December 2023 in “Aesthetic Cosmetology and Medicine” COVID-19 can cause hair loss, but specialists can help treat it.
Acne is linked to vitamin B12 deficiency.
February 2022 in “Journal of Armed Forces Medical College” The patient with autoimmune hypothyroidism improved after treatment for thyroid and associated conditions.
December 2021 in “Dermatology research” Low levels of vitamin B12, ferritin, and calcium are linked to premature graying of hair.
December 2019 in “Pubvet” The document concludes that atopic dermatitis in dogs is managed with various treatments including antipruritics, supplements, and possibly immunotherapy.
April 2017 in “InTech eBooks” Many people with hair loss experience scalp pain known as trichodynia, but the causes are unclear and treatments vary.
January 2011 in “Springer eBooks” Eating a balanced diet with the right vitamins and minerals is important for healthy hair, but too many supplements can be harmful.
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.
11 citations
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June 2020 in “Russian Open Medical Journal” Lower ferritin and serum iron levels may be linked to melasma.
May 2025 in “Journal of Food and Nutrition Research” Black wolfberry ferment may help regrow hair in cases of androgenetic alopecia.
6 citations
,
September 2022 in “Frontiers in pharmacology” Epimedium extract helps increase skin pigmentation and could be a new treatment for conditions with reduced pigmentation.
July 2025 in “Cosmoderma” The plant-based supplement improved hair, skin, and nail health and boosted well-being without side effects.
Fad diets and supplements from social media can cause skin and hair problems.
March 2024 in “Animal nutrition” Adding both soluble and insoluble fibers, especially beet pulp, to the diet of pregnant sows helps improve their health and the growth of their piglets in hot weather.
October 2007 in “European Neuropsychopharmacology”
March 2026 in “Brazilian Journal of Microbiology” Restoring skin bacteria may help reduce hair loss.
7 citations
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March 2023 in “Frontiers in Veterinary Science” Camelina oil can improve dog coat quality like flaxseed and canola oils.
126 citations
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November 1987 in “The Journal of Pediatrics” Selenium deficiency can cause skin and hair color loss, muscle weakness, and blood cell changes, but these improve with selenium supplements.
7 citations
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February 2017 in “The American journal of medicine” People often have iron deficiency after weight-loss surgery, which can cause symptoms like hair loss and dizziness, and iron levels should be tested to diagnose it.
4 citations
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January 2016 in “Annals of dermatology/Annals of Dermatology” Iron supplements can restore normal hair color in cases of premature graying linked to iron deficiency.
August 2024 in “Journal of Cosmetic Dermatology” Telogen effluvium is linked to deficiencies in iron, vitamin B12, and thyroid function.
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.
2 citations
,
August 2004 Early diagnosis and proper treatment improve outcomes for methylmalonic acidemia.
54 citations
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April 2007 in “Gastroentérologie clinique et biologique” Bariatric surgery can worsen nutritional deficiencies, requiring careful monitoring and supplementation.
57 citations
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February 2018 in “Journal of the American Academy of Dermatology” Biotin supplements are not proven to improve hair or nails and may interfere with medical tests.
35 citations
,
January 2024 in “BioMolecular Concepts” Lifestyle changes, exercise, and antioxidants can help manage polycystic ovary syndrome.
26 citations
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December 2020 in “International Journal of Molecular Sciences” Treatments for PCOS aim to reduce androgen levels and improve insulin sensitivity to lower cardiometabolic risk.
25 citations
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January 2017 in “International Journal of Trichology” Most Indian people with hair loss in the study lacked nutrients, especially iron.
13 citations
,
July 2018 in “Obesity surgery” Over half of patients had hair loss after weight-loss surgery, especially women, linked to low zinc and vitamin B12 levels.
5 citations
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March 2021 in “International Journal of Dermatology” Biotin supplementation during isotretinoin treatment for acne may help maintain skin hydration and improve hair growth.