17 citations
,
September 2000 in “Journal of dermatology” A baby with a rare metabolic disorder developed a rash not cured by zinc alone, likely due to both zinc and amino acid deficiencies.
12 citations
,
January 1987 in “Ophthalmic Paediatrics and Genetics” Early diagnosis and treatment of biotinidase deficiency are crucial to prevent vision problems.
9 citations
,
May 2001 in “Journal of the American Veterinary Medical Association” A cat's hyperactivity and hair loss were caused by eating valproic acid but improved after stopping access to the drug.
November 2022 in “Gene Cell and Tissue” Zinc deficiency might affect vitamin B12 levels.
28 citations
,
April 2017 in “Journal of cosmetic dermatology” Low vitamin D can worsen pediatric alopecia areata.
Calcium and magnesium levels in hair decrease after taking supplements, indicating early metabolic changes in perimenopausal women.
1 citations
,
September 2002 in “European Journal of Endocrinology” Triple H syndrome exists and can vary in symptoms.
14 citations
,
January 2020 in “Dermatology Online Journal” Some dietary supplements, like vitamins B6/B12, iodine, whey protein, and muscle-building products, can cause or worsen acne.
6 citations
,
February 2021 in “Frontiers in Cell and Developmental Biology” Eating too much or too little vitamin A can cause hair loss.
6 citations
,
March 2023 in “Journal of Cosmetic Dermatology” Low levels of BDNF and vitamin D are linked to higher depression in alopecia areata and vitiligo patients.
January 2019 in “Menoufia Medical Journal” Lower vitamin D levels may contribute to female hair loss.
1 citations
,
January 2018 in “Journal of clinical & experimental dermatology research” The study found no link between vitamin D deficiency and psoriasis but suggests more research is needed.
January 1954 in “DMW - Deutsche Medizinische Wochenschrift” 48 citations
,
April 2018 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” People with alopecia areata often have lower vitamin D levels and are more likely to be deficient in it.
August 2018 in “Journal of The American Academy of Dermatology” People with telogen effluvium and scalp discomfort might have low vitamin B12 and could benefit from B12 supplements.
13 citations
,
April 2019 in “Actas Dermo-Sifiliográficas” Vitamin D is important for skin health, but more research is needed to understand its full effects and treatment potential.
31 citations
,
July 2023 in “Nutrients” Vitamin D may help reduce thyroid antibodies and improve thyroid function in Hashimoto's Thyroiditis.
8 citations
,
September 1981 in “Zentralblatt für Veterinärmedizin Reihe A” Biotin deficiency in pigs causes hair loss, skin issues, and weak claws.
May 2025 in “International Journal of Trichology” The supplement improved hair health and reduced shedding in people with telogen effluvium.
June 2024 in “jurnal ABDIMAS Indonesia” Vitamin D education and supplementation improve hair health in the elderly.
January 2026 in “Nutrients” Low vitamin D may increase autoimmune thyroid disease risk, but its treatment effects are unclear.
20 citations
,
July 2017 in “Scientific Reports” A single amino acid change in the vitamin D receptor can disrupt its function and lead to hair loss.
1 citations
,
March 1982 in “American pharmacy” The Beverly Hills Diet is unhealthy and can cause serious health issues; pharmacists should advise against it and asthmatics should avoid nonprescription antihistamines.
73 citations
,
May 1976 in “JAMA” Long-term parenteral nutrition without zinc can cause severe zinc deficiency.
37 citations
,
June 2018 in “Clinical and Experimental Medicine” People with alopecia areata often have lower vitamin D levels and more inflammation, suggesting vitamin D might be involved in the condition.
4 citations
,
January 1994 in “Yakugaku zasshi” EPC-K is stable except at very acidic pH or when exposed to sunlight, and it can decompose in low ethanol concentrations.
January 2010 in “Life Science Alliance” Vitamin D receptor is essential for preventing hair loss by regulating hair cycle stages.
16 citations
,
August 2002 in “Journal of Interferon and Cytokine Research” A man developed excessive hair growth after treatment with interferon-alpha and ribavirin for hepatitis C.
271 citations
,
September 2008 in “Nutrition reviews” Vitamin D receptor interacts with certain dietary components to help prevent diseases and regulate hair growth.