Biotin (B7) is a water‑soluble vitamin needed for energy metabolism and healthy hair, skin, and nails. Mild deficiency is rare but can occur with long‑term anticonvulsant use, prolonged raw egg‑white intake, or malabsorption. Symptoms: hair thinning/loss, brittle nails, dry scaly skin (around eyes, nose, mouth), fatigue, and tingling in hands/feet.
Biotin (B7) is a water‑soluble vitamin needed for energy metabolism and healthy hair, skin, and nails. Mild deficiency is rare but can occur with long‑term anticonvulsant use, prolonged raw egg‑white intake, or malabsorption. Symptoms: hair thinning/loss, brittle nails, dry scaly skin (around eyes, nose, mouth), fatigue, and tingling in hands/feet.