2 citations
,
October 2016 in “Nutrition in clinical practice” Vitamin B12 deficiency can cause facial dark spots that go away with treatment.
30 citations
,
October 2009 in “Journal of Veterinary Internal Medicine” A Pomeranian dog had rickets due to a new gene mutation, leading to severe symptoms and euthanasia.
109 citations
,
June 2011 in “Molecular and Cellular Endocrinology” Vitamin D receptor mutations can cause alopecia by affecting hair growth genes.
12 citations
,
September 2011 in “BMJ Case Reports” Quick diagnosis and biotin treatment can dramatically improve biotinidase deficiency symptoms.
January 2025 in “Egyptian Journal of Dermatology and Venerology” COVID-19 vaccination may lower vitamin D levels and cause hair loss.
13 citations
,
February 2020 in “CHEST Journal” Vitamin C supplementation can resolve pulmonary arterial hypertension caused by vitamin C deficiency.
12 citations
,
December 2016 in “The FASEB Journal” Lack of vitamin D receptor causes hair loss in mice by allowing certain genes to overactivate.
1 citations
,
March 2024 in “Science” Vitamin A helps skin stem cells decide their function, aiding in hair growth and wound repair.
June 2026 in “World Journal of Clinical Pediatrics” Early diagnosis and tailored treatment improve outcomes for non-nutritional rickets.
17 citations
,
January 2009 in “Plant cell monographs” 1 citations
,
August 2008 in “Plant cell monographs”
December 2021 in “Dermatology research” Low levels of vitamin B12, ferritin, and calcium are linked to premature graying of hair.
March 2024 in “Portuguese Journal of Dermatology and Venereology” People with hair loss often have lower levels of iron, vitamin D, and vitamin B12.
184 citations
,
August 1983 in “The journal of pediatrics/The Journal of pediatrics” Biotinidase deficiency has various symptoms and can be treated with biotin supplements.
3 citations
,
January 2016 in “Annals of Dermatology” Vitamin D may help reduce inflammation in acne.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Vitamin A levels don't significantly affect alopecia areata.
2 citations
,
June 2022 in “INTERNATIONAL JOURNAL OF ENDOCRINOLOGY (Ukraine)” Vitamin D can help reduce depression in people with hypothyroidism.
September 2023 in “International Journal of Trichology” Oral Vitamin D can improve hair density and reduce hair loss in Telogen Effluvium patients.
5 citations
,
July 2018 in “Pediatrics” A 3-year-old girl developed scurvy symptoms that improved with vitamin C but relapsed when supplementation stopped.
January 2025 in “The International Journal of Gastroenterology and Hepatology Diseases” Vitamin B12 is crucial for hair and nerve health, and its malabsorption can cause hair loss and nerve damage.
May 2004 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Vitamin D affects Msx1 protein expression and may influence mineralized tissue health.
140 citations
,
April 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzyme 25 Hydroxyvitamin D 1 α-Hydroxylase is essential for healthy skin and recovery after skin damage.
January 2023 in “International Journal of Contemporary Pediatrics” A rare genetic disease causes rickets and often hair loss in young children, which can improve with specific treatments.
Adequate vitamin D might lower, and high hair chromium might increase DNA damage in obese women.
11 citations
,
June 2012 in “Archives of Dermatological Research” L-cystine and vitamin B6 at high doses prevented hair loss in mice treated with a chemotherapy drug.
Azelaic acid and vitamin B6 together may improve hair growth.
9 citations
,
February 1984 in “Zentralblatt für Veterinärmedizin Reihe A” Biotin is essential for healthy skin and claws in pigs.
2 citations
,
September 2021 Patients with alopecia areata may have lower vitamin D levels than healthy people.
September 1993 in “Archives of Disease in Childhood” Early diagnosis and treatment with biotin are crucial for preventing severe outcomes in certain conditions.
May 2004 in “International Journal of Cosmetic Science” Melanogenesis inhibitors like kojic acid and niacinamide can reduce inflammation and pigment production in skin cells.