1 citations,
February 2022 in “Journal of the American Academy of Dermatology” Taking biotin supplements can be risky and often lacks evidence of effectiveness for skin, hair, and nail issues.
Taking too much biotin can mess up blood test results, which might lead to wrong diagnoses and treatments.
January 2023 in “International journal of medical science and health research” Anovulatory PCOS patients are younger with longer cycles and higher blood pressure and hormone levels.
11 citations,
June 2011 in “Expert Review of Dermatology” Skin reactions to drugs are common and can be deadly, usually requiring stopping the drug and may be better prevented with genetic testing in the future.
13 citations,
January 2019 in “Journal of the American Academy of Dermatology” Most people using biotin don't see skin improvements, and it may affect lab tests, so doctors shouldn't suggest it without confirming a deficiency.