Recommendations for Biotin (mcg/day)Life StageAgeRDA for menUL for menRDA for womenUL for womenInfants0-6 months5-5-Infants6-12 months6-6-Children1-3 years8-8-Children4-8 years12-12-Children9-13 years20-20-Adolescents14-18 years25-25-Adults19-50 years30-30-Adults51-70...