What is the FDA Daily Value for Thiamin?

The FDA Daily Value for Thiamin is 1.2 mg for adults and children 4 years and older, per 21 CFR 101.9. On a Nutrition Facts label, a serving's %DV for thiamin is its amount divided by 1.2 mg, times 100.

Thiamin — FDA Daily Value

The FDA Daily Value for Thiamin is 1.2 mg 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+

1.2 mg

0.06 mg

0.24 mg

Children 1–3 years

0.5 mg

0.03 mg

0.1 mg

Pregnant & lactating

1.4 mg

0.07 mg

0.28 mg

Infants 0–12 months

0.3 mg

0.02 mg

0.06 mg

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 0 mg of thiamin provides 0 ÷ 1.2 × 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