April 2015 in “Journal of Nutritional Therapeutics” Looser dietary restrictions can improve growth and reduce illness in methylmalonic acidemia patients.
January 2024 in “Journal of advanced research in Medical and Health science” People with severe and long-lasting alopecia areata often have low vitamin D levels, and treatments with vitamin D-like substances might help.
May 2020 in “Current developments in nutrition” Vitamin A affects the resting phase of hair growth, with both low and high levels increasing the number of hair follicles in this phase.
29 citations
,
July 1996 in “Acta Paediatrica” Biotin should be added to Japanese amino acid formula to prevent deficiency.
105 citations
,
March 2014 in “British journal of dermatology/British journal of dermatology, Supplement” Alopecia areata patients often have low vitamin D levels, suggesting they might benefit from vitamin D supplements.
2 citations
,
October 1951 in “Journal of gerontology” Patients with hair pigment loss and hair loss may have altered pantothenic acid metabolism.
9 citations
,
September 2018 in “Journal of Photochemistry and Photobiology B-biology” A hair-growth formula with cystine and thiamin helps protect skin cells against UV damage and improves their growth.
April 2020 in “Journal of the Endocrine Society” An 87-year-old man showed unusual signs of Hodgkin lymphoma, primarily high calcium levels, which improved after treatment and revealed the disease.
1 citations
,
August 2018 in “Journal of the American Academy of Dermatology” Children with autoimmune hair loss have similar vitamin D levels to healthy kids, suggesting no extra screening is needed.
1 citations
,
July 2012 in “EFSA Journal” The combination of certain vitamins and pumpkin seed oil has not been proven to maintain normal hair.
27 citations
,
July 1946 in “The journal of nutrition/The Journal of nutrition” Biotin and inositol are crucial for pig health and growth.
November 2025 in “JDDG Journal der Deutschen Dermatologischen Gesellschaft” Restoring phenylalanine levels improved skin and hair symptoms in a PKU infant.
2 citations
,
March 2020 in “JAAD case reports” A leukemia patient showed skin peeling similar to kwashiorkor, a severe protein deficiency.
May 2024 in “International Journal of Advanced Academic Studies” Vitamin E helps reduce PCOS symptoms and improves hormonal balance.
November 2024 in “Journal of Medical and Life Science” Vitamin D and Zinc deficiencies can cause various symptoms, but supplements and lifestyle changes can improve them.
37 citations
,
August 2015 in “The Journal of Steroid Biochemistry and Molecular Biology” The vitamin D receptor can regulate genes and affect hair and hormone levels without its usual activator.
Vitamin D is made by the skin, helps control various body functions, and affects skin health and immunity.
15 citations
,
March 1996 in “PubMed” Anorexia nervosa may cause a hair defect called pili torti due to malnutrition and high vitamin A levels.
2 citations
,
April 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin D3 is important for hair growth and protecting skin from damage caused by long-term sun exposure.
January 2026 in “JCEM Case Reports” A woman with hypothyroidism developed an allergy to IV levothyroxine after being resistant to oral forms.
October 2008 in “Trace Elements and Electrolytes” Tailored supplementation of calcium, magnesium, and vitamin D based on hair analysis may improve bone health.
13 citations
,
February 2016 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Mice without active or present vitamin D receptors maintain normal blood sugar control and islet gene expression when calcium levels are normal.
March 2023 in “JIIS (Jurnal Ilmiah Ibnu Sina): ilmu farmasi dan kesehatan” The best biotin hair tonic formula has 20% span 80, 9.47% tween 80, and 5% PEG 400.
45 citations
,
September 2012 in “The Journal of Steroid Biochemistry and Molecular Biology” Vitamin D3 and its receptor help protect skin from UVB-related cancer.
5 citations
,
May 2019 in “Cureus” Taking biotin supplements can cause incorrect thyroid test results, leading to wrong diagnoses.
3 citations
,
January 2021 in “Molecular genetics & genomic medicine” The study found two new mutations in a Chinese patient with severe biotinidase deficiency.
July 2009 in “DergiPark (Istanbul University)” Vitamin D is essential for healthy bones, muscles, hair, and immune function.
January 2012 in “Human health handbooks” The skin produces and uses vitamin D for bone health, cell growth, and immune function.
September 2024 in “Cosmoderma” Biotin doesn't help hair growth in healthy people and can cause health risks if overused.
14 citations
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January 2008 in “Dermatology” Vitamin D made by the skin plays a role in immune defense and skin health, and more research is needed to understand its full effects.