Individuals with symptoms of biotin deficiency, such as:
- Hair thinning or loss
- Skin rashes (especially around the mouth, eyes, or nose)
- Brittle nails
- Fatigue
- Depression or neurological symptoms (numbness, tingling, seizures)
Pregnant or breastfeeding women, as their biotin requirements increase
People on long-term anticonvulsant therapy or antibiotics, which may interfere with biotin absorption
Those with certain genetic disorders affecting biotin metabolism
Individuals consuming excessive raw egg whites, which contain avidin, a protein that inhibits biotin absorption.