October 2021 in “QJM: An International Journal of Medicine” Low iron levels are linked to premature graying of hair, but vitamin D levels are not.
5 citations
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August 2015 in “Sultan Qaboos University medical journal” Vitamin B12 deficiency can cause skin darkening and other symptoms, which improve with B12 supplements.
134 citations
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December 2018 in “Dermatology and Therapy” Some vitamins and minerals like vitamin D and iron can help with certain types of hair loss, but more research is needed for others.
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.
August 2022 in “International Journal of Health Sciences (IJHS)” Low levels of zinc, ferritin, and vitamin B12 are linked to severe hair loss in pregnant women during their last two trimesters.
January 2022 in “Indian journal of dermatopathology and diagnostic dermatology” Women with diffuse hair loss often have lower iron and vitamin D levels, but their thyroid function is typically normal.
June 2025 in “Public Health of Indonesia” Low levels of zinc, calcium, vitamin D, and ferritin may be linked to hair loss in women.
July 2018 in “Journal of College of Medical Sciences-nepal” Women with certain types of hair loss may have low iron levels.
May 2024 in “Portuguese journal of dermatology and venereology” Reassurance and counseling are key in managing acute telogen effluvium, with supplements possibly offering a placebo effect.
63 citations
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May 2017 in “American Journal of Clinical Dermatology” People with alopecia areata often have lower levels of vitamin D, zinc, and folate, but more research is needed to understand if supplements can help treat it.
January 2025 in “TURKDERM” Alopecia areata incognito in children can be effectively treated with triamcinolone acetonide and supplements, leading to full hair regrowth.
3 citations
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November 2018 in “PubMed” People with TED often have low B12 levels and might benefit from B12 supplements.
October 2024 in “Journal of the Pakistan Medical Association” Genetics, nutrition, lifestyle, and hormones affect early grey hair, but more research is needed.
October 2020 in “Our Dermatology Online” Skin changes and high vitamin B12 levels can be early signs of cancer.
5 citations
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May 2020 in “Diagnostics” Lower zinc levels may predict less effective hair loss treatment.
239 citations
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July 2002 in “Clinical and Experimental Dermatology” Low iron and L-lysine levels can cause hair loss in women, and increasing these nutrients can reduce hair shedding.
3 citations
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January 2000 Some alternative therapies for vitiligo show promise but need more research.
January 2026 in “Dermatology Practical & Conceptual” Children with alopecia areata often have vitiligo, allergic asthma, ADHD, and low vitamin B12 and ferritin levels.
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.
Premature graying of hair is linked to vitamin D and B12 deficiencies, thyroid issues, iron imbalance, stress, and lifestyle habits, and affects quality of life.
November 2023 in “Journal of Cosmetic Dermatology” People with non-scarring hair loss often have lower vitamin D levels than those without hair loss.
5 citations
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January 2020 in “The mental health clinician” Vitamin D supplements may reduce hair-pulling in people with Trichotillomania.
September 2020 in “Osmangazi tıp dergisi” Thyroid dysfunction, vitamin D and B12 deficiencies, and iron deficiency may be linked to hair loss condition Telogen Effluvium.
50 citations
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November 2010 in “Otolaryngologic Clinics of North America” Recognizing oral symptoms can help diagnose and treat blood and nutritional diseases early.
5 citations
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January 2006 in “Journal of obstetrics and gynaecology” Metformin can cause hair loss in some women with PCOS.
1 citations
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April 2021 in “Deneysel ve klinik tıp dergisi/Journal of experimental and clinical medicine” Women with PCOS have a higher risk of metabolic syndrome and need lifestyle changes and treatment.
May 2026 in “International Journal of Creative and Open Research in Engineering and Management” A balanced diet and healthy lifestyle are crucial for preventing hair loss.
August 2024 in “Journal of Cosmetic Dermatology” Telogen effluvium is linked to deficiencies in iron, vitamin B12, and thyroid function.
Good nutrition may help prevent premature hair graying.
Acne is linked to vitamin B12 deficiency.