Does Biotin Really Work for Hair Loss? Derm Exposes The Truth!

Biotin is one of the most purchased supplements in the world for hair loss, and one of the least supported by evidence for most people taking it. In this video, I'm breaking down what biotin actually does, who it genuinely helps, and a real patient safety concern that almost nobody talks about. SHOP THE PRODUCTS: Nutrafol | Hair Growth Supplement (mentioned 8:14): https://go.shopmy.us/p-75129337 Viviscal Pro | Hair Growth Supplement (mentioned 8:14): https://go.shopmy.us/p-75129497 Shop the Whole List: https://shopmy.us/collections/6670211 Watch my full video on female hair loss treatment (minoxidil, spironolactone, ketoconazole, PRP + more): https://youtu.be/eCj2ubQdNr0?si=NNhxmdaX6SzmRMBe In this video, I cover: What biotin actually is and its real, limited role in keratin synthesis Why true biotin deficiency is rare, and who's actually at risk (biotinidase deficiency, long-term antibiotics, anti-seizure meds, isotretinoin, pregnancy, restrictive diets) The tiered evidence breakdown: who biotin genuinely helps vs. who's just being marketed to The serious, underappreciated lab interference risk (thyroid tests, troponin, hormone assays) and what the FDA has said about it Why biotin can trigger acne in some people What actually works for hair loss, and the labs and evaluation to ask for instead This video is for educational purposes and isn't a substitute for personalized medical advice. If you take biotin supplements and have upcoming blood work, especially thyroid func