1. Honarvar B, Erfannia L, Rafiee F, Zahmatkeshan E, Balaghi Inaloo F, Hamzavizarghani N, et al. Overweight and obesity and its determinants in primary school students: a population-based study from Iran. Sci Rep. 2025;15(1):21010. [ DOI:10.1038/s41598-025-98352-x] 2. Dehghani A, Molani-Gol R, Mohammadi-Narab M, Norouzy A, Abolhassani MH, Tabatabaee Jabali SM, et al. The prevalence of obesity and overweight among Iranian population: an umbrella systematic review and meta-analysis. BMC Public Health. 2024;24(1):3377. [ DOI:10.1186/s12889-024-20860-8] 3. Beamish AJ, Ryan Harper E, Järvholm K, Janson A, Olbers T. Long-term Outcomes Following Adolescent Metabolic and Bariatric Surgery. J Clin Endocrinol Metab. 2023;108(9):2184-92. [ DOI:10.1210/clinem/dgad155] 4. Hengist A, Perkin O, Gonzalez JT, Betts JA, Hewison M, Manolopoulos KN, et al. Mobilising vitamin D from adipose tissue: The potential impact of exercise. Nutr Bull. 2019;44(1):25-35. [ DOI:10.1111/nbu.12369] 5. Fox A, Slater C, Ahmed B, Ammori BJ, Senapati S, Akhtar K, et al. Vitamin D Status After Gastric Bypass or Sleeve Gastrectomy over 4 Years of Follow-up. Obesity Surgery. 2020;30(4):1473-81. [ DOI:10.1007/s11695-019-04318-0] 6. Mayana Alves Baad V, Chaves Pereira de Holanda N, Fonseca Nogueira Alves J, Bandeira F, Célia Oliveira Dos Santos A, Alves Marcelino da Silva A, et al. Vitamin D Concentration Changes after Bariatric Surgery. J Obes. 2023;2023:4828052. [ DOI:10.1155/2023/4828052] 7. Zolfaghari F, Khorshidi Y, Moslehi N, Golzarand M, Asghari G. Nutrient Deficiency After Bariatric Surgery in Adolescents: A Systematic Review and Meta-Analysis. Obes Surg. 2024;34(1):206-17. [ DOI:10.1007/s11695-023-06955-y] 8. Sawaya RA, Jaffe J, Friedenberg L, Friedenberg FK. Vitamin, mineral, and drug absorption following bariatric surgery. Curr Drug Metab. 2012;13(9):1345-55. [ DOI:10.2174/138920012803341339] 9. Wang B, Gao S, Zhu Z. Vitamin D deficiency and adverse body composition in adolescents. J Orthop Surg Res. 2025;20(1):637. [ DOI:10.1186/s13018-025-06091-6] 10. Giustina A, Bilezikian JP, Adler RA, Banfi G, Bikle DD, Binkley NC, et al. Consensus Statement on Vitamin D Status Assessment and Supplementation: Whys, Whens, and Hows. Endocr Rev. 2024;45(5):625-54. [ DOI:10.1210/endrev/bnae009] 11. Lofrese JJ, Basit H, Lappin SL. Physiology, Parathyroid. StatPearls. Treasure Island (FL): StatPearls Publishing 12. Copyright © 2025, StatPearls Publishing LLC.; 2025. 13. Wei JH, Lee WJ, Chong K, Lee YC, Chen SC, Huang PH, et al. High Incidence of Secondary Hyperparathyroidism in Bariatric Patients: Comparing Different Procedures. Obes Surg. 2018;28(3):798-804. [ DOI:10.1007/s11695-017-2932-y] 14. Alamdari NM, Abbasi M, Ansari I, Karimian M, Babakhani E, Ahmadi S, et al. Changes in Serum Level of Vitamin D Four Years After Sleeve Gastrectomy in Patients with Morbid Obesity: A Single-Center Study. Annals of Military and Health Sciences Research. 