What is the FDA Daily Value for Biotin?

The FDA Daily Value for Biotin is 30 mcg for adults and children 4 years and older, per 21 CFR 101.9. On a Nutrition Facts label, a serving's %DV for biotin is its amount divided by 30 mcg, times 100.

Biotin — FDA Daily Value

The FDA Daily Value for Biotin is 30 mcg for adults and children 4 or more years of age — a Reference Daily Intake (RDI), a fixed target not tied to calories. It changes by population group; see the exact numbers below.

Population group

Daily Value

5% DV

20% DV

Adults & children 4+

30 mcg

1.5 mcg

6 mcg

Children 1–3 years

8 mcg

0.4 mcg

1.6 mcg

Pregnant & lactating

35 mcg

1.75 mcg

7 mcg

Infants 0–12 months

6 mcg

0.3 mcg

1.2 mcg

Source: the FDA Daily Values in 21 CFR 101.9 and the FDA's Nutrition Facts label guidance. Cross-check nutrient amounts against USDA FoodData Central.

Example

A serving with 9 mcg of biotin provides 9 ÷ 30 × 100 = 30% DV (High).

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For informational purposes only; verify against § 101.9(c)(8)(iv). · US Nutrition Label Rules v1.3.0 · CFR snapshot 2026-02-12