170 citations
,
May 1979 in “The journal of pediatrics/The Journal of pediatrics” Two sisters with rickets and hair loss had a genetic issue with vitamin D processing, and only improved when given phosphorus supplements.
42 citations
,
February 2014 in “Stem Cells and Development” Vitamin C helps adipose-derived stem cells grow and may support hair growth.
1 citations
,
August 2021 Instagram ads for skin, hair, and nail supplements often make broad health claims without clear ingredient information, and are not FDA-regulated.
5 citations
,
January 1970 in “Journal of Nepal Paediatric Society” Hair loss can be a key sign of a rare type of rickets when vitamin D treatment doesn't work and advanced tests aren't available.
16 citations
,
November 1992 in “Journal of International Medical Research” ViviScal®, a food supplement, was found to be highly effective in treating hereditary hair loss in young males, while fish extract showed no impact.
March 2023 in “JIIS (Jurnal Ilmiah Ibnu Sina): ilmu farmasi dan kesehatan” The best biotin hair tonic formula has 20% span 80, 9.47% tween 80, and 5% PEG 400.
July 2025 in “International Journal of Research in Dermatology” Nutritional supplements with natural DHT inhibitors are effective for treating androgenetic alopecia.
4 citations
,
February 2023 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” The study found that certain mutations in the vitamin D receptor can cause rickets and potentially affect hair growth.
1 citations
,
February 2017 in “PubMed” The supplement may help hair growth and is safe, but more research is needed.
June 2023 in “Italian journal of dermatology and venereology” The oral supplement improved hair loss in patients with telogen effluvium.
1 citations
,
July 2023 in “Plastic and Aesthetic Nursing” Biotin and collagen may improve hair health.
July 2024 in “Journal of Investigative Dermatology” USPlus®Derm may help hair growth and maintain stem cells in male pattern hair loss.
1 citations
,
June 2025 in “Pharmacognosy Research” The F4 polyherbal sunscreen is a promising natural alternative with effective UV protection and antioxidant benefits.
36 citations
,
January 2017 in “Journal of Obstetrics and Gynaecology Research” The review found no clear link between vitamin D receptor gene variations and polycystic ovary syndrome.
January 2019 in “Figshare” Redheaded people have higher levels of vitamin D precursor, suggesting their hair color may be an adaptation to low sunlight areas.
11 citations
,
September 1999 in “Biological Trace Element Research” Mineral deficiencies in pregnant women can be improved with proper supplementation.
1 citations
,
January 2016 in “Journal of Nepal Paediatric Society” A child with rickets and hair loss might have a rare type of rickets that doesn't improve much with usual vitamin D and calcium treatment.
December 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Redheaded people have higher levels of a vitamin D precursor, suggesting red hair may be an adaptation for better vitamin D synthesis in areas with less sunlight.
August 2013 in “Pharmacy Today” Viviscal may modestly improve hair loss in women without adverse effects.
7 citations
,
June 2016 in “Bone Research” A Chinese family had a child with a specific gene mutation causing vitamin D-resistant rickets, but the child improved with calcium and low-dose calcitriol.
May 2013 in “DOAJ (DOAJ: Directory of Open Access Journals)” The multimodal microemulsion with minoxidil, diclofenac, and tea tree oil is more effective for hair growth than minoxidil alone.
May 2023 in “Minia Journal of Medical Research” Vitamin D levels in hair and serum are similar for males and females.
37 citations
,
October 2006 in “Archives of Biochemistry and Biophysics” A unique gene mutation causes vitamin D-resistant rickets without causing hair loss.
1 citations
,
July 2012 in “EFSA journal” KF2BL20 does not have proven benefits for maintaining normal hair.
104 citations
,
May 2003 in “Endocrinology” Lampreys have a functional vitamin D receptor that may help detoxify harmful substances.
September 2021 in “Zenodo (CERN European Organization for Nuclear Research)”
September 2023 in “Baylor University Medical Center Proceedings” Some alternative supplements might help with hair loss due to androgenetic alopecia.
46 citations
,
December 2010 in “PubMed” Tocotrienol supplements significantly increased hair growth in people with hair loss.
16 citations
,
January 2008 in “Acta dermato-venereologica” Vitamin B12 deficiency can cause skin darkening and increased blood vessels, but treatment can improve symptoms.