A Karger review found 18 reported cases of biotin use for hair and nail problems, all showing improvement though all patients had an identified underlying condition
Proc Natl Acad Sci U S A, 2022
Its antioxidant power promotes healthy aging, protects the skin, reduces hyperpigmentation, and improves general health
Seek urgent same-day assessment or call 999 for emergency care if experiencing: Severe chest pain Severe shortness of breath Fainting or collapse Acute or rapidly worsening neurological deficits (such as new limb weakness, sudden gait disturbance, or bladder/bowel dysfunction) Persistent or worsening anaemia symptoms despite treatmentincluding breathlessness, chest discomfort, palpitations, or extreme fatigueshould trigger medical review
Neural Regen Res 15:12201234
The practical result appears to be improved circulation to injured areas and enhanced cellular coordination during the repair process