Sodium: UK dietary reference values levels10
| Group | Reference nutrient intake levels, amount of sodium (g/day) | Tolerable upper intake levels, amount of sodium (g/day) |
| <1 year old | 0.3 | N/A |
| 1–3 years old | 0.5 | 0.8 |
| 4–6 years old | 0.7 | 1.2 |
| 7–10 years old | 1.2 | 2.0 |
| >10 years old, pregnancy | 1.6 | 2.5 |