79 citations
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January 2017 in “Dermatology practical & conceptual” Correcting nutrient deficiencies may help with hair loss, but the benefits of supplements without a deficiency are uncertain and could be harmful.
18 citations
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September 2011 in “Livestock science” Maternal Nano-Se supplements improve fetal hair follicle development in cashmere goats.
23 citations
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October 2009 in “Gastroenterology” Vitamin D is crucial for bone health and preventing serious diseases.
27 citations
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October 1945 in “Endocrinology” Synthetic hormone treatment reduces melanin and hair growth in rats.
April 2015 in “Journal of Nutritional Therapeutics” Looser dietary restrictions can improve growth and reduce illness in methylmalonic acidemia patients.
12 citations
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July 1979 in “International Journal of Dermatology” A patient with zinc depletion improved after zinc supplementation during parenteral nutrition.
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July 2015 in “Journal of inherited metabolic disease” Methionine restriction works better than betaine for treating CBS deficiency symptoms in mice.
October 2017 in “The American journal of gastroenterology” Three patients suffered severe health issues due to not getting enough vitamins and minerals after weight-loss surgery.
9 citations
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September 2019 in “Journal of clinical sleep medicine” Vitamin B12 deficiency can rarely cause excessive daytime sleepiness.
August 2025 in “Quality in Sport” Vitamin A is essential but too much can be harmful, especially from supplements.
78 citations
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December 2011 in “Clinical toxicology” Excessive selenium from a supplement caused toxicity but patients recovered with care.
Many people in Saudi Arabia use vitamin D supplements, but few experience toxicity, showing the need for professional guidance when taking these supplements.
1 citations
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July 2022 in “Clinical and Experimental Dermatology” Amino acid supplements may not be necessary for all women with chronic hair loss.
47 citations
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November 2010 in “Vox Sanguinis” Iron supplements helped female blood donors with low iron avoid anaemia and return to donate again.
31 citations
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February 1983 in “American Journal of Clinical Nutrition” Biotin deficiency can cause hair loss in adults on long-term TPN, but supplementation helps regrow hair.
2 citations
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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.
April 2024 in “International Journal of Chemical and Biochemical Sciences” Most young people in Saudi Arabia use cosmetic nutritional supplements for nutrient deficiencies and appearance, but more education on proper use is needed.
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March 2020 in “JAAD Case Reports” Vitamin B12 deficiency can cause darkening of all nails.
246 citations
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April 1976 in “Annals of Surgery” Zinc is crucial in nutrition, and its deficiency can cause health issues like diarrhea and hair loss, which improve with zinc therapy.
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June 2009 in “Integrated Environmental Assessment and Management” Selenium is essential in small amounts but toxic in excess, requiring careful management.
April 2019 in “Journal of the Endocrine Society” An over-the-counter vitamin/mineral supplement improved hair loss and blood sugar control in a woman with non-classic 11-hydroxylase deficiency.
26 citations
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February 1978 in “Journal of Pediatric Surgery” Long-term TPN in children can cause zinc deficiency, leading to health issues.
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February 1986 in “PubMed” Injecting newborn mice with a niacin blocker caused skin, gut, and brain damage similar to human pellagra.
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March 2007 in “The Veterinary clinics of North America. Food animal practice” Proper mineral supplementation in cow-calf operations prevents health issues and economic losses.
August 2022 in “Clinical and Experimental Dermatology” Amino acid supplements may not be necessary for all women with chronic hair loss.
21 citations
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June 1991 in “Journal of Inherited Metabolic Disease” Selenium deficiency caused symptoms in a child, which improved with selenium supplements.
September 2023 in “Food and chemical toxicology” High doses of some selenium supplements caused liver and reproductive harm in rats.
Taking supplements after sleeve gastrectomy surgery can reduce hair loss by addressing nutritional deficiencies.
January 2015 in “Przegla̧d dermatologiczny” 308 nm excimer light therapy may help hair regrowth in alopecia areata with delayed results and no serious side effects.
1 citations
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January 2018 in “Molecular and integrative toxicology” Getting the right amount of selenium is important for health; too little can cause disease, and too much can lead to toxicity.