Low vitamin D3 and ferritin levels may cause hair loss in pregnant women.
January 2022 in “Clinical Cases in Dermatology” Hypothyroidism can cause hair loss, which is often reversible with treatment.
382 citations
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February 2010 in “Archives of Internal Medicine” A manufacturing error in a dietary supplement caused severe selenium poisoning, affecting many people and highlighting the need for stricter quality control.
378 citations
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February 2020 in “Nature Reviews Endocrinology” 276 citations
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April 2003 in “Molecular endocrinology” Vitamin D is important for bones, hair, blood pressure, and breast development.
54 citations
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June 2018 in “Nutrients” Early diagnosis and a strict gluten-free diet are crucial for children with celiac disease to improve symptoms.
7 citations
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October 2020 in “Dermatology practical & conceptual” Some skin, hair, and nail supplements can be toxic, interact with medications, affect lab tests, and may increase cancer risk.
5 citations
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July 2019 in “Nutrients” Low selenium intake may delay puberty in boys but not in girls.
5 citations
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May 2018 in “Therapeutic advances in drug safety” Androgen use may increase the risk of stroke, but more research is needed.
4 citations
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December 2022 in “International Journal of Molecular Sciences” Zinc is crucial for skin health and treating various skin disorders.
2 citations
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September 2025 in “Frontiers in Nutrition” Aloe vera is effective for healing, skin, and health due to its beneficial compounds.
2 citations
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January 2022 in “Springer eBooks” 1 citations
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November 2022 in “Molecules/Molecules online/Molecules annual” Some calcium supplements have more calcium than their labels say, and a few have less.
January 2026 in “Archives of Current Medical Research” Telogen effluvium is the most common hair loss in women, often linked to low iron, while tight hairstyles and headscarves increase traction alopecia risk.
December 2025 in “International Journal of Molecular Sciences” Centella asiatica extract taken orally can reduce skin aging from UVB exposure.
December 2024 in “Ukrainian Journal of Dermatology Venerology Cosmetology” "Alpenta" effectively reduces hair loss and improves hair growth in women with telogen effluvium.
January 2023 in “Dermatologic Therapy” The nutritional supplement Pilopeptan® WOMAN improved hair growth and thickness in women with hair loss.
July 2022 in “Journal of Dermatology and Dermatologic Surgery” People with chronic hair loss often have lower Vitamin B12 levels.
April 2022 in “JAAD International” Women with frontal fibrosing alopecia have similar vitamin D levels to those with other hair loss types, suggesting vitamin D is not a key factor in this condition.
January 2021 in “Turkiye Klinikleri Journal of Dermatology” Many young men with hair loss have low levels of vitamin D and B12.
4 citations
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March 2023 in “Molecules/Molecules online/Molecules annual” Gallic acid and ferulic acid can be sustainably extracted for hair supplements with high efficiency and stability.
49 citations
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October 2022 in “PubMed” Hair loss is influenced by genetics, diet, and lifestyle, but more research is needed on nutrition's role.
2 citations
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June 2023 in “Journal of the American Academy of Dermatology” Hair, skin, and nails supplement use nearly doubled from 2011 to 2020, with higher usage among young adults, females, and certain ethnic groups.
1 citations
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January 2025 in “Neuropsychopharmacology Reports” Higher sugar and maltose intake is linked to autism, while total carbohydrates, fructose, and lactose are linked to lower autism rates.
1 citations
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December 2019 in “World rabbit science” High doses of cobalt stopped hair growth in rabbits.
1 citations
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March 2017 in “Roczniki Naukowe Polskiego Towarzystwa Zootechnicznego” Domestic cat hair varies in thickness and length, with guard hairs being longest and thickest, and all hair types mainly contain keratin.
The combination therapy improved hair growth and thickness in people with androgenetic alopecia.
June 2025 in “Naunyn-Schmiedeberg s Archives of Pharmacology” Herbal remedies may help with hair loss but need more research.
Many people in Saudi Arabia use vitamin D supplements, but few experience toxicity, showing the need for professional guidance when taking these supplements.