August 2025 in “Frontiers in Nutrition” Leucine levels may affect hair loss after bariatric surgery.
December 2018 in “Journal of Patan Academy of Health Sciences” Many Chinese patients lose hair after weight loss surgery, especially women, and taking iron and zinc on their own doesn't help.
October 2017 in “The American journal of gastroenterology” Three patients suffered severe health issues due to not getting enough vitamins and minerals after weight-loss surgery.
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July 2018 in “Obesity surgery” Over half of patients had hair loss after weight-loss surgery, especially women, linked to low zinc and vitamin B12 levels.
November 2025 in “International Journal of Surgery” Lower levels of certain nutrients after surgery may increase hair loss risk.