August 2022 in “Clinical and Experimental Dermatology” This study found that serum cysteine levels were not lower in patients with chronic telogen effluvium and did not correlate with hair loss severity.
1 citations
,
July 2022 in “Clinical and Experimental Dermatology” This study suggests that arginine and cysteine deficiency is not present in women with chronic telogen effluvium, indicating that amino acid supplementation may be unnecessary in nutrient-replete populations.
August 2025 in “Frontiers in Nutrition” 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.
71 citations
,
January 2014 in “Journal of Proteome Research” In this study, distinct metabolic profiles were identified in women with PCOS, suggesting potential biomarkers for diagnosis based on changes in lipid and androgen metabolism.
11 citations
,
October 1997 in “British Journal of Dermatology” This study found that a serum-free culture system supported hair growth from follicles responsive to calcium, glucose, and amino acids, with insulin enhancing the growth, while other factors had no effect.