2024;22(22). [ DOI:10.5812/amh-148223] 15. Omarov N, Huseynov E. Effect of Laparoscopic Sleeve Gastrectomy on Calcium Metabolism Parameters, Vitamin D, and Parathyroid Hormone in Morbidly Obese Patients: Short-Term Results. Cureus. 2024;16(10):e71795. [ DOI:10.7759/cureus.71795] 16. Weiner A, Cowell A, McMahon DJ, Tao R, Zitsman J, Oberfield SE, et al. The effects of adolescent laparoscopic adjustable gastric band and sleeve gastrectomy on markers of bone health and bone turnover. Clin Obes. 2020;10(6):e12411. [ DOI:10.1111/cob.12411] 17. Mingrone G, Panunzi S, De Gaetano A, Guidone C, Iaconelli A, Leccesi L, et al. Bariatric surgery versus conventional medical therapy for type 2 diabetes. N Engl J Med. 2012;366(17):1577-85. [ DOI:10.1056/NEJMoa1200111] 18. Bennour I, Haroun N, Sicard F, Mounien L, Landrier JF. Vitamin D and Obesity/Adiposity-A Brief Overview of Recent Studies. Nutrients. 2022;14(10). [ DOI:10.3390/nu14102049] 19. Lespessailles E, Toumi H. Vitamin D alteration associated with obesity and bariatric surgery. Experimental Biology and Medicine. 2017;242(10):1086-94. [ DOI:10.1177/1535370216688567] 20. Stein EM, Carrelli A, Young P, Bucovsky M, Zhang C, Schrope B, et al. Bariatric surgery results in cortical bone loss. J Clin Endocrinol Metab. 2013;98(2):541-9. [ DOI:10.1210/jc.2012-2394] 21. Mechanick JI, Apovian C, Brethauer S, Garvey WT, Joffe AM, Kim J, et al. Clinical practice guidelines for the perioperative nutrition, metabolic, and nonsurgical support of patients undergoing bariatric procedures - 2019 update: cosponsored by American Association of Clinical Endocrinologists/American College of Endocrinology, The Obesity Society, American Society for Metabolic & Bariatric Surgery, Obesity Medicine Association, and American Society of Anesthesiologists. Surg Obes Relat Dis. 2020;16(2):175-247. [ DOI:10.1016/j.soard.2019.10.025] 22. Moore CE, Sherman V. Vitamin D supplementation efficacy: sleeve gastrectomy versus gastric bypass surgery. Obesity surgery. 2014;24:2055-60. [ DOI:10.1007/s11695-014-1261-7] 23. Yamaguchi T, Kawakubo S, Yamaura K, Kinoshita S, Kanai R, Kanbe I, et al. Effects of native vitamin D supplementation on vitamin D status and body composition after sleeve gastrectomy: A retrospective study in Japanese patients. Obesity Pillars. 2024;12:100134. [ DOI:10.1016/j.obpill.2024.100134] 24. Giustina A, di Filippo L, Facciorusso A, Adler RA, Binkley N, Bollerslev J, et al. Vitamin D status and supplementation before and after Bariatric Surgery: Recommendations based on a systematic review and meta-analysis. Rev Endocr Metab Disord. 2023;24(6):1011-29. [ DOI:10.1007/s11154-023-09831-3] 25. Yuan TJ, Chen LP, Pan YL, Lu Y, Sun LH, Zhao HY, et al. An inverted U-shaped relationship between parathyroid hormone and body weight, body mass index, body fat. Endocrine. 2021;72(3):844-51. [ DOI:10.1007/s12020-021-02635-y] 26. Omarov N, Huseynov E. Effect of Laparoscopic Sleeve Gastrectomy on Calcium Metabolism Parameters, Vitamin D, and Parathyroid Hormone in Morbidly Obese Patients: Short-Term Results. Cureus. 2024;16(10). [ DOI:10.7759/cureus.71795]
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