6 citations
,
April 2012 in “PubMed” Enteral supplements can improve symptoms of Cronkhite-Canada syndrome.
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.
47 citations
,
September 2023 in “Pharmacological Reports” Vitamins A, B3, C, D, and E can improve skin health and immunity.
5 citations
,
July 2018 in “Pediatrics” A 3-year-old girl developed scurvy symptoms that improved with vitamin C but relapsed when supplementation stopped.
February 2025 in “International Journal of Morphology” Vitamin E can reduce the negative effects of valproic acid on hair and skin development.
1 citations
,
August 2004 in “Alternative & complementary therapies” Non-drug methods like diet, supplements, and aromatherapy can help manage hair loss and its emotional impact.
PCOS patients, especially obese ones, often lack vitamin D and may need supplements and lifestyle changes.
January 2023 in “Voennaâ medicina” Hair loss in women can improve with iron and vitamin supplements if caused by iron deficiency.
1 citations
,
October 2023 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” A man developed skin lesions as a side effect of a gamma secretase inhibitor used for treating a tumor.
5 citations
,
October 2019 in “Giornale italiano di dermatologia e venereologia” Biotin supplements can improve certain skin disorders and hair loss when a deficiency is present.
8 citations
,
June 2020 in “International Journal of Dermatology” Men with early hair loss have lower vitamin D levels.
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.
May 2024 in “International journal of research in dermatology” Low vitamin D levels are linked to increased risk of male pattern baldness.
6 citations
,
August 2020 in “Dermatology and Therapy” People with Alopecia Areata often have lower vitamin D levels, and vitamin D supplements might help treat it.
March 2019 in “Evidence Based Women Health Journal (Online)” Vitamin D supplements increased ovulation rates in women with PCOS who were vitamin D deficient.
November 2025 in “Bioscientia Medicina Journal of Biomedicine and Translational Research” A combined treatment with microneedling and vitamin D3 led to complete hair regrowth in a woman with stubborn patch alopecia areata.
January 2019 in “Clinical neuropharmacology” A girl's hair-pulling condition improved greatly after she started vitamin D treatment.
1 citations
,
November 2011 in “Dermatologica Sinica” Women using hair relaxers with alopecia had lower zinc levels, suggesting zinc deficiency might contribute to hair loss.
January 2012 in “Vitamins & trace elements” Smoking and drinking can lower vitamin levels and potentially trigger early hair loss, but overall vitamin levels don't seem to affect hair loss duration.
32 citations
,
December 2017 in “International Journal of Molecular Sciences” Low vitamin D might be linked to certain types of hair loss, and supplements could help, but more research is needed.
1 citations
,
January 2021 in “Journal of Dermatology and Dermatologic Surgery” Taking Vitamin D supplements may increase the risk of skin darkening after laser hair removal.
July 2025 in “Food Science & Nutrition” Vitamin D supplements improve hair growth and metabolism in rabbits.
December 2021 in “Trichology and cosmetology:” Taking Kera-Diet® improves hair and nail health without side effects.
January 1982 in “Side effects of drugs annual” High doses of certain vitamins can cause serious side effects and health risks.
37 citations
,
June 2018 in “Clinical and Experimental Medicine” People with alopecia areata often have lower vitamin D levels and more inflammation, suggesting vitamin D might be involved in the condition.
4 citations
,
October 2022 in “Medicine” Vitamin D might help treat alopecia areata.
3 citations
,
November 2020 in “Curēus” A child's hair loss from alopecia areata was fully reversed in five months using diet and supplements.
The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
3 citations
,
February 2020 in “International journal of women’s dermatology” Most women with hair loss take more supplements than average, but these often don't help and can be risky and costly.
1 citations
,
February 2022 in “Journal of the American Academy of Dermatology” Taking biotin supplements can be risky and often lacks evidence of effectiveness for skin, hair, and nail issues.