54 citations
,
April 2007 in “Gastroentérologie clinique et biologique” Bariatric surgery can worsen nutritional deficiencies, requiring careful monitoring and supplementation.
January 2025 in “International Journal of Trichology” Telogen effluvium is common after symptomatic COVID-19, especially in young females, and may be linked to nutritional deficiencies.
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.
15 citations
,
November 2009 in “Journal of diabetes and its complications” Patients with Type 1 diabetes should be screened for pernicious anemia.
December 2025 in “International Journal of Innovative Technologies in Social Science” Oral supplements like Vitamin E and Omega-3 can help reduce isotretinoin side effects.
8 citations
,
September 2021 in “Journal of Cosmetic Dermatology” Some diets and supplements might help with skin disorders, but their effectiveness varies and more research is needed.
7 citations
,
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.
April 2025 in “Düzce Tıp Fakültesi Dergisi” Vitamin D deficiency is common in children with non-scarring alopecia, and managing it may help treatment.
November 2023 in “Journal of Cosmetic Dermatology” People with non-scarring hair loss often have lower vitamin D levels than those without hair loss.
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.
May 2014 in “Hair transplant forum international” Scalp tools, tracking progress, targeting scalp inflammation, and avoiding certain hair treatments can improve female hair loss treatment.
June 2025 in “Academic Medical Journal” High homocysteine levels in lupus may increase inflammation and cardiovascular risk.
1 citations
,
February 2026 in “Clinics in Dermatology” Vitamins help hair mainly if you have a deficiency; too much can cause hair loss.
January 2026 in “Updates in clinical dermatology” Proper nutrition and alternative therapies can help manage hair loss.
February 2024 in “Medicina-lithuania” Obesity and bariatric surgery can cause hair thinning and temporary hair loss due to nutritional deficiencies and stress.
8 citations
,
September 2019 in “Eating and Weight Disorders - Studies on Anorexia, Bulimia and Obesity” A woman with anorexia nervosa improved after treatment for pellagra, reminding doctors to check for this deficiency in patients with eating disorders.
7 citations
,
July 2021 in “Molecules/Molecules online/Molecules annual” The method can measure vitamin B3 levels in human hair accurately.
January 2023 in “Pakistan Armed Forces Medical Journal” People with vitiligo tend to have lower vitamin D levels.
1 citations
,
June 2019 in “Current developments in nutrition” A patient with Ehlers-Danlos Syndrome improved after treatment for fat malabsorption and essential fatty acid deficiency.
5 citations
,
July 2018 in “Pediatrics” A 3-year-old girl developed scurvy symptoms that improved with vitamin C but relapsed when supplementation stopped.
January 2012 in “Vitamins & trace elements” Smoking and drinking can lower vitamin levels and potentially trigger early hair loss, but overall vitamin levels don't seem to affect hair loss duration.
4 citations
,
December 2020 in “Current sports medicine reports” Athletes usually get enough vitamins and minerals from a healthy diet, and supplements are only needed for those with actual deficiencies.
7 citations
,
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.
74 citations
,
July 1979 in “Lancet” Biotin treatment can significantly improve hair loss and motor functions in certain metabolic disorders.
31 citations
,
July 2023 in “Nutrients” Vitamin D may help reduce thyroid antibodies and improve thyroid function in Hashimoto's Thyroiditis.
10 citations
,
July 2018 in “Our Dermatology Online” Some vitamins and minerals are important for preventing hair loss, but treating hair loss with them without a known deficiency is not proven effective.
5 citations
,
May 2023 in “Frontiers in immunology” Environmental factors like diet and vitamin levels, especially Vitamin D, can affect autoimmune diseases differently, with lifestyle changes potentially improving outcomes.
3 citations
,
May 2018 in “Journal of nutritional health & food science” Nutritional supplements can help manage hair loss and promote hair growth by strengthening hair roots and countering harmful effects of pollution, smoking, and deficiencies in vitamins and minerals.
1 citations
,
January 2010 in “Springer eBooks” Certain micronutrients may improve hair and nail health, but more research is needed to confirm their benefits.
June 2025 in “Public Health of Indonesia” Low levels of zinc, calcium, vitamin D, and ferritin may be linked to hair loss in women.