 0.026). Findings suggest that DieTBra and extra virgin olive oil have positive effects on bone health in severely obese adults. The major study was registered at ClinicalTrials.gov (NCT02463435). View Full-Text
Keywords: bone mineral density; obesity; healthy diet; parathyroid hormone; calcium and vitamin D; clinical trial bone mineral density; obesity; healthy diet; parathyroid hormone; calcium and vitamin D; clinical trial
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Cardoso, C.K.S.; Santos, A.S.A.C.; Rosa, L.P.S.; Mendonça, C.R.; Vitorino, P.V.O.; Peixoto, M.R.G.; Silveira, É.A. Effect of Extra Virgin Olive Oil and Traditional Brazilian Diet on the Bone Health Parameters of Severely Obese Adults: A Randomized Controlled Trial. Nutrients 2020, 12, 403.

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