Dietary Reference Intakes: Phosphorus

Source: IOM 1997 Dietary Reference Intakes for Phosphorus Unit: mg/day

Population RDA
Adult 19-70 700 mg/day

Tolerable Upper Intake Level (UL)

Population UL
Adult 19-70 4000 mg/day
Adult 71+ 3000 mg/day

⚠️ Do not exceed the UL without medical supervision.

Disclaimer

These values are from the National Academy of Medicine (formerly Institute of Medicine) Dietary Reference Intake reports. Individual needs may vary. Consult a healthcare provider.