Correlation Between Changes of Amino Acid Spectrum and Alopecia in Patients with Obesity Undergoing Bariatric Surgery: A Prospective Cohort Study

August 2025 in “ Frontiers in Nutrition ”

Tingwen Wang, Jiaqing Huang, Xin Sun, Hai Zhao, Jun Bao, Xuehui Chu, Xiaojie Bian

alopecia bariatric surgery leucine serum amino acid profile LSG surgery hair loss weight loss surgery

Studysummary This study found that serum amino acid profiles changed significantly following laparoscopic sleeve gastrectomy in patients with obesity, and identified serum leucine levels as an independent risk factor for postoperative alopecia.

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research Prevalence of Nutritional Deficiencies in Hair Loss Among Indian Participants: Results of a Cross-Sectional Study

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research Analysis of Serum Zinc and Copper Concentrations in Hair Loss

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This study observed that patients with various types of hair loss had significantly lower serum zinc levels compared to healthy controls, suggesting zinc disturbance may play a role in the condition.

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