44 citations
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May 2014 in “The American Surgeon” In this study, hair loss after laparoscopic sleeve gastrectomy was associated with zinc and iron levels, even within normal ranges, and a combined variable of zinc and iron predicted susceptibility to hair loss.
13 citations
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August 2020 in “Journal of Laparoendoscopic & Advanced Surgical Techniques” This study found that temporary hair loss is common after laparoscopic sleeve gastrectomy, and biotin supplementation showed low effectiveness in preventing this hair loss.
March 2026 in “Obesity Surgery” This study found that hair loss after metabolic and bariatric surgery peaks at 3 months and improves by 6 months, with iron deficiency and female sex being strong predictors of hair loss.
December 2022 in “Journal of Sulaimani Medical College” This study observed that laparoscopic sleeve gastrectomy significantly reduced BMI and helped improve or eliminate certain obesity-related comorbidities over six months, with a low incidence of postoperative complications.
This study found that bariatric surgery patients with a prescription for supplements had fewer nutrient deficiencies and less hair loss 12 months post-operation compared to those without supplements.