What is the FDA Daily Value for Phosphorus?

The FDA Daily Value for Phosphorus is 1,250 mg for adults and children 4 years and older, per 21 CFR 101.9. On a Nutrition Facts label, a serving's %DV for phosphorus is its amount divided by 1,250 mg, times 100.

Phosphorus — FDA Daily Value

The FDA Daily Value for Phosphorus is 1,250 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+

1,250 mg

62.5 mg

250 mg

Children 1–3 years

460 mg

23 mg

92 mg

Pregnant & lactating

1,250 mg

62.5 mg

250 mg

Infants 0–12 months

275 mg

13.75 mg

55 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 375 mg of phosphorus provides 375 ÷ 1,250 × 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