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TABLE F-5 Adequate Intake (AI) for Biotin

Life Stage Group

AI (μg/d)

Basis for AI

0–6 mo

5

Human milk content

7–12 mo

6

Extrapolation from AI for 0–6 moa

1–3 y

8

Extrapolation from AI for 0–6 mob

4–8 y

12

Extrapolation from AI for 0–6 mob

9–13 y

20

Extrapolation from AI for 0–6 mob

14–18 y

25

Extrapolation from AI for 0–6 mob

Adults, all ages

30

Extrapolation from AI for 0–6 moc

Pregnancy, all ages

30

Extrapolation from AI for 0–6 mo

Lactation, all ages

35

Extrapolation from AI for 0–6 mo + amount of biotin secreted into milk

a To extrapolate from the AI for infants ages 0–6 months to an AI for infants ages 7–12 months, the following formula is used: AI7–12mo = AI0–6mo (F), where F = (Weight7–12mo/ Weight0–6mo)0.75.

b To extrapolate from the AI for infants ages 0-6 months to an AI for children and adolescents 1-18 years, the following formula is used: AIchild = AI0-6mo (F), where F = (Weightchild/Weight0-6mo)0.75.

c To extrapolate from the AI for infants ages 0-6 months to an AI for adults, the following formula is used: AIadult = AI0-6mo (F), where F = (Weightadult/Weight0-6mo)0.75.



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