Salt is essential to life and also to good health. The recommendation is that we consume a minimum of 500 mg/day of sodium to maintain good health. Salt and Good Health.
The maximum is 2300mg/day of sodium.
It is recommended that people over the age of one year eat between 1000-1500 mg sodium per day which is the Adequate Intake (AI) and people aged 14 and over should not eat more than 2300 mg sodium per day. This is referred to the Tolerable Upper Intake Level (UL). A sodium intake above 2300 mg per day is likely to pose a health risk. Health Canada