December 2021 in “Dermatology research” Low levels of vitamin B12, ferritin, and calcium are linked to premature graying of hair.
20 citations
,
June 2020 in “Journal of Advanced Research” High-dose vitamin A and E with zinc improved blood sugar control and insulin function in diabetics, but may cause hair loss.
9 citations
,
February 1984 in “Zentralblatt für Veterinärmedizin Reihe A” Biotin is essential for healthy skin and claws in pigs.
48 citations
,
January 2015 in “Indian Journal of Dermatology, Venereology and Leprology” Vitamin D is important for skin health and can help treat psoriasis, atopic dermatitis, and vitiligo.
40 citations
,
July 2018 in “European Journal of Pharmaceutical Sciences” Melatonin vitamin C-based nanovesicles improved hair growth and reduced hair loss in androgenic alopecia patients.
April 2023 in “Dohuk medical journal” People with telogen effluvium often have much lower vitamin D levels than healthy individuals.
July 2025 in “Insights-Journal of Health and Rehabilitation” Adding vitamin D to metformin lowers blood sugar more than metformin alone in type 2 diabetes.
November 2022 in “Journal of the Endocrine Society” Estrogen deficiency can reduce the enzyme activity needed to activate vitamin D.
April 2005 in “Journal of Investigative Dermatology” Vitamin D helps protect skin, PSORS1 gene's risk interval for psoriasis is expanded, hair follicles can be generated from mouse cells, and interferon-γ may cause pigmented skin lesions.
9 citations
,
November 2014 in “Journal of Cutaneous Medicine and Surgery” Many dermatologists in Saudi Arabia recommend vitamins and minerals for hair loss, often based on personal experience rather than strong evidence.
March 1996 in “Hair transplant forum international” Kevis P.F. may help with hair care when used with other products.
2 citations
,
September 2022 in “Bioscientia medicina” Topical vitamin D is effective in treating vitiligo with few side effects.
May 2011 in “Utrecht University Repository (Utrecht University)” The nicotinamide supplement did not reduce symptoms in horses with insect bite hypersensitivity.
37 citations
,
August 2011 in “Journal of Bone and Mineral Research” A girl had rickets due to a gene mutation affecting vitamin D response.
January 2022 in “Zenodo (CERN European Organization for Nuclear Research)” Most Saudi adults use multivitamins for hair growth.
15 citations
,
March 2000 in “The journal of investigative dermatology/Journal of investigative dermatology” As skin cells mature, vitamin D receptor levels decrease while retinoid X receptor α levels increase.
GV-350 improves hair growth and quality of life in iron-deficient women without side effects.
January 2024 in “International journal of chemical research and development (Print)” Low levels of vitamin B12, iron, ferritin, and zinc are linked to hair loss in Iraqi women.
1 citations
,
January 2020 in “Дерматологія та венерологія” Natubiotin is effective for treating different hair loss conditions when used with other therapies.
25 citations
,
March 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin D Receptor is needed for hair growth in mice but not for skin stem cell maintenance.
April 2020 in “El-Minia Medical Bulletin” Low Vitamin D and its receptors might be linked to chronic hair loss in women.
September 2018 in “Journal of Pharmaceutical and Allied Sciences” Vegetables in Kaduna, Nigeria, have varying zinc levels, with Amaranthus tricolor having the most.
September 2023 in “Diagnostics” Low vitamin D levels may affect ovulation and progesterone in infertile women.
1 citations
,
December 2019 Selenium is essential for health, but too much or too little can cause problems; blood selenium levels are a good measure of intake.
26 citations
,
May 1984 in “Journal of Parenteral and Enteral Nutrition” Biotin supplements restored hair and resolved symptoms in a woman with biotin deficiency.
Older people tend to have higher biotin levels, which are weakly linked to certain blood components and negatively linked to triglycerides; biotin should be checked in patients with high triglycerides or medication-related skin issues, and only supplemented if deficient. Vitamin D and folate deficiencies are linked to specific skin conditions.
January 2025 in “Open Veterinary Journal” Zinc, copper, and vitamin A deficiencies cause skin disorders in sheep.
23 citations
,
January 2016 in “International Journal of Trichology” Women with female pattern hair loss have lower Vitamin D3 levels.
35 citations
,
January 2013 in “International Journal of Trichology” Kids with early graying hair often have low levels of calcium, ferritin, and vitamin D3.
2 citations
,
October 2016 in “Nutrition in clinical practice” Vitamin B12 deficiency can cause facial dark spots that go away with treatment.