13 citations
,
September 2021 in “Current Issues in Molecular Biology” Dexpanthenol helps human hair follicle cells grow by preventing aging and death, and by supporting growth signals.
21 citations
,
January 2009 in “Indian journal of dermatology, venereology, and leprology” Vitamin B12, folate, ferritin, and iron levels are not linked to alopecia areata.
October 2025 in “Diseases” Women with hair loss often have deficiencies in iron, vitamins, minerals, and lower thyroid function, suggesting the need for nutritional and hormonal treatment.
April 2023 in “Journal of Investigative Dermatology” Blocking casein kinase 1 in skin cells can help melanocyte precursors move better, potentially helping with conditions like vitiligo or gray hair.
Biotin boosts wool growth and follicle health in sheep.
2 citations
,
August 2024 in “Current Developments in Nutrition” Iranian bodybuilders often use supplements like vitamins C, D, and whey protein, but they experience side effects like skin rashes and hair loss.
19 citations
,
May 2014 in “Molecules” Avicequinone C, a compound found in the Avicennia marina plant, can reduce hair loss by inhibiting a hormone linked to androgenic alopecia.
September 2006 in “Baghdad Science Journal” Pregnant and breastfeeding women may experience hair loss if they don't get enough essential vitamins and minerals.
January 2025 in “SKIN The Journal of Cutaneous Medicine” Calcipotriol's effectiveness for treating alopecia areata is unclear and needs more research.
Vitamin D3 helps treat mild to moderate alopecia areata, especially when combined with other treatments.
September 2024 in “African Journal of Biomedical Research” Alopecia areata patients have lower vitamin D and slightly lower copper levels, so these should be checked.
1 citations
,
February 2023 in “Digestive diseases and sciences” Gastroparesis may cause hair loss due to micronutrient deficiencies, and multivitamins might help.
15 citations
,
May 2006 in “Brain & development” Valproic acid may cause hair loss by reducing biotinidase enzyme activity in rats.
5 citations
,
June 2021 in “Pharmacological Reports” Vitamin D may help reduce antibody levels in men with autoimmune thyroiditis and early-onset androgenic alopecia, but has no significant impact on thyroid function.
January 2025 in “Ginekologia Polska” VDR gene variations may affect carbohydrate metabolism in young women with hyperandrogenism.
2 citations
,
May 2022 in “Diagnostics” Vitamin D levels in hair don't match those in blood, so hair isn't a reliable indicator of Vitamin D status.
February 2024 in “Molecules/Molecules online/Molecules annual” NMN could potentially treat hair loss by reducing oxidative stress and improving cell health.
The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
October 2022 in “Deleted Journal” Long-term low-dose Vitamin A intake may cause increased brain pressure.
January 2026 in “Nutrients” Low vitamin D may increase autoimmune thyroid disease risk, but its treatment effects are unclear.
22 citations
,
January 1968 in “THE JOURNAL OF VITAMINOLOGY” α-Tocopheryl acetate is well absorbed through healthy skin.
April 2019 in “Journal of Investigative Dermatology” New vitamin D3 forms need the vitamin D receptor to reduce fibrosis in human cells.
July 2021 in “Journal of pharmaceutical research international” Most women with female pattern hair loss have low vitamin D levels.
May 2022 in “Journal of the American Academy of Dermatology” The document suggests using a topical Vitamin D treatment for hair loss rather than oral supplements and calls for more research.
27 citations
,
October 1945 in “Endocrinology” Synthetic hormone treatment reduces melanin and hair growth in rats.
April 2025 in “Egyptian Journal of Medical Research” People with Telogen Effluvium have lower vitamin D levels.
8 citations
,
June 2020 in “International Journal of Dermatology” Men with early hair loss have lower vitamin D levels.
34 citations
,
January 1943 in “Endocrinology” Adrenalectomy boosts hair growth and melanin in black rats, even with vitamin B¹ deficiency.
1 citations
,
April 2021 in “International Journal of Research in Dermatology” Low iron and vitamin B12 levels are common in women with chronic hair loss, while low vitamin D is less common.
March 2019 in “Reactions Weekly”