15 citations
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May 2011 in “Veterinary Dermatology” Vitamin A might be a safe extra treatment for dogs with sebaceous adenitis, but more research is needed to prove its effectiveness.
13 citations
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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.
7 citations
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May 2012 in “Journal of veterinary diagnostic investigation” Some young Angus cattle had skin problems due to not enough vitamin A, which got better after they were given more vitamin A.
September 2025 in “SKIN The Journal of Cutaneous Medicine” Isotretinoin can cause hair loss, and reducing the dose or using supplements like vitamin D and iron may help.
63 citations
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May 2017 in “American Journal of Clinical Dermatology” People with alopecia areata often have lower levels of vitamin D, zinc, and folate, but more research is needed to understand if supplements can help treat it.