acceptable daily intake
nounMedical Definition of acceptable daily intake
: an estimate of the amount of a substance (such as a food additive) that can be safely consumed on a daily basis over a person's lifetime without posing a health risk
The acceptable daily intake of aspartame is 50 milligrams per kilogram of body weight in the United States …— Susanne Rust, The Milwaukee Journal Sentinel, 20 June 2007
—abbreviation ADI