Table 2.

Established AI levels of biotin per the Food and Nutrition Board of the Institute of Medicine [1]

Life stage	Age	Males, μg/day	Females, μg/day
Infants	0 – 6 months	5	5
Infants	7 – 12 months	6	6
Children	1 –3 years	8	8
Children	4 – 8 years	12	12
Children	9 – 13 years	20	20
Adolescents	14 – 18 years	25	25
Adults	≥19 years	30	30
Pregnancy	all ages	n/a	30
Breast-feeding	all ages	n/a	35