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.
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.
98 citations
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October 2012 in “Dermatologic Clinics” Eating the right nutrients can improve hair health, but taking extra supplements usually doesn't help unless you have a deficiency.
7 citations
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January 2017 in “Journal of cosmetology & trichology” Good nutrition is crucial for healthy hair and can help with hair loss without medication.
6 citations
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January 2019 in “International Journal of Medicine in Developing Countries” Premature greying of hair is common among young people at King Faisal University, especially females, and is linked to health issues, lifestyle, and family history.
4 citations
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January 2020 in “Frontiers in Physiology” Good feather growth in poultry needs the right balance of proteins, amino acids, minerals, and vitamins.
Vitamin D may help improve hair growth in women with diffuse alopecia.
October 2023 in “Dermatology practical & conceptual” Many patients experienced hair loss after COVID-19, with women affected more, starting on average 49 days post-infection.
January 2017 in “International journal of clinical & experimental dermatology” Eating a balanced diet with vitamins, micronutrients, and antioxidants is important for hair health and can help with hair loss.
The document concludes that hair loss in women is complex, often linked to aging, health conditions, and nutritional deficiencies, and emotional impacts should not be underestimated.
A gluten-free diet and removing the parathyroid adenoma helped a girl with coeliac disease and high calcium levels start puberty.
2 citations
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December 2015 in “Journal of dermatology research and therapy” People with Chronic Telogen Effluvium mainly have lower iron levels compared to healthy individuals.
March 2026 in “Obesity Surgery” Hair loss after surgery is temporary and linked to iron deficiency, needing nutritional monitoring.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Keyora Lycopene 23 in 1 multi-vitamin improves men's reproductive and metabolic health.
January 2025 in “International Journal of Molecular Sciences” Non-liganded Vitamin D Receptor is crucial for healthy skin and hair.
July 2018 in “Journal of College of Medical Sciences-nepal” Women with certain types of hair loss may have low iron levels.
March 2013 in “Journal für Kardiologie (Krause & Pachernegg GmbH)” Hormones significantly affect hair growth and loss, with potential for new treatments.
December 2010 in “Bariatric Nursing and Surgical Patient Care” Hair loss after bariatric surgery can be reduced by staying hydrated, eating enough protein, taking vitamins, managing stress, and possibly using biotin.
5 citations
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December 1942 in “Journal of the American Medical Association” Choline and biotin are important for liver health and preventing certain deficiencies in animals, and more research is needed to understand their benefits in humans.
2 citations
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September 2012 in “Turk Dermatoloji Dergisi” Low levels of ferritin and vitamin B12 are common in women with telogen effluvium, but the link between nutrient deficiencies and the condition is not clear.
50 citations
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September 2011 in “Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids” Maintaining the right amount of retinoic acid is crucial for healthy hair and skin.
1 citations
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June 2023 in “Nutrients” Vitamin D deficiency is linked to a higher chance of metabolic syndrome in women with PCOS.
July 2021 in “Al-Azhar Assiut Medical Journal” Low ferritin, vitamin D deficiency, and thyroid problems may contribute to hair loss in some hospital patients in Western Saudi Arabia.
May 2021 in “Indian journal of forensic medicine and toxicology” Females with androgenic alopecia have significantly lower vitamin D3 and ferritin levels.
54 citations
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September 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin A affects hair loss and immune response in alopecia areata.
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.
5 citations
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December 1978 in “PubMed” Malabsorption can cause skin issues like pigmentation changes and hair loss, which improve with treatment.
2 citations
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February 2016 in “Vestnik dermatologii i venerologii” The comprehensive treatment with biomimetic peptide lotion was effective for hair loss.
April 2025 in “Düzce Tıp Fakültesi Dergisi” Vitamin D deficiency is common in children with non-scarring alopecia, and managing it may help treatment.
Most students know the causes of hair loss, but many wrongly think heredity isn't one.