31 citations
,
February 1983 in “American Journal of Clinical Nutrition” Biotin deficiency can cause hair loss in adults on long-term TPN, but supplementation helps regrow hair.
5 citations
,
January 2024 in “American Journal of Translational Research” Gut bacteria affect female reproductive health and may help diagnose and treat related diseases.
September 2025 in “International Journal of Molecular Sciences” Bacteroides fragilis and Microbacterium sp. T32 may be linked to autoimmune activity in Hashimoto's thyroiditis and alopecia areata.
February 2026 in “Animals” Methionine supplementation in low-protein diets improves growth, fur quality, and gut health in blue foxes.
82 citations
,
August 2017 in “Cell Reports” An imbalanced gut and lack of biotin can cause hair loss in mice.