54 citations,
April 2007 in “Gastroentérologie clinique et biologique” Bariatric surgery can worsen nutritional deficiencies, requiring careful monitoring and supplementation.
7 citations,
May 2012 in “Journal of veterinary diagnostic investigation” Some young Angus cattle had skin problems due to not enough vitamin A, which got better after they were given more vitamin A.
February 2021 in “Austin journal of nutrition & metabolism” Appropriate zinc levels may help prevent hair loss in university students.
2 citations,
July 2018 in “Elsevier eBooks” Some supplements may help with hair loss, but there's not enough strong evidence to recommend them without doctor advice.
27 citations,
March 2012 in “Dermatologic Therapy” Taking zinc supplements can help improve or cure hair loss caused by zinc deficiency.