Daily Fluoride Intake with optimal fluoridation
as reported by McClure during the 1940s
Age1-34-67-910-1219-70
Fluoride Intake
mg/kg/day
0.050.040.040.030.02
Total Intake
mg/day
.417 - .825.556 - 1.105.695 - 1.380.866 - 1.7251.0 - 1.5
McClure, Frank J., Ingestion of fluoride and dental caries - quantitative relations based on food and water requiremen! ts of children 1 to 12 years old, American Journal Diseases of Children, 66:362, 1943.

Current Recommended Adequate Intake of Fluoride
NRC Institute of Medicine misrepresents McClure's dosage figures
Age1-34-67-910-1219-70
Fluoride Intake
mg/kg/day
0.050.050.050.050.05
Total Intake
mg/day
.4 - .8.65 - 1.2.8 - 1.751.25 - 2.73.05 - 3.8
Di! etary Reference Intakes for Calcium, Phosphorus, Magnesium, Vitamin D, and Fluoride, Food and Nutrition Board, Institute of Medicine, National Research Council, National Academy of Sciences 1999.