Biotin (B7)
B-complex vitamin important for hair, skin and nail health. Cofactor in fat, carbohydrate and protein metabolism.
What is it for?
💡 Absorption: Deficiency is rare. Supplementation only benefits if there is actual deficiency.
⚠️ Caution: High doses may interfere with lab tests (thyroid, troponin).
Recommended doses
Range: 2500 – 10000 mcg
Real benefit only if deficiency exists. Inform doctor before lab tests
Range: 30 – 1000 mcg
RDA: 30mcg. High doses unnecessary without deficiency
📚 Scientific references (3)▼
ECA doble ciego sobre biotina derivada de Sesbania grandiflora con sílice de Bambusa arundinacea evaluando beneficios para cabello, piel y uñas. Publicado en julio 2025.
Revisión crítica de la evidencia clínica sobre biotina y pérdida de cabello. La suplementación es más efectiva en deficiencias de biotinidasa, holocarboxilasa y ciertas condiciones específicas.
Revision sistematica. Evidencia insuficiente para beneficio en cabello sin deficiencia documentada. Solo util si hay deficiencia real.
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